OpenCode v1.18.31 restores ACP session state on resume and fork

SST

Tools official 1 src. ~1 min

OpenCode v1.18.31 (Sep 14) fixes restoration of ACP session model, effort, mode, and reasoning chunk boundaries when loading, resuming, or forking sessions, and surfaces remote config auth errors at startup. Extensions now summarize adaptive thinking for GitHub Copilot models.

Why it matters

Correct model and reasoning settings on resumed sessions matter for anyone driving OpenCode through ACP clients such as Zed.

Importance: 1/5

Patch-level release, ACP session-state fixes

Sources