OpenCode v1.2.19: Bun Runtime Compatibility Fixes

TL;DR

• Replaced Bun-specific APIs with Node.js equivalents across core, TUI, and desktop modules
• Added GPT-5.4 to Codex allowed models list
• Fixed stale state display in desktop app and improved file tab loading

New

• GPT-5.4 support — Added to Codex allowed models list for expanded LLM options

Fixed

• Stale show in app — Desktop app no longer displays stale state when switching sessions
• File tab loading — Tabs now load properly when opening files from the sidebar

Changed

• Bun.stderr and Bun.color — Replaced with Node.js equivalents for better runtime compatibility
• Bun.connect — Swapped for net.createConnection to improve cross-platform support
• Hash implementation — Switched from unsupported xxHash3-XXH64 to SHA1 for consistency
• Bun.write — Replaced with Filesystem utilities in config and snapshot handling
• Bun.sleep — Migrated to Node.js timers for better compatibility
• stdin reading — TUI now uses node:stream/consumers instead of Bun.stdin.text

Update with: npm install opencode@1.2.19 or check the release page for your package manager.

Source: OpenCode