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Update label documentation with newer screenshots, cut long lines, and touch up the text, especially the delete label section. Also adds new screenshots for clarity
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Labels
Overview
Labels allow you to categorize issues or merge requests using descriptive titles like
bug, feature request, or docs. Each label also has a customizable color. They
allow you to quickly and dynamically filter and manage issues or merge requests you
care about, and are visible throughout GitLab in most places where issues and merge
requests are located.
Project labels and group labels
In GitLab, you can create project and group labels:
- Project labels can be assigned to issues or merge requests in that project only.
- Group labels can be assigned to any issue or merge request in any project in that group, or any subgroups of the group.
Scoped labels (PREMIUM)
Introduced in GitLab Premium 11.10.
Scoped labels allow teams to use the simple and familiar label feature to annotate their issues, merge requests, and epics to achieve custom fields and custom workflow states by leveraging a special label title syntax.
A scoped label is a kind of label defined by a special double-colon syntax
in the label’s title, using the format key::value. For example:
An issue, epic, or merge request cannot have two scoped labels with the same key.
For example, if an issue is already labeled priority::3, and then you apply the
priority::2 label to it, priority::3 is automatically removed.
This functionality is demonstrated in a video titled Use scoped labels in GitLab 11.10 for custom fields and custom workflows.
Labels with multiple colon pairs
If labels have multiple instances of ::, the longest path from left to right, until
the last ::, is considered the "key" or the "scope".
For example, nested::key1::value1 and nested::key1::value2 cannot both exist on
the same issue. Adding the latter label will automatically remove the former due to
the shared scope of nested::key1.
nested::key1::value1 and nested::key2::value1 can both exist on the same issue,
as these are considered to use two different label scopes, nested::key1 and nested::key2.
Workflows with scoped labels
Suppose you wanted a custom field in issues to track the platform operating system
that your features target, where each issue should only target one platform. You
would then create labels platform::iOS, platform::Android, platform::Linux,
etc., as necessary. Applying any one of these labels on a given issue would
automatically remove any other existing label that starts with platform::.
The same pattern could be applied to represent the workflow states of your teams.
Suppose you have the labels workflow::development, workflow::review, and
workflow::deployed. If an issue already has the label workflow::development
applied, and a developer wanted to advance the issue to workflow::review, they
would simply apply that label, and the workflow::development label would
automatically be removed. This behavior already exists when you move issues
across label lists in an issue board, but
now, team members who may not be working in an issue board directly would still
be able to advance workflow states consistently in issues themselves.
Creating labels
NOTE: Note: A permission level of Reporter or higher is required to create labels.
New project label
To create a project label, navigate to Issues > Labels in the project. This page only shows the project labels in this project, and the group labels of the project's parent group.
Click the New label button. Enter the title, an optional description, and the background color. Click Create label to create the label.
If a project has no labels, you can generate a default set of project labels from its empty label list page:
GitLab will add the following default labels to the project:
New group label
To create a group label, navigate to Issues > Labels in the group and create it from there. This page only shows group labels in this group.
Alternatively, you can create group labels from the Epic sidebar. Please note that the created label will belong to the immediate group to which the epic belongs. (ULTIMATE)
Group labels appear in every label list page of the group's child projects.
New project label from sidebar
From the sidebar of an issue or a merge request, you can create a new project label inline immediately, instead of navigating to the project label list page.
Editing labels
NOTE: Note: A permission level of Reporter or higher is required to edit labels.
To update a label, navigate to Issues > Labels in the project or group and click the pencil icon. The title, description and color can be changed.
To delete a label, click the three dots next to the Subscribe button, and select
Delete.
Promoting project labels to group labels
If you are expanding from a few projects to a larger number of projects within the same group, you may want to share the same label among multiple projects in the same group. If you previously created a project label and now want to make it available for other projects, you can promote it to a group label.
From the project label list page, you can promote a project label to a group label. This will merge all project labels with the same name into a single group label, across all projects in this group. All issues and merge requests that were previously assigned one of these project labels will now be assigned the new group label. This action cannot be reversed and the changes are permanent.
Assigning labels from the sidebar
Every issue and merge request can be assigned any number of labels. The labels are visible on every issue and merge request page, in the sidebar. They are also visible on:
- Every issue and merge request page in the sidebar.
- The issue board.
From the sidebar, you can assign or unassign a label to the object (i.e. label or unlabel it). You can also perform this as a quick action, in a comment.
| View labels in sidebar | Assign labels from sidebar |
|---|---|
 |
 |
Searching for project labels
To search for project labels, go to Issues > Labels in the left sidebar, and enter your search query in the Filter field.
GitLab will check both the label titles and descriptions for the search.
Filtering by label
The following can be filtered labels:
- Issue lists
- Merge Request lists
- Epic lists (ULTIMATE)
- Issue Boards
Filtering in list pages
-
From the project issue list page and the project merge request list page, you can filter by:
- Group labels (including subgroup ancestors)
- Project labels
-
From the group issue list page and the group merge request list page, you can filter by:
- Group labels (including subgroup ancestors and subgroup descendants)
- Project labels
-
You can filter the group epic list page by: (ULTIMATE)
- Current group labels
- Descendant group labels
Filtering in issue boards
-
From project boards, you can use the search and filter bar to filter by:
- Group labels
- Project labels
-
From group issue boards, you can use the search and filter bar to filter by group labels only. (PREMIUM)
-
From project boards, in the issue board configuration, you can filter by: (STARTER)
- Group labels
- Project labels
-
From group issue boards, in the issue board configuration, you can filter by group labels only. (STARTER)
Subscribing to labels
From the project label list page and the group label list page, you can subscribe to notifications of a given label, to alert you that the label has been assigned to an issue or merge request.
Label priority
Notes:
- Introduced in GitLab 8.9.
- Priority sorting is based on the highest priority label only. This discussion considers changing this.
Labels can have relative priorities, which are used in the "Label priority" and "Priority" sort orders of the issue and merge request list pages.
From the project label list page, star a label to indicate that it has a priority.
Drag starred labels up and down the list to change their priority. Higher in the list means higher priority. Prioritization happens at the project level, only on the project label list page, and not on the group label list page.
However, both project and group labels can be prioritized on the project label list page since both types are displayed on the project label list page.
On the merge request and issue pages, for both groups and projects, you can sort by Label priority
and Priority, which account for objects (issues and merge requests) that have prioritized
labels assigned to them.
If you sort by Label priority, GitLab considers this sort comparison order:
- Object with a higher priority prioritized label.
- Object without a prioritized label.
Ties are broken arbitrarily. Note that we only consider the highest prioritized label in an object, and not any of the lower prioritized labels. This discussion considers changing this.
If you sort by Priority, GitLab considers this sort comparison order:
- Due date of the assigned milestone is sooner, provided the object has a milestone and the milestone has a due date. If this isn't the case, consider the object having a due date in the infinite future.
- Object with a higher priority prioritized label.
- Object without a prioritized label.
Ties are broken arbitrarily.
