Build/Plan missing in 1.18.4 #38054

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1. github-actions

   assigned

   Hona

   on Jul 21, 2026
2. github-actions commented on Jul 21, 2026

   

   github-actionsBot

   on Jul 21, 2026 – with GitHub Actions

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   This issue doesn't fully meet our contributing guidelines.

   What needs to be fixed:

   • OpenCode version is not filled in (required to diagnose version-specific regressions)
   • Steps to reproduce are missing — please describe what you did so maintainers can reproduce the issue
   • Operating System and Terminal fields are empty

   Please edit this issue to address the above within 2 hours, or it will be automatically closed.

   ---

   This issue might be a duplicate of existing issues. Please check:

   • show agent toggle does not persist #37966: "show agent toggle does not persist" — same version (1.18.4), same symptom with the Show Agent toggle not persisting
   • Bug: Plan/Build mode toggle missing from chat UI after latest update #37070: "Plan/Build mode toggle missing from chat UI after latest update" — same missing Plan/Build toggle issue
   • Plan/Build mode #37970: "Plan/Build mode" — Plan/Build option missing after update

   If you believe this was flagged incorrectly, please let a maintainer know.
3. github-actions

   added

   needs:complianceThis means the issue will auto-close after 2 hours.This means the issue will auto-close after 2 hours.

   and removed

   needs:complianceThis means the issue will auto-close after 2 hours.This means the issue will auto-close after 2 hours.

   on Jul 21, 2026
4. github-actions commented on Jul 21, 2026

   

   github-actionsBot

   on Jul 21, 2026 – with GitHub Actions

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   Thanks for updating the issue! It now has a clear description and reproduction steps. We appreciate you taking the time to fill it out properly.
5. doesitmaterter commented on Jul 21, 2026

   

   doesitmaterter

   on Jul 21, 2026

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   I found a way around solution . Open up a new session from the top plus button or ctrl+t while having Settings -> General -> Scroll to the bottom -> Enable "Show Agent"

   👍React with 👍3Reacted by shootheart, lt1417863-afk and pwrlight
6. vokasug commented on Jul 23, 2026

   

   vokasug

   on Jul 23, 2026

   Last edited by vokasug

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   Same on macOS 26.5.2, Desktop 1.18.4. A bit more specific repro:

   1. Open the app
   2. Click + (new session) — fresh empty session
   3. The Plan/Build dropdown in the prompt area is not rendered until you do something else

   Workaround that makes it appear: switch to the project list in the sidebar and back to the new session — the dropdown then shows up.

   Practical consequence: when the dropdown is hidden, you can't start a new session in Plan mode, because there is no visible way to pick Plan before the first message.

   No plugins installed in my case.
7. paw-hermansen commented on Jul 23, 2026

   

   paw-hermansen

   on Jul 23, 2026

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   Same on Linux Mint 22.3, OpenCode Desktop v1.18.4. The setting "Show agent" has no visible effect.
8. doesitmaterter commented on Jul 25, 2026

   

   doesitmaterter

   on Jul 25, 2026

   Last edited by doesitmaterter

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   It's seems issue is fixed on the new version (1.18.5) so I am closing down report. Thank you dev for fixing it.
9. doesitmaterter

   closed this as completedon Jul 25, 2026