OpenCode v1.2.19

OpenCode v1.2.19 was released on .

Summary

Core - Add GPT-5.4 to Codex allowed models list (@msadiks) - Replace Bun.stderr and Bun.color with Node.js equivalents - Replace Bun.connect with net.createConnection for better compatibility - Use...

Release Context

  • This was the 52nd OpenCode release of 2026 tracked by Havoptic.
  • It shipped the same day as OpenCode v1.2.18 (March 5, 2026).

Shipped around the same time

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Release Notes

Core - Add GPT-5.4 to Codex allowed models list (@msadiks) - Replace Bun.stderr and Bun.color with Node.js equivalents - Replace Bun.connect with net.createConnection for better compatibility - Use SHA1 for hash instead of unsupported xxHash3-XXH64 - Replace Bun.hash with Hash.fast using xxhash3-xxh64 - Replace Bun.write with Filesystem.write in config files - Replace Bun.write/file with Filesystem utilities in snapshot - Replace Bun.sleep with Node.js timers for better compatibility TUI - Use node:stream/consumers for stdin reading - Replace Bun.stdin.text with Node.js stream reading for better compatibility Desktop - Fix stale show in app (@neriousy) - Remove keyboard shortcut tooltips from new session and new workspace buttons in the sidebar - Load tab when opening file Thank you to 3 community contributors: - @Seungjun0906: - fix(console): follow-up for 13108 docs/en routing and locale cookie sync (13608) - @neriousy: - fix(app): stale show (16236) - @msadiks: - feat: add "gpt-5.4" to codex allowed models list (16274)

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