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Xcode 5, Mountain Lion: very slow performance

Mounted Lion and Xcode5. I tried to open a project recently developed for iOS6. And now xcode is drastically slowing. Any ideas what is wrong with him?

EDIT

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He works fast with the new projects that I create. It only slows down when I open old projects.

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3 answers

Ok I found a problem. Attached screen.

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When I switch "Opens in" by default to 5, Xcode changes the user interface to the ugly design of iOS7, and xcode suddenly starts working fast, like in the good old days. Returning to 4.5 returns very slow performance. This is the guys!

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This is reminiscent of the problem I encountered with xcode 5 (also a mountain lion), typing was very slow. what helped fix this was deleting all breakpoints (I had a nice and large list of breakpoints)

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It seems that the previous windows also open, so the more you switch between the source files or the XIB, the more it will lag. I did not check the memory usage, but maybe it launched me from RAM, as I have limited freedom with my Windows operating system. Pretty annoying, but it works for me to close and reopen Xcode when it starts.

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Source: https://habr.com/ru/post/954524/

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