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OpenCode v1.17.9

Released · OpenCode / SST

Models:Adds GLM 5.2

What the release notes say

Core

Bugfixes

  • Honor configured agent step limits by forcing a final text response instead of failing mid-run.
  • Fix Devstral model detection when provider IDs use different casing. (@Robin1987China)
  • Pass configured custom headers to Copilot model requests.

Improvements

  • Add high and max thinking variants for GLM-5.2 across supported providers. (@imranshaiedi-byte)
  • Stop wrapping follow-up user messages in a steering reminder so prompt caching stays effective.

TUI

Bugfixes

  • Only show the background subagent shortcut when the server supports it.

Thank you to 4 community contributors:

  • @Grantmartin2002:

    • fix(core): fix command docs in customize-opencode skill (#32718)
  • @Robin1987China:

    • fix(opencode): use toLowerCase for Devstral model detection (#33109)
  • @kimnamu:

    • fix(experimental llm pkg): forward topK to Converse via additionalModelRequestFields (#33030)
  • @imranshaiedi-byte:

    • feat(opencode): expose High/Max thinking variants for GLM-5.2 (#32446)