The Repository Browser permits users to explore the repository similar to browsing a folder in Finder or Windows Explorer.
Go to the Git menu in Jira then select Repository browser (or specific repository if it appears in the Git menu.)
The Repository Browser page is displayed. Click a repository to view its contents.
Enable/disable this feature via:
Connect to Git Repository wizard
Connect to Git Repository ➜ Advanced setup
Apps/Applications ➜ Git repositories ➜ Actions ➜ Edit repository
More on Integration basics
Connecting to a git host account via Add new integration panel
Connecting to a single git repository (HTTPS | SSH)
Link git commits to Jira issues (Basics)
Using the Repository Browser (this page)