OpenCode 1.18.34

Released Sep 30, 2026 · official source

Safe to upgrade? Looks safe

0 bug/regression-labelled issues opened in the 72h after release (0 regression-flagged, 0 mention v1.18.34 in title). Normalised score 0.0.

How this is computed

Changelog: v1.18.34

Core

Bugfixes

Send namespaced session and parent-session identity headers with model requests.
Re-sign locally compiled macOS binaries so they run reliably on macOS 27+. (@ryangamerdev)
Sign macOS CLI release binaries with a Developer ID.

Thank you to 3 community contributors:

@dc85:
docs(web): correct GPT 6.1 Sol cache pricing (#52176)
@metal-huang:
fix(tui): use path.sep for plugin name extraction in /status dialog (#52328)
@ryangamerdev:
fix(opencode): ad-hoc re-sign darwin binaries after local compile (#52183)