You can now display pictograms on Label.

https://help.github.com/enterprise/2.13/user/articles/editing-a-label/

You can customize the label by following the steps below.

A “Team discussions” function has been added to the Team screen of the Organization.

You can discuss within the team.

https://help.github.com/enterprise/2.13/user/articles/about-team-discussions/

Team discussions can be Public or Private.

• Public Discussion allows all members of the Organization to read and write discussions.
• Only Team members and Organization Owners can view and write discussions in Private Discussion.

Notifications for Team discussions

• If you write to a public discussion, a notification will be sent to the members of the relevant team and its child teams.
• If you write to a private discussion, only the corresponding team member will be notified.
• If the team is set to Secret, members outside the team will not be notified regardless of the notification settings.

You can now add Authors to Commits and view collaborators.

https://help.github.com/enterprise/2.13/user/articles/creating-a-commit-with-multiple-authors/

Co-authors can be added at commit time on the terminal or on GitHub.

Enter one of the following formats in the Body of the Commit message.

Co-authored-by: Username <Email address of the user registered with GitHub Enterprise>

You can now configure to only allow pushes of GPG-signed commits.

Prevents invalid GPG signatures and unsigned changes from being merged.

https://help.github.com/enterprise/2.13/user/articles/about-required-commit-signing/

You can now set the avatar of the team of the organization.

It can be set in Team's “Settings”. (Required permissions: Organization Owner or Team Maintainer)

A template has been added to Projects.

Applying the template will automatically generate the [To do], [In Progress] and [Done] columns.

https://help.github.com/enterprise/2.13/user/articles/about-project-boards/

Projects now shows a progress bar.

https://help.github.com/enterprise/2.13/user/articles/tracking-progress-on-your-project-board/

Projects can now be grouped as one card and managed on other projects.

Another Project can be displayed as a nest within a Project. (It is also possible to refer to another Repository's Project)

https://help.github.com/enterprise/2.13/user/articles/about-project-boards/

Clicking on a card will take you to the referenced Project.

https://help.github.com/enterprise/2.13/user/articles/about-project-boards/

This is how to create a card that references another project.

https://help.github.com/enterprise/2.13/user/articles/about-project-boards/

You can view all Repository Projects at once in Organization's Projects.

https://help.github.com/enterprise/2.13/user/articles/about-project-boards/

Shortcut keys for Projects have been added.

You can check the list of all shortcut keys supported by Projects by entering "?" on the Projects screen.

https://help.github.com/enterprise/2.13/user/articles/locking-conversations/

Conversation Lock can now be displayed with a reason.

• You can choose from Off-topic, Too heated, Resolved, and Spam.
• You can lock Issue, Pull request, and Commit conversations.
• Users who can Lock/Unlock are Repository Owner authority, Write authority, and Collaborators.
• Users with Write permission can leave comments even in locked conversations.

https://help.github.com/enterprise/2.13/user/articles/locking-conversations/

It is now possible to list and search PHP methods and functions in the Files changed pull request.

Supported languages are now PHP, Ruby, Go, JavaScript and TestScript.
Open Step 1/2 Files changed and navigate to the target file.

https://help.github.com/enterprise/2.13/user/articles/finding-changed-methods-and-functions-in-a-pull-request/

A list of functions will be displayed in Step 2/2 Jump to…. From here you can Jump to that function.

You can now search for Topic in Repository.

https://[hostname]/search

https://help.github.com/enterprise/2.13/user/articles/searching-topics/