Xcode 6.3.2 BUG: Edit interface Skipping problem

Just upgraded Xcode to 6.3.2 today, the result is that when you write Swift, the interface has a variety of problems, a line of code is gone, a whole screen without code, a will suddenly jump from here to there ... I can't bear it. It was later known that the issue was a custom theme. When a custom theme: font size inconsistencies appear bold italic

This problem can occur, so the solution is very simple, directly select the system default theme , or the custom theme font size set to the same as all italic and bold removed

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