diff --git a/taiga/locale/en/LC_MESSAGES/django.po b/taiga/locale/en/LC_MESSAGES/django.po
index 4cde7d23..627ffe46 100644
--- a/taiga/locale/en/LC_MESSAGES/django.po
+++ b/taiga/locale/en/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: taiga-back\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-05-01 19:09+0200\n"
+"POT-Creation-Date: 2016-08-24 18:09+0200\n"
 "PO-Revision-Date: 2015-03-25 20:09+0100\n"
 "Last-Translator: Taiga Dev Team <support@taiga.io>\n"
 "Language-Team: Taiga Dev Team <support@taiga.io>\n"
@@ -16,339 +16,340 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: taiga/auth/api.py:100
+#: taiga/auth/api.py:102
 msgid "Public register is disabled."
 msgstr ""
 
-#: taiga/auth/api.py:133
+#: taiga/auth/api.py:135
 msgid "invalid register type"
 msgstr ""
 
-#: taiga/auth/api.py:146
+#: taiga/auth/api.py:148
 msgid "invalid login type"
 msgstr ""
 
-#: taiga/auth/serializers.py:35 taiga/users/serializers.py:64
+#: taiga/auth/services.py:76
+msgid "Username is already in use."
+msgstr ""
+
+#: taiga/auth/services.py:79
+msgid "Email is already in use."
+msgstr ""
+
+#: taiga/auth/services.py:95
+msgid "Token not matches any valid invitation."
+msgstr ""
+
+#: taiga/auth/services.py:123
+msgid "User is already registered."
+msgstr ""
+
+#: taiga/auth/services.py:147
+msgid "This user is already a member of the project."
+msgstr ""
+
+#: taiga/auth/services.py:173
+msgid "Error on creating new user."
+msgstr ""
+
+#: taiga/auth/tokens.py:49 taiga/auth/tokens.py:56
+#: taiga/external_apps/services.py:36 taiga/projects/api.py:364
+#: taiga/projects/api.py:385
+msgid "Invalid token"
+msgstr ""
+
+#: taiga/auth/validators.py:37 taiga/users/validators.py:44
 msgid "invalid username"
 msgstr ""
 
-#: taiga/auth/serializers.py:40 taiga/users/serializers.py:70
+#: taiga/auth/validators.py:42 taiga/users/validators.py:50
 msgid ""
 "Required. 255 characters or fewer. Letters, numbers and /./-/_ characters'"
 msgstr ""
 
-#: taiga/auth/services.py:75
-msgid "Username is already in use."
-msgstr ""
-
-#: taiga/auth/services.py:78
-msgid "Email is already in use."
-msgstr ""
-
-#: taiga/auth/services.py:94
-msgid "Token not matches any valid invitation."
-msgstr ""
-
-#: taiga/auth/services.py:122
-msgid "User is already registered."
-msgstr ""
-
-#: taiga/auth/services.py:146
-msgid "This user is already a member of the project."
-msgstr ""
-
-#: taiga/auth/services.py:172
-msgid "Error on creating new user."
-msgstr ""
-
-#: taiga/auth/tokens.py:48 taiga/auth/tokens.py:55
-#: taiga/external_apps/services.py:35 taiga/projects/api.py:376
-#: taiga/projects/api.py:397
-msgid "Invalid token"
-msgstr ""
-
-#: taiga/base/api/fields.py:292
+#: taiga/base/api/fields.py:294
 msgid "This field is required."
 msgstr ""
 
-#: taiga/base/api/fields.py:293 taiga/base/api/relations.py:335
+#: taiga/base/api/fields.py:295 taiga/base/api/relations.py:337
 msgid "Invalid value."
 msgstr ""
 
-#: taiga/base/api/fields.py:477
+#: taiga/base/api/fields.py:479
 #, python-format
 msgid "'%s' value must be either True or False."
 msgstr ""
 
-#: taiga/base/api/fields.py:541
+#: taiga/base/api/fields.py:543
 msgid ""
 "Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens."
 msgstr ""
 
-#: taiga/base/api/fields.py:556
+#: taiga/base/api/fields.py:558
 #, python-format
 msgid "Select a valid choice. %(value)s is not one of the available choices."
 msgstr ""
 
-#: taiga/base/api/fields.py:619
+#: taiga/base/api/fields.py:621
+msgid "You email domain is not allowed"
+msgstr ""
+
+#: taiga/base/api/fields.py:630
 msgid "Enter a valid email address."
 msgstr ""
 
-#: taiga/base/api/fields.py:661
+#: taiga/base/api/fields.py:672
 #, python-format
 msgid "Date has wrong format. Use one of these formats instead: %s"
 msgstr ""
 
-#: taiga/base/api/fields.py:725
+#: taiga/base/api/fields.py:736
 #, python-format
 msgid "Datetime has wrong format. Use one of these formats instead: %s"
 msgstr ""
 
-#: taiga/base/api/fields.py:795
+#: taiga/base/api/fields.py:806
 #, python-format
 msgid "Time has wrong format. Use one of these formats instead: %s"
 msgstr ""
 
-#: taiga/base/api/fields.py:852
+#: taiga/base/api/fields.py:863
 msgid "Enter a whole number."
 msgstr ""
 
-#: taiga/base/api/fields.py:853 taiga/base/api/fields.py:906
+#: taiga/base/api/fields.py:864 taiga/base/api/fields.py:917
 #, python-format
 msgid "Ensure this value is less than or equal to %(limit_value)s."
 msgstr ""
 
-#: taiga/base/api/fields.py:854 taiga/base/api/fields.py:907
+#: taiga/base/api/fields.py:865 taiga/base/api/fields.py:918
 #, python-format
 msgid "Ensure this value is greater than or equal to %(limit_value)s."
 msgstr ""
 
-#: taiga/base/api/fields.py:884
+#: taiga/base/api/fields.py:895
 #, python-format
 msgid "\"%s\" value must be a float."
 msgstr ""
 
-#: taiga/base/api/fields.py:905
+#: taiga/base/api/fields.py:916
 msgid "Enter a number."
 msgstr ""
 
-#: taiga/base/api/fields.py:908
+#: taiga/base/api/fields.py:919
 #, python-format
 msgid "Ensure that there are no more than %s digits in total."
 msgstr ""
 
-#: taiga/base/api/fields.py:909
+#: taiga/base/api/fields.py:920
 #, python-format
 msgid "Ensure that there are no more than %s decimal places."
 msgstr ""
 
-#: taiga/base/api/fields.py:910
+#: taiga/base/api/fields.py:921
 #, python-format
 msgid "Ensure that there are no more than %s digits before the decimal point."
 msgstr ""
 
-#: taiga/base/api/fields.py:977
+#: taiga/base/api/fields.py:988
 msgid "No file was submitted. Check the encoding type on the form."
 msgstr ""
 
-#: taiga/base/api/fields.py:978
+#: taiga/base/api/fields.py:989
 msgid "No file was submitted."
 msgstr ""
 
-#: taiga/base/api/fields.py:979
+#: taiga/base/api/fields.py:990
 msgid "The submitted file is empty."
 msgstr ""
 
-#: taiga/base/api/fields.py:980
+#: taiga/base/api/fields.py:991
 #, python-format
 msgid ""
 "Ensure this filename has at most %(max)d characters (it has %(length)d)."
 msgstr ""
 
-#: taiga/base/api/fields.py:981
+#: taiga/base/api/fields.py:992
 msgid "Please either submit a file or check the clear checkbox, not both."
 msgstr ""
 
-#: taiga/base/api/fields.py:1021
+#: taiga/base/api/fields.py:1032
 msgid ""
 "Upload a valid image. The file you uploaded was either not an image or a "
 "corrupted image."
 msgstr ""
 
-#: taiga/base/api/mixins.py:255 taiga/base/exceptions.py:209
-#: taiga/hooks/api.py:68 taiga/projects/api.py:642
-#: taiga/projects/issues/api.py:233 taiga/projects/mixins/ordering.py:58
-#: taiga/projects/tasks/api.py:152 taiga/projects/tasks/api.py:174
-#: taiga/projects/userstories/api.py:218 taiga/projects/userstories/api.py:238
-#: taiga/webhooks/api.py:68
+#: taiga/base/api/mixins.py:284 taiga/base/exceptions.py:211
+#: taiga/hooks/api.py:69 taiga/projects/api.py:396 taiga/projects/api.py:671
+#: taiga/projects/epics/api.py:212 taiga/projects/epics/api.py:288
+#: taiga/projects/issues/api.py:235 taiga/projects/mixins/ordering.py:59
+#: taiga/projects/tasks/api.py:258 taiga/projects/tasks/api.py:281
+#: taiga/projects/userstories/api.py:332 taiga/projects/userstories/api.py:381
+#: taiga/webhooks/api.py:71
 msgid "Blocked element"
 msgstr ""
 
-#: taiga/base/api/pagination.py:213
+#: taiga/base/api/pagination.py:214
 msgid "Page is not 'last', nor can it be converted to an int."
 msgstr ""
 
-#: taiga/base/api/pagination.py:217
+#: taiga/base/api/pagination.py:218
 #, python-format
 msgid "Invalid page (%(page_number)s): %(message)s"
 msgstr ""
 
-#: taiga/base/api/permissions.py:64
+#: taiga/base/api/permissions.py:66
 msgid "Invalid permission definition."
 msgstr ""
 
-#: taiga/base/api/relations.py:245
+#: taiga/base/api/relations.py:247
 #, python-format
 msgid "Invalid pk '%s' - object does not exist."
 msgstr ""
 
-#: taiga/base/api/relations.py:246
+#: taiga/base/api/relations.py:248
 #, python-format
 msgid "Incorrect type. Expected pk value, received %s."
 msgstr ""
 
-#: taiga/base/api/relations.py:334
+#: taiga/base/api/relations.py:336
 #, python-format
 msgid "Object with %s=%s does not exist."
 msgstr ""
 
-#: taiga/base/api/relations.py:370
+#: taiga/base/api/relations.py:372
 msgid "Invalid hyperlink - No URL match"
 msgstr ""
 
-#: taiga/base/api/relations.py:371
+#: taiga/base/api/relations.py:373
 msgid "Invalid hyperlink - Incorrect URL match"
 msgstr ""
 
-#: taiga/base/api/relations.py:372
+#: taiga/base/api/relations.py:374
 msgid "Invalid hyperlink due to configuration error"
 msgstr ""
 
-#: taiga/base/api/relations.py:373
+#: taiga/base/api/relations.py:375
 msgid "Invalid hyperlink - object does not exist."
 msgstr ""
 
-#: taiga/base/api/relations.py:374
+#: taiga/base/api/relations.py:376
 #, python-format
 msgid "Incorrect type.  Expected url string, received %s."
 msgstr ""
 
-#: taiga/base/api/serializers.py:320
+#: taiga/base/api/serializers.py:324
 msgid "Invalid data"
 msgstr ""
 
-#: taiga/base/api/serializers.py:412
+#: taiga/base/api/serializers.py:416
 msgid "No input provided"
 msgstr ""
 
-#: taiga/base/api/serializers.py:575
+#: taiga/base/api/serializers.py:579
 msgid "Cannot create a new item, only existing items may be updated."
 msgstr ""
 
-#: taiga/base/api/serializers.py:586
+#: taiga/base/api/serializers.py:590
 msgid "Expected a list of items."
 msgstr ""
 
-#: taiga/base/api/views.py:125
+#: taiga/base/api/views.py:126
 msgid "Not found"
 msgstr ""
 
-#: taiga/base/api/views.py:128
+#: taiga/base/api/views.py:129
 msgid "Permission denied"
 msgstr ""
 
-#: taiga/base/api/views.py:476
+#: taiga/base/api/views.py:477
 msgid "Server application error"
 msgstr ""
 
-#: taiga/base/connectors/exceptions.py:25
+#: taiga/base/connectors/exceptions.py:26
 msgid "Connection error."
 msgstr ""
 
-#: taiga/base/exceptions.py:77
+#: taiga/base/exceptions.py:79
 msgid "Malformed request."
 msgstr ""
 
-#: taiga/base/exceptions.py:82
+#: taiga/base/exceptions.py:84
 msgid "Incorrect authentication credentials."
 msgstr ""
 
-#: taiga/base/exceptions.py:87
+#: taiga/base/exceptions.py:89
 msgid "Authentication credentials were not provided."
 msgstr ""
 
-#: taiga/base/exceptions.py:92
+#: taiga/base/exceptions.py:94
 msgid "You do not have permission to perform this action."
 msgstr ""
 
-#: taiga/base/exceptions.py:97
+#: taiga/base/exceptions.py:99
 #, python-format
 msgid "Method '%s' not allowed."
 msgstr ""
 
-#: taiga/base/exceptions.py:105
+#: taiga/base/exceptions.py:107
 msgid "Could not satisfy the request's Accept header"
 msgstr ""
 
-#: taiga/base/exceptions.py:114
+#: taiga/base/exceptions.py:116
 #, python-format
 msgid "Unsupported media type '%s' in request."
 msgstr ""
 
-#: taiga/base/exceptions.py:122
+#: taiga/base/exceptions.py:124
 msgid "Request was throttled."
 msgstr ""
 
-#: taiga/base/exceptions.py:123
+#: taiga/base/exceptions.py:125
 #, python-format
 msgid "Expected available in %d second%s."
 msgstr ""
 
-#: taiga/base/exceptions.py:137
+#: taiga/base/exceptions.py:139
 msgid "Unexpected error"
 msgstr ""
 
-#: taiga/base/exceptions.py:149
+#: taiga/base/exceptions.py:151
 msgid "Not found."
 msgstr ""
 
-#: taiga/base/exceptions.py:154
+#: taiga/base/exceptions.py:156
 msgid "Method not supported for this endpoint."
 msgstr ""
 
-#: taiga/base/exceptions.py:162 taiga/base/exceptions.py:170
+#: taiga/base/exceptions.py:164 taiga/base/exceptions.py:172
 msgid "Wrong arguments."
 msgstr ""
 
-#: taiga/base/exceptions.py:174
+#: taiga/base/exceptions.py:176
 msgid "Data validation error"
 msgstr ""
 
-#: taiga/base/exceptions.py:186
+#: taiga/base/exceptions.py:188
 msgid "Integrity Error for wrong or invalid arguments"
 msgstr ""
 
-#: taiga/base/exceptions.py:193
+#: taiga/base/exceptions.py:195
 msgid "Precondition error"
 msgstr ""
 
-#: taiga/base/exceptions.py:217
+#: taiga/base/exceptions.py:219
 msgid "No room left for more projects."
 msgstr ""
 
-#: taiga/base/filters.py:79 taiga/base/filters.py:444
+#: taiga/base/filters.py:79 taiga/base/filters.py:460
 msgid "Error in filter params types."
 msgstr ""
 
-#: taiga/base/filters.py:133 taiga/base/filters.py:232
-#: taiga/projects/filters.py:63
+#: taiga/base/filters.py:133 taiga/base/filters.py:240
+#: taiga/projects/filters.py:64
 msgid "'project' must be an integer value."
 msgstr ""
 
-#: taiga/base/tags.py:26
-msgid "tags"
-msgstr ""
-
 #: taiga/base/templates/emails/base-body-html.jinja:6
 msgid "Taiga"
 msgstr ""
@@ -403,7 +404,7 @@ msgid ""
 "                                                    <strong>Contact us:</"
 "strong>\n"
 "                                                     <a href=\"mailto:"
-"%(support_email)s\" title=\"Supporti email\" style=\"color: #9dce0a\">\n"
+"%(support_email)s\" title=\"Support email\" style=\"color: #9dce0a\">\n"
 "                                                        %(support_email)s\n"
 "                                                    </a>\n"
 "                                                    <br>\n"
@@ -457,103 +458,88 @@ msgid ""
 "        "
 msgstr ""
 
-#: taiga/export_import/api.py:119
+#: taiga/export_import/api.py:127
 msgid "We needed at least one role"
 msgstr ""
 
-#: taiga/export_import/api.py:309
+#: taiga/export_import/api.py:323
 msgid "Needed dump file"
 msgstr ""
 
-#: taiga/export_import/api.py:316
+#: taiga/export_import/api.py:333
 msgid "Invalid dump format"
 msgstr ""
 
-#: taiga/export_import/serializers.py:178
-msgid "{}=\"{}\" not found in this project"
-msgstr ""
-
-#: taiga/export_import/serializers.py:443
-#: taiga/projects/custom_attributes/serializers.py:104
-msgid "Invalid content. It must be {\"key\": \"value\",...}"
-msgstr ""
-
-#: taiga/export_import/serializers.py:458
-#: taiga/projects/custom_attributes/serializers.py:119
-msgid "It contain invalid custom fields."
-msgstr ""
-
-#: taiga/export_import/serializers.py:528
-#: taiga/projects/mixins/serializers.py:38
-msgid "Name duplicated for the project"
-msgstr ""
-
-#: taiga/export_import/services/store.py:621
-#: taiga/export_import/services/store.py:639
+#: taiga/export_import/services/store.py:718
+#: taiga/export_import/services/store.py:736
 msgid "error importing project data"
 msgstr ""
 
-#: taiga/export_import/services/store.py:646
+#: taiga/export_import/services/store.py:743
 msgid "error importing roles"
 msgstr ""
 
-#: taiga/export_import/services/store.py:651
+#: taiga/export_import/services/store.py:748
 msgid "error importing memberships"
 msgstr ""
 
-#: taiga/export_import/services/store.py:661
+#: taiga/export_import/services/store.py:759
 msgid "error importing lists of project attributes"
 msgstr ""
 
-#: taiga/export_import/services/store.py:665
+#: taiga/export_import/services/store.py:763
 msgid "error importing default project attributes values"
 msgstr ""
 
-#: taiga/export_import/services/store.py:674
+#: taiga/export_import/services/store.py:774
 msgid "error importing custom attributes"
 msgstr ""
 
-#: taiga/export_import/services/store.py:679
+#: taiga/export_import/services/store.py:778
 msgid "error importing sprints"
 msgstr ""
 
-#: taiga/export_import/services/store.py:683
-msgid "error importing user stories"
-msgstr ""
-
-#: taiga/export_import/services/store.py:687
-msgid "error importing tasks"
-msgstr ""
-
-#: taiga/export_import/services/store.py:691
+#: taiga/export_import/services/store.py:782
 msgid "error importing issues"
 msgstr ""
 
-#: taiga/export_import/services/store.py:695
+#: taiga/export_import/services/store.py:786
+msgid "error importing user stories"
+msgstr ""
+
+#: taiga/export_import/services/store.py:790
+msgid "error importing epics"
+msgstr ""
+
+#: taiga/export_import/services/store.py:794
+msgid "error importing tasks"
+msgstr ""
+
+#: taiga/export_import/services/store.py:798
 msgid "error importing wiki pages"
 msgstr ""
 
-#: taiga/export_import/services/store.py:699
+#: taiga/export_import/services/store.py:802
 msgid "error importing wiki links"
 msgstr ""
 
-#: taiga/export_import/services/store.py:703
+#: taiga/export_import/services/store.py:806
 msgid "error importing tags"
 msgstr ""
 
-#: taiga/export_import/services/store.py:707
+#: taiga/export_import/services/store.py:810
 msgid "error importing timelines"
 msgstr ""
 
-#: taiga/export_import/services/store.py:731
+#: taiga/export_import/services/store.py:832
 msgid "unexpected error importing project"
 msgstr ""
 
-#: taiga/export_import/tasks.py:56 taiga/export_import/tasks.py:57
+#: taiga/export_import/tasks.py:62 taiga/export_import/tasks.py:63
 msgid "Error generating project dump"
 msgstr ""
 
-#: taiga/export_import/tasks.py:81
+#: taiga/export_import/tasks.py:91
 #, python-brace-format
 msgid ""
 "\n"
@@ -573,15 +559,15 @@ msgid ""
 "------------"
 msgstr ""
 
-#: taiga/export_import/tasks.py:110
+#: taiga/export_import/tasks.py:120
 msgid "Error loading project dump"
 msgstr ""
 
-#: taiga/export_import/tasks.py:111
+#: taiga/export_import/tasks.py:121
 msgid "Error loading your project dump file"
 msgstr ""
 
-#: taiga/export_import/tasks.py:125
+#: taiga/export_import/tasks.py:135
 msgid "  -- no detail info --"
 msgstr ""
 
@@ -732,77 +718,97 @@ msgstr ""
 msgid "[%(project)s] Your project dump has been imported"
 msgstr ""
 
-#: taiga/external_apps/api.py:41 taiga/external_apps/api.py:67
-#: taiga/external_apps/api.py:74
+#: taiga/export_import/validators/fields.py:144
+msgid "{}=\"{}\" not found in this project"
+msgstr ""
+
+#: taiga/export_import/validators/validators.py:150
+#: taiga/projects/custom_attributes/validators.py:109
+msgid "Invalid content. It must be {\"key\": \"value\",...}"
+msgstr ""
+
+#: taiga/export_import/validators/validators.py:165
+#: taiga/projects/custom_attributes/validators.py:124
+msgid "It contain invalid custom fields."
+msgstr ""
+
+#: taiga/export_import/validators/validators.py:245
+#: taiga/projects/validators.py:52
+msgid "Name duplicated for the project"
+msgstr ""
+
+#: taiga/external_apps/api.py:43 taiga/external_apps/api.py:70
+#: taiga/external_apps/api.py:77
 msgid "Authentication required"
 msgstr ""
 
-#: taiga/external_apps/models.py:34
+#: taiga/external_apps/models.py:35
 #: taiga/projects/custom_attributes/models.py:35
-#: taiga/projects/milestones/models.py:38 taiga/projects/models.py:146
-#: taiga/projects/models.py:478 taiga/projects/models.py:517
-#: taiga/projects/models.py:542 taiga/projects/models.py:579
-#: taiga/projects/models.py:602 taiga/projects/models.py:625
-#: taiga/projects/models.py:660 taiga/projects/models.py:683
-#: taiga/users/admin.py:53 taiga/users/models.py:292
-#: taiga/webhooks/models.py:28
+#: taiga/projects/milestones/models.py:38 taiga/projects/models.py:144
+#: taiga/projects/models.py:510 taiga/projects/models.py:543
+#: taiga/projects/models.py:579 taiga/projects/models.py:601
+#: taiga/projects/models.py:635 taiga/projects/models.py:655
+#: taiga/projects/models.py:675 taiga/projects/models.py:707
+#: taiga/projects/models.py:727 taiga/users/admin.py:54
+#: taiga/users/models.py:292 taiga/webhooks/models.py:29
 msgid "name"
 msgstr ""
 
-#: taiga/external_apps/models.py:36
+#: taiga/external_apps/models.py:37
 msgid "Icon url"
 msgstr ""
 
-#: taiga/external_apps/models.py:37
+#: taiga/external_apps/models.py:38
 msgid "web"
 msgstr ""
 
-#: taiga/external_apps/models.py:38 taiga/projects/attachments/models.py:60
+#: taiga/external_apps/models.py:39 taiga/projects/attachments/models.py:61
 #: taiga/projects/custom_attributes/models.py:36
-#: taiga/projects/history/templatetags/functions.py:24
-#: taiga/projects/issues/models.py:62 taiga/projects/models.py:150
-#: taiga/projects/models.py:687 taiga/projects/tasks/models.py:61
-#: taiga/projects/userstories/models.py:92
+#: taiga/projects/epics/models.py:54
+#: taiga/projects/history/templatetags/functions.py:25
+#: taiga/projects/issues/models.py:60 taiga/projects/models.py:148
+#: taiga/projects/models.py:731 taiga/projects/tasks/models.py:61
+#: taiga/projects/userstories/models.py:94
 msgid "description"
 msgstr ""
 
-#: taiga/external_apps/models.py:40
+#: taiga/external_apps/models.py:41
 msgid "Next url"
 msgstr ""
 
-#: taiga/external_apps/models.py:42
+#: taiga/external_apps/models.py:43
 msgid "secret key for ciphering the application tokens"
 msgstr ""
 
-#: taiga/external_apps/models.py:56 taiga/projects/likes/models.py:30
-#: taiga/projects/notifications/models.py:86 taiga/projects/votes/models.py:51
+#: taiga/external_apps/models.py:57 taiga/projects/likes/models.py:31
+#: taiga/projects/notifications/models.py:87 taiga/projects/votes/models.py:52
 msgid "user"
 msgstr ""
 
-#: taiga/external_apps/models.py:60
+#: taiga/external_apps/models.py:61
 msgid "application"
 msgstr ""
 
-#: taiga/feedback/models.py:24 taiga/users/models.py:138
+#: taiga/feedback/models.py:25 taiga/users/models.py:137
 msgid "full name"
 msgstr ""
 
-#: taiga/feedback/models.py:26 taiga/users/models.py:133
+#: taiga/feedback/models.py:27 taiga/users/models.py:132
 msgid "email address"
 msgstr ""
 
-#: taiga/feedback/models.py:28
+#: taiga/feedback/models.py:29
 msgid "comment"
 msgstr ""
 
-#: taiga/feedback/models.py:30 taiga/projects/attachments/models.py:47
+#: taiga/feedback/models.py:31 taiga/projects/attachments/models.py:48
 #: taiga/projects/custom_attributes/models.py:45
-#: taiga/projects/issues/models.py:54 taiga/projects/likes/models.py:32
-#: taiga/projects/milestones/models.py:49 taiga/projects/models.py:157
-#: taiga/projects/models.py:689 taiga/projects/notifications/models.py:88
-#: taiga/projects/tasks/models.py:47 taiga/projects/userstories/models.py:84
-#: taiga/projects/votes/models.py:53 taiga/projects/wiki/models.py:40
-#: taiga/userstorage/models.py:28
+#: taiga/projects/epics/models.py:47 taiga/projects/issues/models.py:52
+#: taiga/projects/likes/models.py:33 taiga/projects/milestones/models.py:49
+#: taiga/projects/models.py:155 taiga/projects/models.py:735
+#: taiga/projects/notifications/models.py:89 taiga/projects/tasks/models.py:47
+#: taiga/projects/userstories/models.py:86 taiga/projects/votes/models.py:54
+#: taiga/projects/wiki/models.py:43 taiga/userstorage/models.py:29
 msgid "created date"
 msgstr ""
 
@@ -825,7 +831,7 @@ msgid ""
 msgstr ""
 
 #: taiga/feedback/templates/emails/feedback_notification-body-html.jinja:18
-#: taiga/users/admin.py:120
+#: taiga/projects/admin.py:103 taiga/users/admin.py:120
 msgid "Extra info"
 msgstr ""
 
@@ -851,504 +857,572 @@ msgid ""
 "[Taiga] Feedback from %(full_name)s <%(email)s>\n"
 msgstr ""
 
-#: taiga/hooks/api.py:53
+#: taiga/hooks/api.py:54
 msgid "The payload is not a valid json"
 msgstr ""
 
-#: taiga/hooks/api.py:62 taiga/projects/issues/api.py:139
-#: taiga/projects/tasks/api.py:86 taiga/projects/userstories/api.py:111
+#: taiga/hooks/api.py:63 taiga/projects/epics/api.py:151
+#: taiga/projects/issues/api.py:135 taiga/projects/tasks/api.py:197
+#: taiga/projects/userstories/api.py:265
 msgid "The project doesn't exist"
 msgstr ""
 
-#: taiga/hooks/api.py:65
+#: taiga/hooks/api.py:66
 msgid "Bad signature"
 msgstr ""
 
-#: taiga/hooks/bitbucket/event_hooks.py:82 taiga/hooks/github/event_hooks.py:76
-#: taiga/hooks/gitlab/event_hooks.py:74
-msgid "The referenced element doesn't exist"
-msgstr ""
-
-#: taiga/hooks/bitbucket/event_hooks.py:89 taiga/hooks/github/event_hooks.py:83
-#: taiga/hooks/gitlab/event_hooks.py:81
-msgid "The status doesn't exist"
-msgstr ""
-
-#: taiga/hooks/bitbucket/event_hooks.py:95
-msgid "Status changed from BitBucket commit"
-msgstr ""
-
-#: taiga/hooks/bitbucket/event_hooks.py:124
-#: taiga/hooks/github/event_hooks.py:142 taiga/hooks/gitlab/event_hooks.py:114
-msgid "Invalid issue information"
-msgstr ""
-
-#: taiga/hooks/bitbucket/event_hooks.py:140
+#: taiga/hooks/event_hooks.py:65
 #, python-brace-format
 msgid ""
-"Issue created by [@{bitbucket_user_name}]({bitbucket_user_url} \"See "
-"@{bitbucket_user_name}'s BitBucket profile\") from BitBucket.\n"
-"Origin BitBucket issue: [bb#{number} - {subject}]({bitbucket_url} \"Go to "
-"'bb#{number} - {subject}'\"):\n"
+"[@{user_name}]({user_url} \"See @{user_name}'s {platform} profile\") says in "
+"[{platform}#{number}]({comment_url} \"Go to comment\"):\n"
 "\n"
-"{description}"
+"\"{comment_message}\""
 msgstr ""
 
-#: taiga/hooks/bitbucket/event_hooks.py:151
-msgid "Issue created from BitBucket."
+#: taiga/hooks/event_hooks.py:70
+#, python-brace-format
+msgid ""
+"Comment From {platform}:\n"
+"\n"
+"> {comment_message}"
 msgstr ""
 
-#: taiga/hooks/bitbucket/event_hooks.py:175
-#: taiga/hooks/github/event_hooks.py:178 taiga/hooks/github/event_hooks.py:193
-#: taiga/hooks/gitlab/event_hooks.py:153
+#: taiga/hooks/event_hooks.py:83
 msgid "Invalid issue comment information"
 msgstr ""
 
-#: taiga/hooks/bitbucket/event_hooks.py:183
+#: taiga/hooks/event_hooks.py:102
 #, python-brace-format
 msgid ""
-"Comment by [@{bitbucket_user_name}]({bitbucket_user_url} \"See "
-"@{bitbucket_user_name}'s BitBucket profile\") from BitBucket.\n"
-"Origin BitBucket issue: [bb#{number} - {subject}]({bitbucket_url} \"Go to "
-"'bb#{number} - {subject}'\")\n"
+"Issue created by [@{user_name}]({user_url} \"See @{user_name}'s {platform} "
+"profile\") from [{platform}#{number}]({url} \"Go to issue\")."
+msgstr ""
+
+#: taiga/hooks/event_hooks.py:106
+#, python-brace-format
+msgid "Issue created from {platform}."
+msgstr ""
+
+#: taiga/hooks/event_hooks.py:119
+msgid "Invalid issue information"
+msgstr ""
+
+#: taiga/hooks/event_hooks.py:148 taiga/hooks/event_hooks.py:170
+msgid "unknown user"
+msgstr ""
+
+#: taiga/hooks/event_hooks.py:155
+#, python-brace-format
+msgid ""
+"{user_text} changed the status from [{platform} commit]({commit_url} \"See "
+"commit '{commit_id} - {commit_message}'\")\n"
 "\n"
-"{message}"
+"  - Status: **{src_status}** → **{dst_status}**"
 msgstr ""
 
-#: taiga/hooks/bitbucket/event_hooks.py:194
+#: taiga/hooks/event_hooks.py:160
 #, python-brace-format
 msgid ""
-"Comment From BitBucket:\n"
+"Changed status from {platform} commit.\n"
 "\n"
-"{message}"
+" - Status: **{src_status}** → **{dst_status}**"
 msgstr ""
 
-#: taiga/hooks/github/event_hooks.py:97
+#: taiga/hooks/event_hooks.py:178
 #, python-brace-format
 msgid ""
-"Status changed by [@{github_user_name}]({github_user_url} \"See "
-"@{github_user_name}'s GitHub profile\") from GitHub commit [{commit_id}]"
-"({commit_url} \"See commit '{commit_id} - {commit_message}'\")."
+"This {type_name} has been mentioned by {user_text} in the [{platform} commit]"
+"({commit_url} \"See commit '{commit_id} - {commit_message}'\") "
+"\"{commit_message}\""
 msgstr ""
 
-#: taiga/hooks/github/event_hooks.py:108
-msgid "Status changed from GitHub commit."
-msgstr ""
-
-#: taiga/hooks/github/event_hooks.py:158
+#: taiga/hooks/event_hooks.py:183
 #, python-brace-format
 msgid ""
-"Issue created by [@{github_user_name}]({github_user_url} \"See "
-"@{github_user_name}'s GitHub profile\") from GitHub.\n"
-"Origin GitHub issue: [gh#{number} - {subject}]({github_url} \"Go to "
-"'gh#{number} - {subject}'\"):\n"
-"\n"
-"{description}"
+"This issue has been mentioned in the {platform} commit \"{commit_message}\""
 msgstr ""
 
-#: taiga/hooks/github/event_hooks.py:169
-msgid "Issue created from GitHub."
+#: taiga/hooks/event_hooks.py:202
+msgid "The referenced element doesn't exist"
 msgstr ""
 
-#: taiga/hooks/github/event_hooks.py:201
-#, python-brace-format
-msgid ""
-"Comment by [@{github_user_name}]({github_user_url} \"See "
-"@{github_user_name}'s GitHub profile\") from GitHub.\n"
-"Origin GitHub issue: [gh#{number} - {subject}]({github_url} \"Go to "
-"'gh#{number} - {subject}'\")\n"
-"\n"
-"{message}"
+#: taiga/hooks/event_hooks.py:218
+msgid "The status doesn't exist"
 msgstr ""
 
-#: taiga/hooks/github/event_hooks.py:212
-#, python-brace-format
-msgid ""
-"Comment From GitHub:\n"
-"\n"
-"{message}"
-msgstr ""
-
-#: taiga/hooks/gitlab/event_hooks.py:87
-msgid "Status changed from GitLab commit"
-msgstr ""
-
-#: taiga/hooks/gitlab/event_hooks.py:129
-msgid "Created from GitLab"
-msgstr ""
-
-#: taiga/hooks/gitlab/event_hooks.py:161
-#, python-brace-format
-msgid ""
-"Comment by [@{gitlab_user_name}]({gitlab_user_url} \"See "
-"@{gitlab_user_name}'s GitLab profile\") from GitLab.\n"
-"Origin GitLab issue: [gl#{number} - {subject}]({gitlab_url} \"Go to "
-"'gl#{number} - {subject}'\")\n"
-"\n"
-"{message}"
-msgstr ""
-
-#: taiga/hooks/gitlab/event_hooks.py:172
-#, python-brace-format
-msgid ""
-"Comment From GitLab:\n"
-"\n"
-"{message}"
-msgstr ""
-
-#: taiga/permissions/permissions.py:22 taiga/permissions/permissions.py:32
-#: taiga/permissions/permissions.py:52
+#: taiga/permissions/choices.py:23 taiga/permissions/choices.py:34
 msgid "View project"
 msgstr ""
 
-#: taiga/permissions/permissions.py:23 taiga/permissions/permissions.py:33
-#: taiga/permissions/permissions.py:54
+#: taiga/permissions/choices.py:24 taiga/permissions/choices.py:36
 msgid "View milestones"
 msgstr ""
 
-#: taiga/permissions/permissions.py:24 taiga/permissions/permissions.py:34
+#: taiga/permissions/choices.py:25 taiga/permissions/choices.py:41
+msgid "View epic"
+msgstr ""
+
+#: taiga/permissions/choices.py:26
 msgid "View user stories"
 msgstr ""
 
-#: taiga/permissions/permissions.py:25 taiga/permissions/permissions.py:36
-#: taiga/permissions/permissions.py:64
+#: taiga/permissions/choices.py:27 taiga/permissions/choices.py:53
 msgid "View tasks"
 msgstr ""
 
-#: taiga/permissions/permissions.py:26 taiga/permissions/permissions.py:35
-#: taiga/permissions/permissions.py:69
+#: taiga/permissions/choices.py:28 taiga/permissions/choices.py:59
 msgid "View issues"
 msgstr ""
 
-#: taiga/permissions/permissions.py:27 taiga/permissions/permissions.py:37
-#: taiga/permissions/permissions.py:74
+#: taiga/permissions/choices.py:29 taiga/permissions/choices.py:65
 msgid "View wiki pages"
 msgstr ""
 
-#: taiga/permissions/permissions.py:28 taiga/permissions/permissions.py:38
-#: taiga/permissions/permissions.py:79
+#: taiga/permissions/choices.py:30 taiga/permissions/choices.py:71
 msgid "View wiki links"
 msgstr ""
 
-#: taiga/permissions/permissions.py:39
-msgid "Request membership"
-msgstr ""
-
-#: taiga/permissions/permissions.py:40
-msgid "Add user story to project"
-msgstr ""
-
-#: taiga/permissions/permissions.py:41
-msgid "Add comments to user stories"
-msgstr ""
-
-#: taiga/permissions/permissions.py:42
-msgid "Add comments to tasks"
-msgstr ""
-
-#: taiga/permissions/permissions.py:43
-msgid "Add issues"
-msgstr ""
-
-#: taiga/permissions/permissions.py:44
-msgid "Add comments to issues"
-msgstr ""
-
-#: taiga/permissions/permissions.py:45 taiga/permissions/permissions.py:75
-msgid "Add wiki page"
-msgstr ""
-
-#: taiga/permissions/permissions.py:46 taiga/permissions/permissions.py:76
-msgid "Modify wiki page"
-msgstr ""
-
-#: taiga/permissions/permissions.py:47 taiga/permissions/permissions.py:80
-msgid "Add wiki link"
-msgstr ""
-
-#: taiga/permissions/permissions.py:48 taiga/permissions/permissions.py:81
-msgid "Modify wiki link"
-msgstr ""
-
-#: taiga/permissions/permissions.py:55
+#: taiga/permissions/choices.py:37
 msgid "Add milestone"
 msgstr ""
 
-#: taiga/permissions/permissions.py:56
+#: taiga/permissions/choices.py:38
 msgid "Modify milestone"
 msgstr ""
 
-#: taiga/permissions/permissions.py:57
+#: taiga/permissions/choices.py:39
 msgid "Delete milestone"
 msgstr ""
 
-#: taiga/permissions/permissions.py:59
+#: taiga/permissions/choices.py:42
+msgid "Add epic"
+msgstr ""
+
+#: taiga/permissions/choices.py:43
+msgid "Modify epic"
+msgstr ""
+
+#: taiga/permissions/choices.py:44
+msgid "Comment epic"
+msgstr ""
+
+#: taiga/permissions/choices.py:45
+msgid "Delete epic"
+msgstr ""
+
+#: taiga/permissions/choices.py:47
 msgid "View user story"
 msgstr ""
 
-#: taiga/permissions/permissions.py:60
+#: taiga/permissions/choices.py:48
 msgid "Add user story"
 msgstr ""
 
-#: taiga/permissions/permissions.py:61
+#: taiga/permissions/choices.py:49
 msgid "Modify user story"
 msgstr ""
 
-#: taiga/permissions/permissions.py:62
+#: taiga/permissions/choices.py:50
+msgid "Comment user story"
+msgstr ""
+
+#: taiga/permissions/choices.py:51
 msgid "Delete user story"
 msgstr ""
 
-#: taiga/permissions/permissions.py:65
+#: taiga/permissions/choices.py:54
 msgid "Add task"
 msgstr ""
 
-#: taiga/permissions/permissions.py:66
+#: taiga/permissions/choices.py:55
 msgid "Modify task"
 msgstr ""
 
-#: taiga/permissions/permissions.py:67
+#: taiga/permissions/choices.py:56
+msgid "Comment task"
+msgstr ""
+
+#: taiga/permissions/choices.py:57
 msgid "Delete task"
 msgstr ""
 
-#: taiga/permissions/permissions.py:70
+#: taiga/permissions/choices.py:60
 msgid "Add issue"
 msgstr ""
 
-#: taiga/permissions/permissions.py:71
+#: taiga/permissions/choices.py:61
 msgid "Modify issue"
 msgstr ""
 
-#: taiga/permissions/permissions.py:72
+#: taiga/permissions/choices.py:62
+msgid "Comment issue"
+msgstr ""
+
+#: taiga/permissions/choices.py:63
 msgid "Delete issue"
 msgstr ""
 
-#: taiga/permissions/permissions.py:77
+#: taiga/permissions/choices.py:66
+msgid "Add wiki page"
+msgstr ""
+
+#: taiga/permissions/choices.py:67
+msgid "Modify wiki page"
+msgstr ""
+
+#: taiga/permissions/choices.py:68
+msgid "Comment wiki page"
+msgstr ""
+
+#: taiga/permissions/choices.py:69
 msgid "Delete wiki page"
 msgstr ""
 
-#: taiga/permissions/permissions.py:82
+#: taiga/permissions/choices.py:72
+msgid "Add wiki link"
+msgstr ""
+
+#: taiga/permissions/choices.py:73
+msgid "Modify wiki link"
+msgstr ""
+
+#: taiga/permissions/choices.py:74
 msgid "Delete wiki link"
 msgstr ""
 
-#: taiga/permissions/permissions.py:86
+#: taiga/permissions/choices.py:78
 msgid "Modify project"
 msgstr ""
 
-#: taiga/permissions/permissions.py:87
-msgid "Add member"
-msgstr ""
-
-#: taiga/permissions/permissions.py:88
-msgid "Remove member"
-msgstr ""
-
-#: taiga/permissions/permissions.py:89
+#: taiga/permissions/choices.py:79
 msgid "Delete project"
 msgstr ""
 
-#: taiga/permissions/permissions.py:90
+#: taiga/permissions/choices.py:80
+msgid "Add member"
+msgstr ""
+
+#: taiga/permissions/choices.py:81
+msgid "Remove member"
+msgstr ""
+
+#: taiga/permissions/choices.py:82
 msgid "Admin project values"
 msgstr ""
 
-#: taiga/permissions/permissions.py:91
+#: taiga/permissions/choices.py:83
 msgid "Admin roles"
 msgstr ""
 
-#: taiga/projects/admin.py:90 taiga/projects/attachments/models.py:38
-#: taiga/projects/issues/models.py:39 taiga/projects/milestones/models.py:43
-#: taiga/projects/models.py:162 taiga/projects/notifications/models.py:61
-#: taiga/projects/tasks/models.py:38 taiga/projects/userstories/models.py:66
-#: taiga/projects/wiki/models.py:36 taiga/users/admin.py:69
-#: taiga/userstorage/models.py:26
+#: taiga/projects/admin.py:97
+msgid "Privacity"
+msgstr ""
+
+#: taiga/projects/admin.py:109
+msgid "Modules"
+msgstr ""
+
+#: taiga/projects/admin.py:117
+msgid "Default values"
+msgstr ""
+
+#: taiga/projects/admin.py:123
+msgid "Activity"
+msgstr ""
+
+#: taiga/projects/admin.py:128
+msgid "Fans"
+msgstr ""
+
+#: taiga/projects/admin.py:142 taiga/projects/attachments/models.py:39
+#: taiga/projects/epics/models.py:38 taiga/projects/issues/models.py:37
+#: taiga/projects/milestones/models.py:43 taiga/projects/models.py:160
+#: taiga/projects/notifications/models.py:62 taiga/projects/tasks/models.py:38
+#: taiga/projects/userstories/models.py:68 taiga/projects/wiki/models.py:39
+#: taiga/users/admin.py:69 taiga/userstorage/models.py:27
 msgid "owner"
 msgstr ""
 
-#: taiga/projects/api.py:165 taiga/users/api.py:220
+#: taiga/projects/admin.py:195
+#, python-brace-format
+msgid "{count} successfully made public."
+msgstr ""
+
+#: taiga/projects/admin.py:196
+msgid "Make public"
+msgstr ""
+
+#: taiga/projects/admin.py:210
+#, python-brace-format
+msgid "{count} successfully made private."
+msgstr ""
+
+#: taiga/projects/admin.py:211
+msgid "Make private"
+msgstr ""
+
+#: taiga/projects/api.py:150 taiga/users/api.py:237
 msgid "Incomplete arguments"
 msgstr ""
 
-#: taiga/projects/api.py:169 taiga/users/api.py:225
+#: taiga/projects/api.py:154 taiga/users/api.py:242
 msgid "Invalid image format"
 msgstr ""
 
-#: taiga/projects/api.py:230
+#: taiga/projects/api.py:215
 msgid "Not valid template name"
 msgstr ""
 
-#: taiga/projects/api.py:233
+#: taiga/projects/api.py:218
 msgid "Not valid template description"
 msgstr ""
 
-#: taiga/projects/api.py:356
+#: taiga/projects/api.py:344
 msgid "Invalid user id"
 msgstr ""
 
-#: taiga/projects/api.py:362
+#: taiga/projects/api.py:350
 msgid "The user doesn't exist"
 msgstr ""
 
-#: taiga/projects/api.py:366
+#: taiga/projects/api.py:354
 msgid "The user must be already a project member"
 msgstr ""
 
-#: taiga/projects/api.py:672
+#: taiga/projects/api.py:701
 msgid ""
 "The project must have an owner and at least one of the users must be an "
 "active admin"
 msgstr ""
 
-#: taiga/projects/api.py:706
+#: taiga/projects/api.py:735
 msgid "You don't have permisions to see that."
 msgstr ""
 
-#: taiga/projects/attachments/api.py:51
+#: taiga/projects/attachments/api.py:54
 msgid "Partial updates are not supported"
 msgstr ""
 
-#: taiga/projects/attachments/api.py:66
+#: taiga/projects/attachments/api.py:69
+msgid "Object id issue isn't exists"
+msgstr ""
+
+#: taiga/projects/attachments/api.py:72
 msgid "Project ID not matches between object and project"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:40
+#: taiga/projects/attachments/models.py:41
 #: taiga/projects/custom_attributes/models.py:42
-#: taiga/projects/issues/models.py:52 taiga/projects/milestones/models.py:45
-#: taiga/projects/models.py:466 taiga/projects/models.py:492
-#: taiga/projects/models.py:523 taiga/projects/models.py:552
-#: taiga/projects/models.py:585 taiga/projects/models.py:608
-#: taiga/projects/models.py:635 taiga/projects/models.py:666
-#: taiga/projects/notifications/models.py:73
-#: taiga/projects/notifications/models.py:90 taiga/projects/tasks/models.py:42
-#: taiga/projects/userstories/models.py:64 taiga/projects/wiki/models.py:30
-#: taiga/projects/wiki/models.py:68 taiga/users/models.py:305
+#: taiga/projects/epics/models.py:36 taiga/projects/issues/models.py:50
+#: taiga/projects/milestones/models.py:45 taiga/projects/models.py:498
+#: taiga/projects/models.py:520 taiga/projects/models.py:557
+#: taiga/projects/models.py:585 taiga/projects/models.py:611
+#: taiga/projects/models.py:641 taiga/projects/models.py:661
+#: taiga/projects/models.py:685 taiga/projects/models.py:713
+#: taiga/projects/notifications/models.py:74
+#: taiga/projects/notifications/models.py:91 taiga/projects/tasks/models.py:42
+#: taiga/projects/userstories/models.py:66 taiga/projects/wiki/models.py:33
+#: taiga/projects/wiki/models.py:71 taiga/users/models.py:303
 msgid "project"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:42
+#: taiga/projects/attachments/models.py:43
 msgid "content type"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:44
+#: taiga/projects/attachments/models.py:45
 msgid "object id"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:50
+#: taiga/projects/attachments/models.py:51
 #: taiga/projects/custom_attributes/models.py:47
-#: taiga/projects/issues/models.py:57 taiga/projects/milestones/models.py:52
-#: taiga/projects/models.py:160 taiga/projects/models.py:692
-#: taiga/projects/tasks/models.py:50 taiga/projects/userstories/models.py:87
-#: taiga/projects/wiki/models.py:43 taiga/userstorage/models.py:30
+#: taiga/projects/epics/models.py:50 taiga/projects/issues/models.py:55
+#: taiga/projects/milestones/models.py:52 taiga/projects/models.py:158
+#: taiga/projects/models.py:738 taiga/projects/tasks/models.py:50
+#: taiga/projects/userstories/models.py:89 taiga/projects/wiki/models.py:46
+#: taiga/userstorage/models.py:31
 msgid "modified date"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:55
+#: taiga/projects/attachments/models.py:56
 msgid "attached file"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:57
+#: taiga/projects/attachments/models.py:58
 msgid "sha1"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:59
+#: taiga/projects/attachments/models.py:60
 msgid "is deprecated"
 msgstr ""
 
-#: taiga/projects/attachments/models.py:61
+#: taiga/projects/attachments/models.py:62
 #: taiga/projects/custom_attributes/models.py:40
-#: taiga/projects/milestones/models.py:58 taiga/projects/models.py:482
-#: taiga/projects/models.py:519 taiga/projects/models.py:546
-#: taiga/projects/models.py:581 taiga/projects/models.py:604
-#: taiga/projects/models.py:629 taiga/projects/models.py:662
-#: taiga/projects/wiki/models.py:73 taiga/users/models.py:300
+#: taiga/projects/epics/models.py:100 taiga/projects/milestones/models.py:58
+#: taiga/projects/models.py:514 taiga/projects/models.py:547
+#: taiga/projects/models.py:581 taiga/projects/models.py:605
+#: taiga/projects/models.py:637 taiga/projects/models.py:657
+#: taiga/projects/models.py:679 taiga/projects/models.py:709
+#: taiga/projects/wiki/models.py:76 taiga/users/models.py:298
 msgid "order"
 msgstr ""
 
-#: taiga/projects/choices.py:22
+#: taiga/projects/choices.py:23
 msgid "AppearIn"
 msgstr ""
 
-#: taiga/projects/choices.py:23
+#: taiga/projects/choices.py:24
 msgid "Jitsi"
 msgstr ""
 
-#: taiga/projects/choices.py:24
+#: taiga/projects/choices.py:25
 msgid "Custom"
 msgstr ""
 
-#: taiga/projects/choices.py:25
+#: taiga/projects/choices.py:26
 msgid "Talky"
 msgstr ""
 
-#: taiga/projects/choices.py:32
+#: taiga/projects/choices.py:35
 msgid "This project is blocked due to payment failure"
 msgstr ""
 
-#: taiga/projects/choices.py:33
+#: taiga/projects/choices.py:36
 msgid "This project is blocked by admin staff"
 msgstr ""
 
-#: taiga/projects/choices.py:34
+#: taiga/projects/choices.py:37
 msgid "This project is blocked because the owner left"
 msgstr ""
 
-#: taiga/projects/custom_attributes/choices.py:27
-msgid "Text"
+#: taiga/projects/choices.py:38
+msgid "This project is blocked while it's deleted"
 msgstr ""
 
 #: taiga/projects/custom_attributes/choices.py:28
-msgid "Multi-Line Text"
+msgid "Text"
 msgstr ""
 
 #: taiga/projects/custom_attributes/choices.py:29
-msgid "Date"
+msgid "Multi-Line Text"
 msgstr ""
 
 #: taiga/projects/custom_attributes/choices.py:30
+msgid "Date"
+msgstr ""
+
+#: taiga/projects/custom_attributes/choices.py:31
 msgid "Url"
 msgstr ""
 
 #: taiga/projects/custom_attributes/models.py:39
-#: taiga/projects/issues/models.py:47
+#: taiga/projects/issues/models.py:45
 msgid "type"
 msgstr ""
 
-#: taiga/projects/custom_attributes/models.py:88
+#: taiga/projects/custom_attributes/models.py:94
 msgid "values"
 msgstr ""
 
-#: taiga/projects/custom_attributes/models.py:98
-#: taiga/projects/tasks/models.py:34 taiga/projects/userstories/models.py:36
+#: taiga/projects/custom_attributes/models.py:104
+msgid "epic"
+msgstr ""
+
+#: taiga/projects/custom_attributes/models.py:120
+#: taiga/projects/tasks/models.py:34 taiga/projects/userstories/models.py:37
 msgid "user story"
 msgstr ""
 
-#: taiga/projects/custom_attributes/models.py:113
+#: taiga/projects/custom_attributes/models.py:136
 msgid "task"
 msgstr ""
 
-#: taiga/projects/custom_attributes/models.py:128
+#: taiga/projects/custom_attributes/models.py:152
 msgid "issue"
 msgstr ""
 
-#: taiga/projects/custom_attributes/serializers.py:58
+#: taiga/projects/custom_attributes/validators.py:58
 msgid "Already exists one with the same name."
 msgstr ""
 
-#: taiga/projects/history/api.py:71
+#: taiga/projects/epics/api.py:91
+msgid "You don't have permissions to set this status to this epic."
+msgstr ""
+
+#: taiga/projects/epics/models.py:34 taiga/projects/issues/models.py:35
+#: taiga/projects/tasks/models.py:36 taiga/projects/userstories/models.py:61
+msgid "ref"
+msgstr ""
+
+#: taiga/projects/epics/models.py:41 taiga/projects/issues/models.py:39
+#: taiga/projects/tasks/models.py:40 taiga/projects/userstories/models.py:71
+msgid "status"
+msgstr ""
+
+#: taiga/projects/epics/models.py:44
+msgid "epics order"
+msgstr ""
+
+#: taiga/projects/epics/models.py:53 taiga/projects/issues/models.py:59
+#: taiga/projects/tasks/models.py:54 taiga/projects/userstories/models.py:93
+msgid "subject"
+msgstr ""
+
+#: taiga/projects/epics/models.py:57 taiga/projects/models.py:518
+#: taiga/projects/models.py:553 taiga/projects/models.py:609
+#: taiga/projects/models.py:639 taiga/projects/models.py:659
+#: taiga/projects/models.py:683 taiga/projects/models.py:711
+#: taiga/users/models.py:139
+msgid "color"
+msgstr ""
+
+#: taiga/projects/epics/models.py:60 taiga/projects/issues/models.py:63
+#: taiga/projects/tasks/models.py:64 taiga/projects/userstories/models.py:97
+msgid "assigned to"
+msgstr ""
+
+#: taiga/projects/epics/models.py:62 taiga/projects/userstories/models.py:99
+msgid "is client requirement"
+msgstr ""
+
+#: taiga/projects/epics/models.py:64 taiga/projects/userstories/models.py:101
+msgid "is team requirement"
+msgstr ""
+
+#: taiga/projects/epics/models.py:68
+msgid "user stories"
+msgstr ""
+
+#: taiga/projects/epics/validators.py:37
+msgid "There's no epic with that id"
+msgstr ""
+
+#: taiga/projects/history/api.py:93
+msgid "comment is required"
+msgstr ""
+
+#: taiga/projects/history/api.py:96
+msgid "deleted comments can't be edited"
+msgstr ""
+
+#: taiga/projects/history/api.py:130
 msgid "Comment already deleted"
 msgstr ""
 
-#: taiga/projects/history/api.py:90
+#: taiga/projects/history/api.py:151
 msgid "Comment not deleted"
 msgstr ""
 
-#: taiga/projects/history/choices.py:27
+#: taiga/projects/history/choices.py:31
 msgid "Change"
 msgstr ""
 
-#: taiga/projects/history/choices.py:28
+#: taiga/projects/history/choices.py:32
 msgid "Create"
 msgstr ""
 
-#: taiga/projects/history/choices.py:29
+#: taiga/projects/history/choices.py:33
 msgid "Delete"
 msgstr ""
 
@@ -1404,7 +1478,7 @@ msgstr ""
 
 #: taiga/projects/history/templates/emails/includes/fields_diff-html.jinja:135
 #: taiga/projects/history/templates/emails/includes/fields_diff-html.jinja:146
-#: taiga/projects/services/stats.py:54 taiga/projects/services/stats.py:55
+#: taiga/projects/services/stats.py:55 taiga/projects/services/stats.py:56
 msgid "Unassigned"
 msgstr ""
 
@@ -1451,95 +1525,75 @@ msgstr ""
 msgid "To:"
 msgstr ""
 
-#: taiga/projects/history/templatetags/functions.py:25
-#: taiga/projects/wiki/models.py:34
+#: taiga/projects/history/templatetags/functions.py:26
+#: taiga/projects/wiki/models.py:37
 msgid "content"
 msgstr ""
 
-#: taiga/projects/history/templatetags/functions.py:26
-#: taiga/projects/mixins/blocked.py:32
+#: taiga/projects/history/templatetags/functions.py:27
+#: taiga/projects/mixins/blocked.py:33
 msgid "blocked note"
 msgstr ""
 
-#: taiga/projects/history/templatetags/functions.py:27
+#: taiga/projects/history/templatetags/functions.py:28
 msgid "sprint"
 msgstr ""
 
-#: taiga/projects/issues/api.py:158
+#: taiga/projects/issues/api.py:153
 msgid "You don't have permissions to set this sprint to this issue."
 msgstr ""
 
-#: taiga/projects/issues/api.py:162
+#: taiga/projects/issues/api.py:157
 msgid "You don't have permissions to set this status to this issue."
 msgstr ""
 
-#: taiga/projects/issues/api.py:166
+#: taiga/projects/issues/api.py:161
 msgid "You don't have permissions to set this severity to this issue."
 msgstr ""
 
-#: taiga/projects/issues/api.py:170
+#: taiga/projects/issues/api.py:165
 msgid "You don't have permissions to set this priority to this issue."
 msgstr ""
 
-#: taiga/projects/issues/api.py:174
+#: taiga/projects/issues/api.py:169
 msgid "You don't have permissions to set this type to this issue."
 msgstr ""
 
-#: taiga/projects/issues/models.py:37 taiga/projects/tasks/models.py:36
-#: taiga/projects/userstories/models.py:59
-msgid "ref"
-msgstr ""
-
-#: taiga/projects/issues/models.py:41 taiga/projects/tasks/models.py:40
-#: taiga/projects/userstories/models.py:69
-msgid "status"
-msgstr ""
-
-#: taiga/projects/issues/models.py:43
+#: taiga/projects/issues/models.py:41
 msgid "severity"
 msgstr ""
 
-#: taiga/projects/issues/models.py:45
+#: taiga/projects/issues/models.py:43
 msgid "priority"
 msgstr ""
 
-#: taiga/projects/issues/models.py:50 taiga/projects/tasks/models.py:45
-#: taiga/projects/userstories/models.py:62
+#: taiga/projects/issues/models.py:48 taiga/projects/tasks/models.py:45
+#: taiga/projects/userstories/models.py:64
 msgid "milestone"
 msgstr ""
 
-#: taiga/projects/issues/models.py:59 taiga/projects/tasks/models.py:52
+#: taiga/projects/issues/models.py:57 taiga/projects/tasks/models.py:52
 msgid "finished date"
 msgstr ""
 
-#: taiga/projects/issues/models.py:61 taiga/projects/tasks/models.py:54
-#: taiga/projects/userstories/models.py:91
-msgid "subject"
-msgstr ""
-
-#: taiga/projects/issues/models.py:65 taiga/projects/tasks/models.py:64
-#: taiga/projects/userstories/models.py:95
-msgid "assigned to"
-msgstr ""
-
-#: taiga/projects/issues/models.py:67 taiga/projects/tasks/models.py:68
-#: taiga/projects/userstories/models.py:105
+#: taiga/projects/issues/models.py:66 taiga/projects/tasks/models.py:69
+#: taiga/projects/userstories/models.py:108
 msgid "external reference"
 msgstr ""
 
-#: taiga/projects/likes/models.py:35
+#: taiga/projects/likes/models.py:36
 msgid "Like"
 msgstr ""
 
-#: taiga/projects/likes/models.py:36
+#: taiga/projects/likes/models.py:37
 msgid "Likes"
 msgstr ""
 
-#: taiga/projects/milestones/models.py:41 taiga/projects/models.py:148
-#: taiga/projects/models.py:480 taiga/projects/models.py:544
-#: taiga/projects/models.py:627 taiga/projects/models.py:685
-#: taiga/projects/wiki/models.py:32 taiga/users/admin.py:57
-#: taiga/users/models.py:294
+#: taiga/projects/milestones/models.py:41 taiga/projects/models.py:146
+#: taiga/projects/models.py:512 taiga/projects/models.py:545
+#: taiga/projects/models.py:603 taiga/projects/models.py:677
+#: taiga/projects/models.py:729 taiga/projects/wiki/models.py:35
+#: taiga/users/admin.py:58 taiga/users/models.py:294
 msgid "slug"
 msgstr ""
 
@@ -1551,8 +1605,9 @@ msgstr ""
 msgid "estimated finish date"
 msgstr ""
 
-#: taiga/projects/milestones/models.py:54 taiga/projects/models.py:484
-#: taiga/projects/models.py:548 taiga/projects/models.py:631
+#: taiga/projects/milestones/models.py:54 taiga/projects/models.py:516
+#: taiga/projects/models.py:549 taiga/projects/models.py:607
+#: taiga/projects/models.py:681
 msgid "is closed"
 msgstr ""
 
@@ -1564,120 +1619,132 @@ msgstr ""
 msgid "The estimated start must be previous to the estimated finish."
 msgstr ""
 
-#: taiga/projects/milestones/validators.py:12
-msgid "There's no sprint with that id"
+#: taiga/projects/milestones/validators.py:33
+msgid "There's no milestone with that id"
 msgstr ""
 
-#: taiga/projects/mixins/blocked.py:30
+#: taiga/projects/mixins/blocked.py:31
 msgid "is blocked"
 msgstr ""
 
-#: taiga/projects/mixins/ordering.py:48
+#: taiga/projects/mixins/ordering.py:49
 #, python-brace-format
 msgid "'{param}' parameter is mandatory"
 msgstr ""
 
-#: taiga/projects/mixins/ordering.py:52
+#: taiga/projects/mixins/ordering.py:53
 msgid "'project' parameter is mandatory"
 msgstr ""
 
-#: taiga/projects/models.py:78
+#: taiga/projects/models.py:75
 msgid "email"
 msgstr ""
 
-#: taiga/projects/models.py:80
+#: taiga/projects/models.py:77
 msgid "create at"
 msgstr ""
 
-#: taiga/projects/models.py:82 taiga/users/models.py:155
+#: taiga/projects/models.py:79 taiga/users/models.py:154
 msgid "token"
 msgstr ""
 
-#: taiga/projects/models.py:88
+#: taiga/projects/models.py:85
 msgid "invitation extra text"
 msgstr ""
 
-#: taiga/projects/models.py:91
+#: taiga/projects/models.py:88 taiga/projects/models.py:733
 msgid "user order"
 msgstr ""
 
-#: taiga/projects/models.py:101
+#: taiga/projects/models.py:104
 msgid "The user is already member of the project"
 msgstr ""
 
-#: taiga/projects/models.py:116
-msgid "default points"
+#: taiga/projects/models.py:111
+msgid "default epic status"
 msgstr ""
 
-#: taiga/projects/models.py:120
+#: taiga/projects/models.py:115
 msgid "default US status"
 msgstr ""
 
-#: taiga/projects/models.py:124
+#: taiga/projects/models.py:118
+msgid "default points"
+msgstr ""
+
+#: taiga/projects/models.py:122
 msgid "default task status"
 msgstr ""
 
-#: taiga/projects/models.py:127
+#: taiga/projects/models.py:125
 msgid "default priority"
 msgstr ""
 
-#: taiga/projects/models.py:130
+#: taiga/projects/models.py:128
 msgid "default severity"
 msgstr ""
 
-#: taiga/projects/models.py:134
+#: taiga/projects/models.py:132
 msgid "default issue status"
 msgstr ""
 
-#: taiga/projects/models.py:138
+#: taiga/projects/models.py:136
 msgid "default issue type"
 msgstr ""
 
-#: taiga/projects/models.py:154
+#: taiga/projects/models.py:152
 msgid "logo"
 msgstr ""
 
-#: taiga/projects/models.py:164
+#: taiga/projects/models.py:162
 msgid "members"
 msgstr ""
 
-#: taiga/projects/models.py:167
+#: taiga/projects/models.py:165
 msgid "total of milestones"
 msgstr ""
 
-#: taiga/projects/models.py:168
+#: taiga/projects/models.py:166
 msgid "total story points"
 msgstr ""
 
-#: taiga/projects/models.py:171 taiga/projects/models.py:698
+#: taiga/projects/models.py:169 taiga/projects/models.py:744
+msgid "active epics panel"
+msgstr ""
+
+#: taiga/projects/models.py:171 taiga/projects/models.py:746
 msgid "active backlog panel"
 msgstr ""
 
-#: taiga/projects/models.py:173 taiga/projects/models.py:700
+#: taiga/projects/models.py:173 taiga/projects/models.py:748
 msgid "active kanban panel"
 msgstr ""
 
-#: taiga/projects/models.py:175 taiga/projects/models.py:702
+#: taiga/projects/models.py:175 taiga/projects/models.py:750
 msgid "active wiki panel"
 msgstr ""
 
-#: taiga/projects/models.py:177 taiga/projects/models.py:704
+#: taiga/projects/models.py:177 taiga/projects/models.py:752
 msgid "active issues panel"
 msgstr ""
 
-#: taiga/projects/models.py:180 taiga/projects/models.py:707
+#: taiga/projects/models.py:180 taiga/projects/models.py:755
 msgid "videoconference system"
 msgstr ""
 
-#: taiga/projects/models.py:182 taiga/projects/models.py:709
+#: taiga/projects/models.py:182 taiga/projects/models.py:757
 msgid "videoconference extra data"
 msgstr ""
 
-#: taiga/projects/models.py:187
+#: taiga/projects/models.py:188
 msgid "creation template"
 msgstr ""
 
-#: taiga/projects/models.py:191
+#: taiga/projects/models.py:191 taiga/users/admin.py:62
+msgid "is private"
+msgstr ""
+
+#: taiga/projects/models.py:193
 msgid "anonymous permissions"
 msgstr ""
 
@@ -1685,169 +1752,251 @@ msgstr ""
 msgid "user permissions"
 msgstr ""
 
-#: taiga/projects/models.py:198 taiga/users/admin.py:61
-msgid "is private"
-msgstr ""
-
-#: taiga/projects/models.py:201
+#: taiga/projects/models.py:198
 msgid "is featured"
 msgstr ""
 
-#: taiga/projects/models.py:204
+#: taiga/projects/models.py:201
 msgid "is looking for people"
 msgstr ""
 
-#: taiga/projects/models.py:206
+#: taiga/projects/models.py:203
 msgid "loking for people note"
 msgstr ""
 
-#: taiga/projects/models.py:218
-msgid "tags colors"
-msgstr ""
-
-#: taiga/projects/models.py:221
+#: taiga/projects/models.py:217
 msgid "project transfer token"
 msgstr ""
 
-#: taiga/projects/models.py:225
+#: taiga/projects/models.py:221
 msgid "blocked code"
 msgstr ""
 
-#: taiga/projects/models.py:229 taiga/projects/notifications/models.py:65
+#: taiga/projects/models.py:225 taiga/projects/notifications/models.py:66
 msgid "updated date time"
 msgstr ""
 
-#: taiga/projects/models.py:232 taiga/projects/models.py:244
-#: taiga/projects/votes/models.py:29
+#: taiga/projects/models.py:228 taiga/projects/models.py:240
+#: taiga/projects/votes/models.py:30
 msgid "count"
 msgstr ""
 
-#: taiga/projects/models.py:235
+#: taiga/projects/models.py:231
 msgid "fans last week"
 msgstr ""
 
-#: taiga/projects/models.py:238
+#: taiga/projects/models.py:234
 msgid "fans last month"
 msgstr ""
 
-#: taiga/projects/models.py:241
+#: taiga/projects/models.py:237
 msgid "fans last year"
 msgstr ""
 
-#: taiga/projects/models.py:247
+#: taiga/projects/models.py:243
 msgid "activity last week"
 msgstr ""
 
-#: taiga/projects/models.py:250
+#: taiga/projects/models.py:246
 msgid "activity last month"
 msgstr ""
 
-#: taiga/projects/models.py:253
+#: taiga/projects/models.py:249
 msgid "activity last year"
 msgstr ""
 
-#: taiga/projects/models.py:467
+#: taiga/projects/models.py:499
 msgid "modules config"
 msgstr ""
 
-#: taiga/projects/models.py:486
+#: taiga/projects/models.py:551
 msgid "is archived"
 msgstr ""
 
-#: taiga/projects/models.py:488 taiga/projects/models.py:550
-#: taiga/projects/models.py:583 taiga/projects/models.py:606
-#: taiga/projects/models.py:633 taiga/projects/models.py:664
-#: taiga/users/models.py:140
-msgid "color"
-msgstr ""
-
-#: taiga/projects/models.py:490
+#: taiga/projects/models.py:555
 msgid "work in progress limit"
 msgstr ""
 
-#: taiga/projects/models.py:521 taiga/userstorage/models.py:32
+#: taiga/projects/models.py:583 taiga/userstorage/models.py:33
 msgid "value"
 msgstr ""
 
-#: taiga/projects/models.py:695
+#: taiga/projects/models.py:741
 msgid "default owner's role"
 msgstr ""
 
-#: taiga/projects/models.py:711
+#: taiga/projects/models.py:759
 msgid "default options"
 msgstr ""
 
-#: taiga/projects/models.py:712
+#: taiga/projects/models.py:760
+msgid "epic statuses"
+msgstr ""
+
+#: taiga/projects/models.py:761
 msgid "us statuses"
 msgstr ""
 
-#: taiga/projects/models.py:713 taiga/projects/userstories/models.py:42
-#: taiga/projects/userstories/models.py:74
+#: taiga/projects/models.py:762 taiga/projects/userstories/models.py:43
+#: taiga/projects/userstories/models.py:76
 msgid "points"
 msgstr ""
 
-#: taiga/projects/models.py:714
+#: taiga/projects/models.py:763
 msgid "task statuses"
 msgstr ""
 
-#: taiga/projects/models.py:715
+#: taiga/projects/models.py:764
 msgid "issue statuses"
 msgstr ""
 
-#: taiga/projects/models.py:716
+#: taiga/projects/models.py:765
 msgid "issue types"
 msgstr ""
 
-#: taiga/projects/models.py:717
+#: taiga/projects/models.py:766
 msgid "priorities"
 msgstr ""
 
-#: taiga/projects/models.py:718
+#: taiga/projects/models.py:767
 msgid "severities"
 msgstr ""
 
-#: taiga/projects/models.py:719
+#: taiga/projects/models.py:768
 msgid "roles"
 msgstr ""
 
-#: taiga/projects/notifications/choices.py:29
+#: taiga/projects/notifications/choices.py:30
 msgid "Involved"
 msgstr ""
 
-#: taiga/projects/notifications/choices.py:30
+#: taiga/projects/notifications/choices.py:31
 msgid "All"
 msgstr ""
 
-#: taiga/projects/notifications/choices.py:31
+#: taiga/projects/notifications/choices.py:32
 msgid "None"
 msgstr ""
 
-#: taiga/projects/notifications/models.py:63
+#: taiga/projects/notifications/models.py:64
 msgid "created date time"
 msgstr ""
 
-#: taiga/projects/notifications/models.py:67
+#: taiga/projects/notifications/models.py:68
 msgid "history entries"
 msgstr ""
 
-#: taiga/projects/notifications/models.py:70
+#: taiga/projects/notifications/models.py:71
 msgid "notify users"
 msgstr ""
 
-#: taiga/projects/notifications/models.py:92
 #: taiga/projects/notifications/models.py:93
+#: taiga/projects/notifications/models.py:94
 msgid "Watched"
 msgstr ""
 
-#: taiga/projects/notifications/services.py:64
-#: taiga/projects/notifications/services.py:78
+#: taiga/projects/notifications/services.py:65
+#: taiga/projects/notifications/services.py:79
 msgid "Notify exists for specified user and project"
 msgstr ""
 
-#: taiga/projects/notifications/services.py:427
+#: taiga/projects/notifications/services.py:425
 msgid "Invalid value for notify level"
 msgstr ""
 
+#: taiga/projects/notifications/templates/emails/epics/epic-change-body-html.jinja:4
+#, python-format
+msgid ""
+"\n"
+"    <h1>Epic updated</h1>\n"
+"    <p>Hello %(user)s, <br> %(changer)s has updated a epic on %(project)s</"
+"p>\n"
+"    <p>Epic #%(ref)s %(subject)s</p>\n"
+"    <a class=\"button\" href=\"%(url)s\" title=\"See Epic #%(ref)s: "
+"%(subject)s in Taiga\">See epic</a>\n"
+"    "
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-change-body-text.jinja:3
+#, python-format
+msgid ""
+"\n"
+"Epic updated\n"
+"Hello %(user)s, %(changer)s has updated a epic on %(project)s\n"
+"See epic #%(ref)s %(subject)s at %(url)s\n"
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-change-subject.jinja:1
+#, python-format
+msgid ""
+"\n"
+"[%(project)s] Updated the epic #%(ref)s \"%(subject)s\"\n"
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-create-body-html.jinja:4
+#, python-format
+msgid ""
+"\n"
+"    <h1>New epic created</h1>\n"
+"    <p>Hello %(user)s,<br />%(changer)s has created a new epic on "
+"%(project)s</p>\n"
+"    <p>Epic #%(ref)s %(subject)s</p>\n"
+"    <a class=\"button\" href=\"%(url)s\" title=\"See Epic #%(ref)s "
+"%(subject)s\">See epic</a>\n"
+"    <p><small>The Taiga Team</small></p>\n"
+"    "
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-create-body-text.jinja:1
+#, python-format
+msgid ""
+"\n"
+"New epic created\n"
+"Hello %(user)s, %(changer)s has created a new epic on %(project)s\n"
+"See epic #%(ref)s %(subject)s at %(url)s\n"
+"\n"
+"---\n"
+"The Taiga Team\n"
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-create-subject.jinja:1
+#, python-format
+msgid ""
+"\n"
+"[%(project)s] Created the epic #%(ref)s \"%(subject)s\"\n"
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-delete-body-html.jinja:4
+#, python-format
+msgid ""
+"\n"
+"    <h1>Epic deleted</h1>\n"
+"    <p>Hello %(user)s,<br />%(changer)s has deleted a epic on %(project)s</"
+"p>\n"
+"    <p>Epic #%(ref)s %(subject)s</p>\n"
+"    <p><small>The Taiga Team</small></p>\n"
+"    "
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-delete-body-text.jinja:1
+#, python-format
+msgid ""
+"\n"
+"Epic deleted\n"
+"Hello %(user)s, %(changer)s has deleted a epic on %(project)s\n"
+"Epic #%(ref)s %(subject)s\n"
+"\n"
+"---\n"
+"The Taiga Team\n"
+msgstr ""
+
+#: taiga/projects/notifications/templates/emails/epics/epic-delete-subject.jinja:1
+#, python-format
+msgid ""
+"\n"
+"[%(project)s] Deleted the epic #%(ref)s \"%(subject)s\"\n"
+msgstr ""
+
 #: taiga/projects/notifications/templates/emails/issues/issue-change-body-html.jinja:4
 #, python-format
 msgid ""
@@ -2319,141 +2468,135 @@ msgid ""
 "[%(project)s] Deleted the Wiki Page \"%(page)s\"\n"
 msgstr ""
 
-#: taiga/projects/notifications/validators.py:47
+#: taiga/projects/notifications/validators.py:48
 msgid "Watchers contains invalid users"
 msgstr ""
 
-#: taiga/projects/occ/mixins.py:36
+#: taiga/projects/occ/mixins.py:37
 msgid "The version must be an integer"
 msgstr ""
 
-#: taiga/projects/occ/mixins.py:59
+#: taiga/projects/occ/mixins.py:60
 msgid "The version parameter is not valid"
 msgstr ""
 
-#: taiga/projects/occ/mixins.py:75
+#: taiga/projects/occ/mixins.py:76
 msgid "The version doesn't match with the current one"
 msgstr ""
 
-#: taiga/projects/occ/mixins.py:94
+#: taiga/projects/occ/mixins.py:95
 msgid "version"
 msgstr ""
 
-#: taiga/projects/permissions.py:40
+#: taiga/projects/permissions.py:44
 msgid ""
 "You can't leave the project if you are the owner or there are no more admins"
 msgstr ""
 
-#: taiga/projects/serializers.py:172
-msgid "Email address is already taken"
+#: taiga/projects/services/members.py:118
+msgid "Project without owner"
 msgstr ""
 
-#: taiga/projects/serializers.py:184
-msgid "Invalid role for the project"
-msgstr ""
-
-#: taiga/projects/serializers.py:195
-msgid "The project owner must be admin."
-msgstr ""
-
-#: taiga/projects/serializers.py:198
-msgid "At least one user must be an active admin for this project."
-msgstr ""
-
-#: taiga/projects/serializers.py:396
-msgid "Default options"
-msgstr ""
-
-#: taiga/projects/serializers.py:397
-msgid "User story's statuses"
-msgstr ""
-
-#: taiga/projects/serializers.py:398
-msgid "Points"
-msgstr ""
-
-#: taiga/projects/serializers.py:399
-msgid "Task's statuses"
-msgstr ""
-
-#: taiga/projects/serializers.py:400
-msgid "Issue's statuses"
-msgstr ""
-
-#: taiga/projects/serializers.py:401
-msgid "Issue's types"
-msgstr ""
-
-#: taiga/projects/serializers.py:402
-msgid "Priorities"
-msgstr ""
-
-#: taiga/projects/serializers.py:403
-msgid "Severities"
-msgstr ""
-
-#: taiga/projects/serializers.py:404
-msgid "Roles"
-msgstr ""
-
-#: taiga/projects/services/members.py:116
+#: taiga/projects/services/members.py:123
 msgid "You have reached your current limit of memberships for private projects"
 msgstr ""
 
-#: taiga/projects/services/members.py:120
+#: taiga/projects/services/members.py:127
 msgid "You have reached your current limit of memberships for public projects"
 msgstr ""
 
-#: taiga/projects/services/projects.py:69
-#: taiga/projects/services/projects.py:106 taiga/users/services.py:582
+#: taiga/projects/services/projects.py:94
+#: taiga/projects/services/projects.py:134 taiga/users/services.py:581
 msgid "You can't have more private projects"
 msgstr ""
 
-#: taiga/projects/services/projects.py:73
-#: taiga/projects/services/projects.py:110 taiga/users/services.py:585
+#: taiga/projects/services/projects.py:98
+#: taiga/projects/services/projects.py:138 taiga/users/services.py:584
 msgid ""
 "This project reaches your current limit of memberships for private projects"
 msgstr ""
 
-#: taiga/projects/services/projects.py:77
-#: taiga/projects/services/projects.py:114 taiga/users/services.py:589
+#: taiga/projects/services/projects.py:102
+#: taiga/projects/services/projects.py:142 taiga/users/services.py:588
 msgid "You can't have more public projects"
 msgstr ""
 
-#: taiga/projects/services/projects.py:81
-#: taiga/projects/services/projects.py:118 taiga/users/services.py:592
+#: taiga/projects/services/projects.py:106
+#: taiga/projects/services/projects.py:146 taiga/users/services.py:591
 msgid ""
 "This project reaches your current limit of memberships for public projects"
 msgstr ""
 
-#: taiga/projects/services/stats.py:196
+#: taiga/projects/services/stats.py:197
 msgid "Future sprint"
 msgstr ""
 
-#: taiga/projects/services/stats.py:216
+#: taiga/projects/services/stats.py:217
 msgid "Project End"
 msgstr ""
 
-#: taiga/projects/services/transfer.py:61
-#: taiga/projects/services/transfer.py:68
-#: taiga/projects/services/transfer.py:71 taiga/users/api.py:169
-#: taiga/users/api.py:174
+#: taiga/projects/services/transfer.py:62
+#: taiga/projects/services/transfer.py:69
+#: taiga/projects/services/transfer.py:72 taiga/users/api.py:186
+#: taiga/users/api.py:191
 msgid "Token is invalid"
 msgstr ""
 
-#: taiga/projects/services/transfer.py:66
+#: taiga/projects/services/transfer.py:67
 msgid "Token has expired"
 msgstr ""
 
-#: taiga/projects/tasks/api.py:113 taiga/projects/tasks/api.py:122
+#: taiga/projects/tagging/fields.py:52
+#, python-brace-format
+msgid "Invalid tag '{value}'. The color is not a valid HEX color or null."
+msgstr ""
+
+#: taiga/projects/tagging/fields.py:55
+#, python-brace-format
+msgid ""
+"Invalid tag '{value}'. it must be the name or a pair '[\"name\", \"hex color/"
+"\" | null]'."
+msgstr ""
+
+#: taiga/projects/tagging/fields.py:77
+#, python-brace-format
+msgid "Invalid tag '{value}'. It must be the tag name."
+msgstr ""
+
+#: taiga/projects/tagging/models.py:27
+msgid "tags"
+msgstr ""
+
+#: taiga/projects/tagging/models.py:35
+msgid "tags colors"
+msgstr ""
+
+#: taiga/projects/tagging/validators.py:47
+#: taiga/projects/tagging/validators.py:74
+msgid "This tag already exists."
+msgstr ""
+
+#: taiga/projects/tagging/validators.py:54
+#: taiga/projects/tagging/validators.py:81
+msgid "The color is not a valid HEX color."
+msgstr ""
+
+#: taiga/projects/tagging/validators.py:67
+#: taiga/projects/tagging/validators.py:92
+#: taiga/projects/tagging/validators.py:105
+#: taiga/projects/tagging/validators.py:112
+msgid "The tag doesn't exist."
+msgstr ""
+
+#: taiga/projects/tasks/api.py:94 taiga/projects/tasks/api.py:103
 msgid "You don't have permissions to set this sprint to this task."
 msgstr ""
 
-#: taiga/projects/tasks/api.py:116
+#: taiga/projects/tasks/api.py:97
 msgid "You don't have permissions to set this user story to this task."
 msgstr ""
 
-#: taiga/projects/tasks/api.py:119
+#: taiga/projects/tasks/api.py:100
 msgid "You don't have permissions to set this status to this task."
 msgstr ""
 
@@ -2469,8 +2612,34 @@ msgstr ""
 msgid "is iocaine"
 msgstr ""
 
-#: taiga/projects/tasks/validators.py:12
-msgid "There's no task with that id"
+#: taiga/projects/tasks/validators.py:59
+msgid "Invalid milestone id."
+msgstr ""
+
+#: taiga/projects/tasks/validators.py:70
+msgid "Invalid task status id."
+msgstr ""
+
+#: taiga/projects/tasks/validators.py:83
+msgid "Invalid user story id."
+msgstr ""
+
+#: taiga/projects/tasks/validators.py:107
+msgid "Invalid task status id. The status must belong to the same project."
+msgstr ""
+
+#: taiga/projects/tasks/validators.py:121
+msgid "Invalid user story id. The user story must belong to the same project."
+msgstr ""
+
+#: taiga/projects/tasks/validators.py:133
+msgid "Invalid milestone id. The milestone must belong to the same project."
+msgstr ""
+
+#: taiga/projects/tasks/validators.py:150
+msgid ""
+"Invalid task ids. All tasks must belong to the same project and, if it "
+"exists, to the same status, user story and/or milestone."
 msgstr ""
 
 #: taiga/projects/templates/emails/membership_invitation-body-html.jinja:6
@@ -2812,12 +2981,12 @@ msgid ""
 msgstr ""
 
 #. Translators: Name of scrum project template.
-#: taiga/projects/translations.py:29
+#: taiga/projects/translations.py:30
 msgid "Scrum"
 msgstr ""
 
 #. Translators: Description of scrum project template.
-#: taiga/projects/translations.py:31
+#: taiga/projects/translations.py:32
 msgid ""
 "The agile product backlog in Scrum is a prioritized features list, "
 "containing short descriptions of all functionality desired in the product. "
@@ -2828,12 +2997,12 @@ msgid ""
 msgstr ""
 
 #. Translators: Name of kanban project template.
-#: taiga/projects/translations.py:34
+#: taiga/projects/translations.py:35
 msgid "Kanban"
 msgstr ""
 
 #. Translators: Description of kanban project template.
-#: taiga/projects/translations.py:36
+#: taiga/projects/translations.py:37
 msgid ""
 "Kanban is a method for managing knowledge work with an emphasis on just-in-"
 "time delivery while not overloading the team members. In this approach, the "
@@ -2842,303 +3011,388 @@ msgid ""
 msgstr ""
 
 #. Translators: User story point value (value = undefined)
-#: taiga/projects/translations.py:44
+#: taiga/projects/translations.py:45
 msgid "?"
 msgstr ""
 
 #. Translators: User story point value (value = 0)
-#: taiga/projects/translations.py:46
+#: taiga/projects/translations.py:47
 msgid "0"
 msgstr ""
 
 #. Translators: User story point value (value = 0.5)
-#: taiga/projects/translations.py:48
+#: taiga/projects/translations.py:49
 msgid "1/2"
 msgstr ""
 
 #. Translators: User story point value (value = 1)
-#: taiga/projects/translations.py:50
+#: taiga/projects/translations.py:51
 msgid "1"
 msgstr ""
 
 #. Translators: User story point value (value = 2)
-#: taiga/projects/translations.py:52
+#: taiga/projects/translations.py:53
 msgid "2"
 msgstr ""
 
 #. Translators: User story point value (value = 3)
-#: taiga/projects/translations.py:54
+#: taiga/projects/translations.py:55
 msgid "3"
 msgstr ""
 
 #. Translators: User story point value (value = 5)
-#: taiga/projects/translations.py:56
+#: taiga/projects/translations.py:57
 msgid "5"
 msgstr ""
 
 #. Translators: User story point value (value = 8)
-#: taiga/projects/translations.py:58
+#: taiga/projects/translations.py:59
 msgid "8"
 msgstr ""
 
 #. Translators: User story point value (value = 10)
-#: taiga/projects/translations.py:60
+#: taiga/projects/translations.py:61
 msgid "10"
 msgstr ""
 
 #. Translators: User story point value (value = 13)
-#: taiga/projects/translations.py:62
+#: taiga/projects/translations.py:63
 msgid "13"
 msgstr ""
 
 #. Translators: User story point value (value = 20)
-#: taiga/projects/translations.py:64
+#: taiga/projects/translations.py:65
 msgid "20"
 msgstr ""
 
 #. Translators: User story point value (value = 40)
-#: taiga/projects/translations.py:66
+#: taiga/projects/translations.py:67
 msgid "40"
 msgstr ""
 
 #. Translators: User story status
 #. Translators: Task status
 #. Translators: Issue status
-#: taiga/projects/translations.py:74 taiga/projects/translations.py:97
-#: taiga/projects/translations.py:113
+#: taiga/projects/translations.py:75 taiga/projects/translations.py:98
+#: taiga/projects/translations.py:114
 msgid "New"
 msgstr ""
 
 #. Translators: User story status
-#: taiga/projects/translations.py:77
+#: taiga/projects/translations.py:78
 msgid "Ready"
 msgstr ""
 
 #. Translators: User story status
 #. Translators: Task status
 #. Translators: Issue status
-#: taiga/projects/translations.py:80 taiga/projects/translations.py:99
-#: taiga/projects/translations.py:115
+#: taiga/projects/translations.py:81 taiga/projects/translations.py:100
+#: taiga/projects/translations.py:116
 msgid "In progress"
 msgstr ""
 
 #. Translators: User story status
 #. Translators: Task status
 #. Translators: Issue status
-#: taiga/projects/translations.py:83 taiga/projects/translations.py:101
-#: taiga/projects/translations.py:117
+#: taiga/projects/translations.py:84 taiga/projects/translations.py:102
+#: taiga/projects/translations.py:118
 msgid "Ready for test"
 msgstr ""
 
 #. Translators: User story status
-#: taiga/projects/translations.py:86
+#: taiga/projects/translations.py:87
 msgid "Done"
 msgstr ""
 
 #. Translators: User story status
-#: taiga/projects/translations.py:89
+#: taiga/projects/translations.py:90
 msgid "Archived"
 msgstr ""
 
 #. Translators: Task status
 #. Translators: Issue status
-#: taiga/projects/translations.py:103 taiga/projects/translations.py:119
+#: taiga/projects/translations.py:104 taiga/projects/translations.py:120
 msgid "Closed"
 msgstr ""
 
 #. Translators: Task status
 #. Translators: Issue status
-#: taiga/projects/translations.py:105 taiga/projects/translations.py:121
+#: taiga/projects/translations.py:106 taiga/projects/translations.py:122
 msgid "Needs Info"
 msgstr ""
 
 #. Translators: Issue status
-#: taiga/projects/translations.py:123
+#: taiga/projects/translations.py:124
 msgid "Postponed"
 msgstr ""
 
 #. Translators: Issue status
-#: taiga/projects/translations.py:125
+#: taiga/projects/translations.py:126
 msgid "Rejected"
 msgstr ""
 
 #. Translators: Issue type
-#: taiga/projects/translations.py:133
+#: taiga/projects/translations.py:134
 msgid "Bug"
 msgstr ""
 
 #. Translators: Issue type
-#: taiga/projects/translations.py:135
+#: taiga/projects/translations.py:136
 msgid "Question"
 msgstr ""
 
 #. Translators: Issue type
-#: taiga/projects/translations.py:137
+#: taiga/projects/translations.py:138
 msgid "Enhancement"
 msgstr ""
 
 #. Translators: Issue priority
-#: taiga/projects/translations.py:145
+#: taiga/projects/translations.py:146
 msgid "Low"
 msgstr ""
 
 #. Translators: Issue priority
 #. Translators: Issue severity
-#: taiga/projects/translations.py:147 taiga/projects/translations.py:160
+#: taiga/projects/translations.py:148 taiga/projects/translations.py:161
 msgid "Normal"
 msgstr ""
 
 #. Translators: Issue priority
-#: taiga/projects/translations.py:149
+#: taiga/projects/translations.py:150
 msgid "High"
 msgstr ""
 
 #. Translators: Issue severity
-#: taiga/projects/translations.py:156
+#: taiga/projects/translations.py:157
 msgid "Wishlist"
 msgstr ""
 
 #. Translators: Issue severity
-#: taiga/projects/translations.py:158
+#: taiga/projects/translations.py:159
 msgid "Minor"
 msgstr ""
 
 #. Translators: Issue severity
-#: taiga/projects/translations.py:162
+#: taiga/projects/translations.py:163
 msgid "Important"
 msgstr ""
 
 #. Translators: Issue severity
-#: taiga/projects/translations.py:164
+#: taiga/projects/translations.py:165
 msgid "Critical"
 msgstr ""
 
 #. Translators: User role
-#: taiga/projects/translations.py:171
+#: taiga/projects/translations.py:172
 msgid "UX"
 msgstr ""
 
 #. Translators: User role
-#: taiga/projects/translations.py:173
+#: taiga/projects/translations.py:174
 msgid "Design"
 msgstr ""
 
 #. Translators: User role
-#: taiga/projects/translations.py:175
+#: taiga/projects/translations.py:176
 msgid "Front"
 msgstr ""
 
 #. Translators: User role
-#: taiga/projects/translations.py:177
+#: taiga/projects/translations.py:178
 msgid "Back"
 msgstr ""
 
 #. Translators: User role
-#: taiga/projects/translations.py:179
+#: taiga/projects/translations.py:180
 msgid "Product Owner"
 msgstr ""
 
 #. Translators: User role
-#: taiga/projects/translations.py:181
+#: taiga/projects/translations.py:182
 msgid "Stakeholder"
 msgstr ""
 
-#: taiga/projects/userstories/api.py:163
+#: taiga/projects/userstories/api.py:116
 msgid "You don't have permissions to set this sprint to this user story."
 msgstr ""
 
-#: taiga/projects/userstories/api.py:167
+#: taiga/projects/userstories/api.py:120
 msgid "You don't have permissions to set this status to this user story."
 msgstr ""
 
-#: taiga/projects/userstories/api.py:267
+#: taiga/projects/userstories/api.py:210
+#, python-brace-format
+msgid "Invalid role id '{role_id}'"
+msgstr ""
+
+#: taiga/projects/userstories/api.py:217
+#, python-brace-format
+msgid "Invalid points id '{points_id}'"
+msgstr ""
+
+#: taiga/projects/userstories/api.py:232
 #, python-brace-format
 msgid "Generating the user story #{ref} - {subject}"
 msgstr ""
 
-#: taiga/projects/userstories/models.py:39
+#: taiga/projects/userstories/api.py:293
+msgid "ref param is needed"
+msgstr ""
+
+#: taiga/projects/userstories/api.py:296
+msgid "project or project_slug param is needed"
+msgstr ""
+
+#: taiga/projects/userstories/models.py:40
 msgid "role"
 msgstr ""
 
-#: taiga/projects/userstories/models.py:77
+#: taiga/projects/userstories/models.py:79
 msgid "backlog order"
 msgstr ""
 
-#: taiga/projects/userstories/models.py:79
 #: taiga/projects/userstories/models.py:81
 msgid "sprint order"
 msgstr ""
 
-#: taiga/projects/userstories/models.py:89
+#: taiga/projects/userstories/models.py:83
+msgid "kanban order"
+msgstr ""
+
+#: taiga/projects/userstories/models.py:91
 msgid "finish date"
 msgstr ""
 
-#: taiga/projects/userstories/models.py:97
-msgid "is client requirement"
-msgstr ""
-
-#: taiga/projects/userstories/models.py:99
-msgid "is team requirement"
-msgstr ""
-
-#: taiga/projects/userstories/models.py:104
+#: taiga/projects/userstories/models.py:106
 msgid "generated from issue"
 msgstr ""
 
-#: taiga/projects/userstories/validators.py:29
+#: taiga/projects/userstories/validators.py:43
 msgid "There's no user story with that id"
 msgstr ""
 
-#: taiga/projects/validators.py:29
+#: taiga/projects/userstories/validators.py:82
+#: taiga/projects/userstories/validators.py:108
+msgid ""
+"Invalid user story status id. The status must belong to the same project."
+msgstr ""
+
+#: taiga/projects/userstories/validators.py:120
+msgid "Invalid milestone id. The milistone must belong to the same project."
+msgstr ""
+
+#: taiga/projects/userstories/validators.py:135
+msgid ""
+"Invalid user story ids. All stories must belong to the same project and, if "
+"it exists, to the same status and milestone."
+msgstr ""
+
+#: taiga/projects/userstories/validators.py:159
+msgid "The milestone isn't valid for the project"
+msgstr ""
+
+#: taiga/projects/userstories/validators.py:169
+msgid "All the user stories must be from the same project"
+msgstr ""
+
+#: taiga/projects/validators.py:61
 msgid "There's no project with that id"
 msgstr ""
 
-#: taiga/projects/validators.py:38
-msgid "There's no user story status with that id"
+#: taiga/projects/validators.py:142
+msgid "Email address is already taken"
 msgstr ""
 
-#: taiga/projects/validators.py:47
-msgid "There's no task status with that id"
+#: taiga/projects/validators.py:154
+msgid "Invalid role for the project"
 msgstr ""
 
-#: taiga/projects/votes/models.py:32 taiga/projects/votes/models.py:33
-#: taiga/projects/votes/models.py:57
+#: taiga/projects/validators.py:165
+msgid "The project owner must be admin."
+msgstr ""
+
+#: taiga/projects/validators.py:169
+msgid "At least one user must be an active admin for this project."
+msgstr ""
+
+#: taiga/projects/validators.py:201
+msgid "Invalid role ids. All roles must belong to the same project."
+msgstr ""
+
+#: taiga/projects/validators.py:225
+msgid "Default options"
+msgstr ""
+
+#: taiga/projects/validators.py:226
+msgid "User story's statuses"
+msgstr ""
+
+#: taiga/projects/validators.py:227
+msgid "Points"
+msgstr ""
+
+#: taiga/projects/validators.py:228
+msgid "Task's statuses"
+msgstr ""
+
+#: taiga/projects/validators.py:229
+msgid "Issue's statuses"
+msgstr ""
+
+#: taiga/projects/validators.py:230
+msgid "Issue's types"
+msgstr ""
+
+#: taiga/projects/validators.py:231
+msgid "Priorities"
+msgstr ""
+
+#: taiga/projects/validators.py:232
+msgid "Severities"
+msgstr ""
+
+#: taiga/projects/validators.py:233
+msgid "Roles"
+msgstr ""
+
+#: taiga/projects/votes/models.py:33 taiga/projects/votes/models.py:34
+#: taiga/projects/votes/models.py:58
 msgid "Votes"
 msgstr ""
 
-#: taiga/projects/votes/models.py:56
+#: taiga/projects/votes/models.py:57
 msgid "Vote"
 msgstr ""
 
-#: taiga/projects/wiki/api.py:70
+#: taiga/projects/wiki/api.py:77
 msgid "'content' parameter is mandatory"
 msgstr ""
 
-#: taiga/projects/wiki/api.py:73
+#: taiga/projects/wiki/api.py:80
 msgid "'project_id' parameter is mandatory"
 msgstr ""
 
-#: taiga/projects/wiki/models.py:38
+#: taiga/projects/wiki/models.py:41
 msgid "last modifier"
 msgstr ""
 
-#: taiga/projects/wiki/models.py:71
+#: taiga/projects/wiki/models.py:74
 msgid "href"
 msgstr ""
 
-#: taiga/timeline/signals.py:68
+#: taiga/timeline/signals.py:63
 msgid "Check the history API for the exact diff"
 msgstr ""
 
-#: taiga/users/admin.py:38
+#: taiga/users/admin.py:39
 msgid "Project Member"
 msgstr ""
 
-#: taiga/users/admin.py:39
+#: taiga/users/admin.py:40
 msgid "Project Members"
 msgstr ""
 
-#: taiga/users/admin.py:49
+#: taiga/users/admin.py:50
 msgid "id"
 msgstr ""
 
@@ -3166,145 +3420,137 @@ msgstr ""
 msgid "Important dates"
 msgstr ""
 
-#: taiga/users/api.py:113
+#: taiga/users/api.py:123
 msgid "Duplicated email"
 msgstr ""
 
-#: taiga/users/api.py:115
+#: taiga/users/api.py:125
 msgid "Not valid email"
 msgstr ""
 
-#: taiga/users/api.py:148
+#: taiga/users/api.py:165
 msgid "Invalid username or email"
 msgstr ""
 
-#: taiga/users/api.py:157
+#: taiga/users/api.py:174
 msgid "Mail sended successful!"
 msgstr ""
 
-#: taiga/users/api.py:195
+#: taiga/users/api.py:212
 msgid "Current password parameter needed"
 msgstr ""
 
-#: taiga/users/api.py:198
+#: taiga/users/api.py:215
 msgid "New password parameter needed"
 msgstr ""
 
-#: taiga/users/api.py:201
+#: taiga/users/api.py:218
 msgid "Invalid password length at least 6 charaters needed"
 msgstr ""
 
-#: taiga/users/api.py:204
+#: taiga/users/api.py:221
 msgid "Invalid current password"
 msgstr ""
 
-#: taiga/users/api.py:251 taiga/users/api.py:257
+#: taiga/users/api.py:268 taiga/users/api.py:274
 msgid ""
 "Invalid, are you sure the token is correct and you didn't use it before?"
 msgstr ""
 
-#: taiga/users/api.py:284 taiga/users/api.py:292 taiga/users/api.py:295
+#: taiga/users/api.py:301 taiga/users/api.py:309 taiga/users/api.py:312
 msgid "Invalid, are you sure the token is correct?"
 msgstr ""
 
-#: taiga/users/models.py:96
+#: taiga/users/models.py:95
 msgid "superuser status"
 msgstr ""
 
-#: taiga/users/models.py:97
+#: taiga/users/models.py:96
 msgid ""
 "Designates that this user has all permissions without explicitly assigning "
 "them."
 msgstr ""
 
-#: taiga/users/models.py:127
+#: taiga/users/models.py:126
 msgid "username"
 msgstr ""
 
-#: taiga/users/models.py:128
+#: taiga/users/models.py:127
 msgid ""
 "Required. 30 characters or fewer. Letters, numbers and /./-/_ characters"
 msgstr ""
 
-#: taiga/users/models.py:131
+#: taiga/users/models.py:130
 msgid "Enter a valid username."
 msgstr ""
 
-#: taiga/users/models.py:134
+#: taiga/users/models.py:133
 msgid "active"
 msgstr ""
 
-#: taiga/users/models.py:135
+#: taiga/users/models.py:134
 msgid ""
 "Designates whether this user should be treated as active. Unselect this "
 "instead of deleting accounts."
 msgstr ""
 
-#: taiga/users/models.py:141
+#: taiga/users/models.py:140
 msgid "biography"
 msgstr ""
 
-#: taiga/users/models.py:144
+#: taiga/users/models.py:143
 msgid "photo"
 msgstr ""
 
-#: taiga/users/models.py:145
+#: taiga/users/models.py:144
 msgid "date joined"
 msgstr ""
 
-#: taiga/users/models.py:147
+#: taiga/users/models.py:146
 msgid "default language"
 msgstr ""
 
-#: taiga/users/models.py:149
+#: taiga/users/models.py:148
 msgid "default theme"
 msgstr ""
 
-#: taiga/users/models.py:151
+#: taiga/users/models.py:150
 msgid "default timezone"
 msgstr ""
 
-#: taiga/users/models.py:153
+#: taiga/users/models.py:152
 msgid "colorize tags"
 msgstr ""
 
-#: taiga/users/models.py:158
+#: taiga/users/models.py:157
 msgid "email token"
 msgstr ""
 
-#: taiga/users/models.py:160
+#: taiga/users/models.py:159
 msgid "new email address"
 msgstr ""
 
-#: taiga/users/models.py:167
+#: taiga/users/models.py:166
 msgid "max number of owned private projects"
 msgstr ""
 
-#: taiga/users/models.py:170
+#: taiga/users/models.py:169
 msgid "max number of owned public projects"
 msgstr ""
 
-#: taiga/users/models.py:173
+#: taiga/users/models.py:172
 msgid "max number of memberships for each owned private project"
 msgstr ""
 
-#: taiga/users/models.py:177
+#: taiga/users/models.py:176
 msgid "max number of memberships for each owned public project"
 msgstr ""
 
-#: taiga/users/models.py:297
+#: taiga/users/models.py:296
 msgid "permissions"
 msgstr ""
 
-#: taiga/users/serializers.py:65
-msgid "invalid"
-msgstr ""
-
-#: taiga/users/serializers.py:76
-msgid "Invalid username. Try with a different one."
-msgstr ""
-
-#: taiga/users/services.py:53 taiga/users/services.py:70
+#: taiga/users/services.py:51 taiga/users/services.py:68
 msgid "Username or password does not matches user."
 msgstr ""
 
@@ -3425,47 +3671,51 @@ msgstr ""
 msgid "You've been Taigatized!"
 msgstr ""
 
-#: taiga/users/validators.py:30
-msgid "There's no role with that id"
+#: taiga/users/validators.py:45
+msgid "invalid"
 msgstr ""
 
-#: taiga/userstorage/api.py:51
+#: taiga/users/validators.py:56
+msgid "Invalid username. Try with a different one."
+msgstr ""
+
+#: taiga/userstorage/api.py:53
 msgid ""
 "Duplicate key value violates unique constraint. Key '{}' already exists."
 msgstr ""
 
-#: taiga/userstorage/models.py:31
+#: taiga/userstorage/models.py:32
 msgid "key"
 msgstr ""
 
-#: taiga/webhooks/models.py:29 taiga/webhooks/models.py:39
+#: taiga/webhooks/models.py:30 taiga/webhooks/models.py:40
 msgid "URL"
 msgstr ""
 
-#: taiga/webhooks/models.py:30
+#: taiga/webhooks/models.py:31
 msgid "secret key"
 msgstr ""
 
-#: taiga/webhooks/models.py:40
+#: taiga/webhooks/models.py:41
 msgid "status code"
 msgstr ""
 
-#: taiga/webhooks/models.py:41
+#: taiga/webhooks/models.py:42
 msgid "request data"
 msgstr ""
 
-#: taiga/webhooks/models.py:42
+#: taiga/webhooks/models.py:43
 msgid "request headers"
 msgstr ""
 
-#: taiga/webhooks/models.py:43
+#: taiga/webhooks/models.py:44
 msgid "response data"
 msgstr ""
 
-#: taiga/webhooks/models.py:44
+#: taiga/webhooks/models.py:45
 msgid "response headers"
 msgstr ""
 
-#: taiga/webhooks/models.py:45
+#: taiga/webhooks/models.py:46
 msgid "duration"
 msgstr ""