Chrome_IOThread SIGTRAP crash

“This is a native application crash, not an error reported by the application under test.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/codex/issues/19824/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Quiet. No reports in the last two weeks, down from 2 a week at the late-October peak.

Desktop app crashes with Chrome_IOThread SIGTRAP on macOS. The whole foreground app exits unexpectedly with EXC_BREAKPOINT (SIGTRAP) on Chrome_IOThread, interrupting work; the exact triggering action has not been isolated.

Is this your bug?

File my report

Where: macOS desktop app
Error text: Exception: EXC_BREAKPOINT (SIGTRAP)
Versions: 26.928.21956
Platforms: macOS

Part of: macOS desktop app SIGTRAP crashes6 bugs

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Large PDF preview crashes app2 people

Not quite your bug?

Desktop app browser-process crash3 people

Original reports3, newest first

Oct 21, 2026[macOS 27.0.1] Repeated ChatGPT/Codex Chrome_IOThread SIGTRAP crashes during UI QA (26.1013.40934)On GitHub#55909
Oct 20, 2026[macOS Desktop 26.1013.40934] Five Chrome_IOThread SIGTRAP crashes; navigation lag persists after restart and MCP isolationOn GitHub#55467
Oct 8, 2026macOS: ChatGPT/Codex desktop 26.928.21956 repeatedly crashes on Chrome_IOThread (SIGTRAP; 4 occurrences)On GitHub#51992