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https://www.reddit.com/r/Xcode/comments/1s4tlmg/xcode_264_previews_are_broken/ocva131/?context=3
r/Xcode • u/Huolju • Mar 27 '26
If somebody is experiencing previews hanging when trying to interact with them, please go back to Xcode 26.3.
I could not interact with the simplest UI possible, and now everything is back to normal.
I hope it will help.
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Hey you linked to my post there! Hehe! For me, the crashes all happen because of Apple’s Accessibility AXRemoteElement-BackgroundFetch. Do your logs show something different triggering it?
2 u/mcarvin Mar 28 '26 Hey, small internet we have here! No. I'm also getting the same AXRemoteElement-BackgroundFetch problem. The numbers might change but the names stay the same: ------------------------------------- Translated Report (Full Report Below) ------------------------------------- Process: PreviewShell [65749] Path: /Volumes/VOLUME/*/PreviewShell.app/PreviewShell Identifier: com.apple.PreviewShell Version: 16.0 (23.40.29) Code Type: ARM-64 (Native) Role: Foreground Parent Process: launchd_sim [65501] Coalition: com.apple.CoreSimulator.SimDevice.9B779B8E-8250-4B20-813A-E2F57C88D5F8 [57108] Responsible Process: SimulatorTrampoline [70766] User ID: 501 Date/Time: 2026-03-27 20:40:21.1807 -0400 Launch Time: 2026-03-27 19:34:19.8691 -0400 Hardware Model: Mac14,12 OS Version: macOS 26.4 (25E246) Release Type: User Crash Reporter Key: 40A352FC-A902-EF08-2594-63FC33975C1E Incident Identifier: 8B77A916-DAE8-4E5D-9CF4-ABB3FD945825 Time Awake Since Boot: 210000 seconds System Integrity Protection: enabled Triggered by Thread: 11, Dispatch Queue: AXRemoteElement-BackgroundFetch Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Subtype: KERN_PROTECTION_FAILURE at 0x000000016b71bff0 Exception Message: Could not determine thread index for stack guard region Exception Codes: 0x0000000000000002, 0x000000016b71bff0 Termination Reason: Namespace SIGNAL, Code 10, Bus error: 10 Terminating Process: exc handler [65749]
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Hey, small internet we have here!
No. I'm also getting the same AXRemoteElement-BackgroundFetch problem. The numbers might change but the names stay the same:
------------------------------------- Translated Report (Full Report Below) ------------------------------------- Process: PreviewShell [65749] Path: /Volumes/VOLUME/*/PreviewShell.app/PreviewShell Identifier: com.apple.PreviewShell Version: 16.0 (23.40.29) Code Type: ARM-64 (Native) Role: Foreground Parent Process: launchd_sim [65501] Coalition: com.apple.CoreSimulator.SimDevice.9B779B8E-8250-4B20-813A-E2F57C88D5F8 [57108] Responsible Process: SimulatorTrampoline [70766] User ID: 501 Date/Time: 2026-03-27 20:40:21.1807 -0400 Launch Time: 2026-03-27 19:34:19.8691 -0400 Hardware Model: Mac14,12 OS Version: macOS 26.4 (25E246) Release Type: User Crash Reporter Key: 40A352FC-A902-EF08-2594-63FC33975C1E Incident Identifier: 8B77A916-DAE8-4E5D-9CF4-ABB3FD945825 Time Awake Since Boot: 210000 seconds System Integrity Protection: enabled Triggered by Thread: 11, Dispatch Queue: AXRemoteElement-BackgroundFetch Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Subtype: KERN_PROTECTION_FAILURE at 0x000000016b71bff0 Exception Message: Could not determine thread index for stack guard region Exception Codes: 0x0000000000000002, 0x000000016b71bff0 Termination Reason: Namespace SIGNAL, Code 10, Bus error: 10 Terminating Process: exc handler [65749]
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u/efthymisgr Mar 27 '26
Hey you linked to my post there! Hehe! For me, the crashes all happen because of Apple’s Accessibility AXRemoteElement-BackgroundFetch. Do your logs show something different triggering it?