I've seen this problem reported since SourceTree 2.7 and I can't believe it's still not fixed in 2+ years, therefore I hope I'm doing something wrong.
SourceTree consumes all of MacBook's CPU while doing exactly nothing.
1) Open SourceTree
2) Open a Repository (BigBucket connected - I don't know if this matters?)
3) Do exactly nothing
4) Watch the CPU consumption to grow and grow above >200% - untilt the MacBook's fan goes crazy
I had been dealing with this issue for way too long and and finally found a solution.
1. Close SourceTree
2. Install Github Desktop - https://desktop.github.com/
3. Never use SourceTree again
It's unfortunate that this issue hasn't fixed by Atlassian. SourceTree is a great app but this is a deal breaker. I can't continue living in fear that my idle Git client is going to start using 120%+ cpu every time I have it open (aka always).
I was having the same issue forever. I found this:
Read down to the part about Keychain. I had a bad account in my keychain, and it was causing these exact CPU issues. Removed the bad entries in Keychain, and now everything is just fine.
Ok folks, I solved it in an unusual way, not suitable for everyone but wanted to share.
I got super-frustrated about Atlassian because there is no way to contact their customer support and Atlassian stuff is absolutely unresponsive in this forum.
A week ago I stopped using SourceTree and shifted to Visual Studio code with Git History plugin. It works excellent for me. Not only have I solved my CPU problem but I also got some more features that I've been waiting for for long-long time, such as:
Thanks to the community driven nature of VSCode plugins it's much more actively developed than the abandoned SourceTree.
I think it is a no way back for me.
I'm stuck in my ways and I don't want to learn a new Git client right now :-). It seems that a workaround is to hide (Cmd-H) SourceTree, and the CPU usage quickly drops to 0% while hidden. Not ideal, but it soon becomes muscle memory when you stop actively looking at the SourceTree window.
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