Claude app crashes with EXC_BREAKPOINT on macOS 26.4.1 beta (Electron/V8 LowMemoryNotification)

Environment

• App version: 1.6608.0
• OS: macOS 26.4.1 (25E253) — Developer Beta
• Hardware: Mac15,3 (MacBook Pro, Apple Silicon)
• Binary: Universal (arm64 + x86_64 confirmed via file command)

What happened

Claude crashes approximately 4 minutes after launch with EXC_BREAKPOINT (SIGTRAP) on the main thread.

Crash details

• Exception: EXC_BREAKPOINT (SIGTRAP) — Code 5
• Faulting thread: Thread 0 CrBrowserMain / com.apple.main-thread
• Top of stack:

\\\
v8::Isolate::LowMemoryNotification()
node::AsyncWrap::~AsyncWrap()
node::PrincipalRealm::timers_callback_function()
\\\

• Incident ID: 4FD67252-DD28-45D3-BED2-769FAB931709
• Note in report: RIP register does not match crashing frame (0x121AF2327 vs 0x12E7BA1F8)

Steps to reproduce

1. Launch Claude.app on macOS 26.4.1 beta
2. Wait ~4 minutes (or use normally)
3. App crashes

Expected behavior

App runs stably without crashing.

Additional context

Disabling Beta Updates in System Settings did not immediately resolve the issue since the OS remains on 26.4.1. The crash appears related to Electron's V8 engine behavior under the macOS 26 beta environment.