Not sure the downvote was called for - you didn't include that part of the UI in your screenshot, and that is a common explanation for the behavior you described.
If the search box is indeed empty, then that DOES sound like a bug, and there is nothing the users on this forum can do for you, except to direct you to file a bug report at jira.atlassian.com.
Supported Platforms macOS Windows To make using Sourcetree as simple yet powerful as possible we embed (bundle) dependencies such as Git, Git LFS, and Mercurial. We strive to keep these...
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