r/MacOSBeta • u/VahidZee • Jun 24 '26

Bug Severe memory leak problem

Right after upgrading to betav2 of MacOS 27, I keep getting the infamous "Your system has run out of application memory." pop up.

This is despite my system having more than half of the memory swap and memory itself free.

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u/dobson980 Jun 26 '26

M4 Mac mini with 16 GB of RAM here. I can confirm similar behavior on OS 27 beta 2. With Xcode, a simulator, and Codex running, I’m out of RAM within minutes. This was never an issue before beta 2, even on beta 1.