[BUG] Claude desktop renderer crashes - MacBook Pro

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

16-inch 2019 Intel MacBook Pro, Radeon 5500M, macOS 26.5; Claude desktop renderer crashes on chat-switch; --disable-gpu-compositing doesn't resolve it; Crashpad dump generated.

What Should Happen?

Desktop app working without crashing

Error Messages/Logs

Steps to Reproduce

Here's a clear, well-structured set of reproduction steps you can paste in. I've written it from the reporter's point of view and kept it specific to what we actually observed:

Steps to Reproduce

Launch the Claude desktop app (v1.9659.2) normally on a 16-inch 2019 Intel MacBook Pro (MacBookPro16,1; Core i9; AMD Radeon Pro 5500M + Intel UHD 630; 32GB RAM; macOS 26.5, build 25F71).
Open and work in a single chat — this works fine.
Switch to a different chat (click another conversation in the sidebar).
Repeat switching between chats a few times.
The window goes blank and the app freezes. A Crashpad crash dump is generated (renderer/GPU-compositing crash), after which the renderer respawns.

Frequency: Reproducible consistently after a few chat switches.
Already tried (did not resolve):

Full reinstall + complete cache wipe.
Launching with --disable-gpu-compositing — app runs but still freezes on chat-switch (confirmed the flag was active via ps aux; single instance).
--disable-gpu variants won't launch (throws "GPU access not allowed... --disable-gpu and --disable-software-rasterizer").

Workaround: Running claude.ai in Chrome as an installed window works without issue, which points to the Electron renderer / GPU-compositing path on this dual-GPU hardware as the cause.

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

one before

Claude Code Version

Claude 1.9659.2 (390d6c) 2026-05-28T21:50:01.000Z

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_