Merge branch 'docs/issues-multiple-assignees' into 'master'

Add to docs: issues multiple assignees

Closes gitlab-ee#2440 and #32574

See merge request !11556

doc/user/project/issues/index.md

@@ -49,6 +49,10 @@ Read through the [documentation on creating issues](create_new_issue.md).
 
 Read through the distinct ways to [close issues](closing_issues.md) on GitLab.
 
+## Create a merge request from an issue
+
+Learn more about it on the [GitLab Issues Functionalities documentation](issues_functionalities.md#18-new-merge-request).
+
 ## Search for an issue
 
 Learn how to [find an issue](../../search/index.md) by searching for and filtering them.

doc/user/project/issues/issues_functionalities.md

@@ -6,7 +6,7 @@ Please read through the [GitLab Issue Documentation](index.md) for an overview o
 
 The image bellow illustrates how an issue looks like:
 
-![Issue view](img/issues_main_view_numbered.png)
+![Issue view](img/issues_main_view_numbered.jpg)
 
 You can find all the information on that issue on one screen.
 
@@ -38,6 +38,21 @@ it's reassigned to someone else to take it from there.
 if a user is not member of that project, it can only be
 assigned to them if they created the issue themselves.
 
+##### 3.1. Multiple Assignees (EES/EEP)
+
+Issue Weights are only available in [GitLab Enterprise Edition](https://about.gitlab.com/gitlab-ee/).
+
+Often multiple people likely work on the same issue together,
+which can especially be difficult to track in large teams
+where there is shared ownership of an issue.
+
+In GitLab Enterprise Edition, you can also select multiple assignees
+to an issue.
+
+> **Note:**
+Multiple Assignees was [introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/1904)
+in [GitLab Enterprise Edition 9.2](https://about.gitlab.com/2017/05/22/gitlab-9-2-released/#multiple-assignees-for-issues).
+
 #### 4. Milestone
 
 - Select a [milestone](../milestones/index.md) to attribute that issue to.
@@ -150,8 +165,9 @@ Once you wrote your comment, you can either:
 - Click "Start discussion": start a thread within that issue's thread to discuss specific points.
 - Click "Comment and close issue": post your comment and close that issue in one click.
 
-#### 18. New branch
+#### 18. New Merge Request
 
-- [New branch](../repository/web_editor.md#create-a-new-branch-from-an-issue):
-create a new branch, followed by a new merge request which will automatically close that
-issue as soon as that merge request is merged.
+- Create a new merge request (with a new source branch named after the issue) in one action.
+The merge request will automatically close that issue as soon as merged.
+- Optionally, you can just create a [new branch](../repository/web_editor.md#create-a-new-branch-from-an-issue)
+named after that issue.