2018-11-27 22:56:08 UTC
We started out using OS 10.11, but just switched to newer OS versions. 10.12 has a couple display quirks but runs OK. In 10.13 and newer, switching tabs often crashes. It gives a warning about releasing a data entry field that is already released.
In C++, we would diagnose this with a breakpoint in the destructor and then check the stack trace. But with ARC, a breakpoint at dealloc just shows performDelayedCleanup and then main. No clues to what's wrong.
Is there lore or are there tools for tracking object lifetimes in Obj-C/ARC?
Anything that changed in 10.13 that might be biting us?
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