There are many "Git's coolest, most unloved feature", e.g.: bisect, pickaxe, reflog, range-diff, archive, annotated tags, etc. Sadly they are often forgotten as many people thing of Git only as a glorified Google Drive...
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Shameless plug: I recently did a webinar on how the pickaxe options are better than `git-blame`) that you can find here: https://nofluffjuststuff.com/webinar/142/level_up_your_git_g... (Note: It requires you to provide an email address).