Cannot paste a screenshot here, will try to explain:
Tools menu/Options item opens a dialog.
On the General tab of this dialog, there is an option (3rd checkbox in the Misc section) called Check default remotes for updates every  minutes. This is the one I mean.
(I have windows, might look a bit different in the Mac version.)
I don't believe Git provides a tool for this, so SourceTree will likely not either.
Consider creating a feature request at jira.atlassian.com and posting the link to the request here as an answer. However, since Git does not support the feature, I don't expect Atlassian will either.
I think that my feature might be misunderstood.
I mean something like "pull from all repositories". So it's a matter of SourceTree not Git. How I can see this implementation is to run `git pull` for every repository with one click (in a simple loop or in seperate threads).
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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