v1.102.3 6.0.8
high risk
HKUDS/Vibe-TradingAug 20, 2026 → Aug 20, 20260 days between releases
What's New
Removes LEGALIZE_JS_FFI, SOCKET_WEBRTC and deprecates WASM_BIGINT.
Breaking Changes
- Removed LEGALIZE_JS_FFI setting
- Removed SOCKET_WEBRTC setting
- Deprecated WASM_BIGINT setting
New Features
- Epoll support for legacy JS filesystem
- Level and edge-triggered modes
- EPOLLONESHOT and EPOLLEXCLUSIVE support
- Nesting support
- Blocking waits under PROXY_TO_PTHREAD, ASYNCIFY, and JSPI
Improvements
- JSPI setting is no longer considered experimental
- Comprehensive epoll support added
Upgrade Notes
Remove LEGALIZE_JS_FFI and SOCKET_WEBRTC from your configuration. Note that WASM_BIGINT is deprecated and should only be disabled implicitly via -sWASM=0.
The Two Releases
v1.102.3
v1.102.3
Aug 20, 2026· 2 months ago
Minimal release notes: "Please refer to the changelog available at https://tailscale.com/changelog"
Full release notes6.0.8
6.0.8
Aug 20, 2026· 2 months ago
Removes deprecated settings (LEGALIZE_JS_FFI, SOCKET_WEBRTC), deprecates WASM_BIGINT, and adds comprehensive epoll support for the legacy JS filesystem.
Full release notes