October 22, 2026
opencode 1.19.4 updates built-in Bun to 1.4.4: TLS and HTTP/2 security fixes

The Oct 22 release bumps built-in Bun to 1.4.4, with fixes across Brotli, TLS, HTTP/1.1, HTTP/2, HTTP/3, WebSocket and fetch. Root certificates are updated to NSS 3.131.1.