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Assistants/OpenCode

OpenCode

OpenCode / SST · cli agent · free

Open-source AI coding agent for the terminal.

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Config files OpenCode has changed

Config you own — hooks, permission rules, MCP servers, settings — that releases below state a change to. Counted from the release notes we track, newest change first. How a harness is layered.

permission rules1 change · 2 releases touched it · latest Sep 1, 2026 · v1.18.26 ↗

Release signals

OpenCodev1.18.15Aug 7, 2026

Chronological message ordering now stays correct even when imported or legacy message IDs are out of order.

  • Revert and fork actions now use real message chronology instead of message ID ordering.
  • Truncation cleanup now removes stale files by file timestamp more reliably.
  • Repeated compaction now keeps earlier tool-call history in summaries instead of dropping orphaned results.
  • Blob-based attachments now load correctly in the web UI. (@rexdotsh)
  • Added much broader locale coverage across the desktop app.
  • Export full session transcripts as JSON from the UI.
  • +12 more changes
Read the full release note

Core

Bugfixes

  • Chronological message ordering now stays correct even when imported or legacy message IDs are out of order.
  • Revert and fork actions now use real message chronology instead of message ID ordering.
  • Truncation cleanup now removes stale files by file timestamp more reliably.
  • Repeated compaction now keeps earlier tool-call history in summaries instead of dropping orphaned results.
  • Blob-based attachments now load correctly in the web UI. (@rexdotsh)

Desktop

Improvements

  • Added much broader locale coverage across the desktop app.
  • Export full session transcripts as JSON from the UI.

Bugfixes

  • Session timelines now respect chronological message boundaries more reliably.
  • Stored messages now stay ordered by creation time.
  • Session lists now sort by persisted activity time more reliably.
  • Language names now stay native in the locale picker.
  • Filled in missing translations across existing locales.

Thank you to 3 community contributors:

  • @rexdotsh:

    • fix(server): allow blob attachments in web UI (#40692)
  • @ayubun:

    • fix(tui): support copying over ssh with set-clipboard on tmux config (#30472)
  • @dangooddd:

Excerpt ends here — this release continues at the source ↗.

Primary source ↗
OpenCodev1.18.14Aug 5, 2026

Simplified xAI login to a single device-code flow that works better in headless and remote environments.

  • Preserved structured mid-stream provider errors so compatible providers can retry failed responses.
  • Retried more transient provider and network errors instead of failing immediately.
  • Counted cache writes in ACP usage totals.
  • Logged remote workspace 5xx response bodies in the host logs to make proxy failures easier to debug. (@jamesmurdza)
  • Stopped sending the host `directory` path to remote workspaces so prompts resolve from the remote project root. (@jamesmurdza)
  • +5 more changes
Read the full release note

Core

Improvements

  • Simplified xAI login to a single device-code flow that works better in headless and remote environments.

Bugfixes

  • Preserved structured mid-stream provider errors so compatible providers can retry failed responses.
  • Retried more transient provider and network errors instead of failing immediately.
  • Counted cache writes in ACP usage totals.
  • Logged remote workspace 5xx response bodies in the host logs to make proxy failures easier to debug. (@jamesmurdza)
  • Stopped sending the host directory path to remote workspaces so prompts resolve from the remote project root. (@jamesmurdza)
  • Waited for queued ACP session updates before ending a turn.

Thank you to 1 community contributor:

  • @jamesmurdza:
    • fix(server): don't forward host directory to remote workspace (#40136)

    • fix(server): log upstream 5xx bodies from proxied workspace requests (#40135)

Primary source ↗
OpenCodev1.18.13Aug 4, 2026

GitHub pull request reviews now include the pull request number and URL in context.

  • Fixed several right-to-left layout issues across tabs, drawers, resizing, and titlebar interactions.
  • Fixed shared right-to-left UI behavior such as directional icons and drawer placement.
  • Sessions without titles now fall back to generated names instead of appearing blank.
  • Moved markdown parsing off the main thread to keep the app more responsive while rendering messages.
  • Localized more desktop UI copy, including native menus, update dialogs, and help content.
  • +6 more changes
Read the full release note

TUI

Bugfixes

  • GitHub pull request reviews now include the pull request number and URL in context.

Desktop

Bugfixes

  • Fixed several right-to-left layout issues across tabs, drawers, resizing, and titlebar interactions.
  • Fixed shared right-to-left UI behavior such as directional icons and drawer placement.
  • Sessions without titles now fall back to generated names instead of appearing blank.
  • Moved markdown parsing off the main thread to keep the app more responsive while rendering messages.

Improvements

  • Localized more desktop UI copy, including native menus, update dialogs, and help content.
  • Added early right-to-left layout support across the app and session views.
  • Added locale-aware plural rules so translated counts and summaries read correctly.
  • Expanded translation coverage and added more supported desktop languages.

Thank you to 1 community contributor:

  • @amypoolside:
    • docs: add Poolside provider setup (#39187)
Primary source ↗
OpenCodev1.18.12Aug 4, 2026

Fixed Azure GPT-5.5+ completion requests failing when reasoning is enabled. (@frederiknsgo)

  • Reduced composer lag when drafts include large pasted images or attachments.
  • Let project search match any known recent project instead of only the first five. (@NumerousJLs)
  • Cleared stale assistant errors from the timeline once the same turn resumes streaming.
  • Skipped legacy config reads against v2 servers to avoid spurious config loading issues. (@resetsix)
  • **Thank you to 4 community contributors:**
  • @resetsix:
  • fix(app): skip legacy config reads for v2 (#40211)
  • @NumerousJLs:
  • +5 more changes
Read the full release note

Core

Bugfixes

  • Fixed Azure GPT-5.5+ completion requests failing when reasoning is enabled. (@frederiknsgo)

Desktop

Bugfixes

  • Reduced composer lag when drafts include large pasted images or attachments.
  • Let project search match any known recent project instead of only the first five. (@NumerousJLs)
  • Cleared stale assistant errors from the timeline once the same turn resumes streaming.
  • Skipped legacy config reads against v2 servers to avoid spurious config loading issues. (@resetsix)

Thank you to 4 community contributors:

  • @resetsix:

    • fix(app): skip legacy config reads for v2 (#40211)
  • @NumerousJLs:

    • fix(app): search every known project in the open project dialog (#40202)
  • @MagnumGoYB:

    • docs: remove obsolete vouch system section (#40266)
  • @frederiknsgo:

    • fix: gpt-5.5+ in combination with azure fails with reasoningEffort (#40265)
Primary source ↗
OpenCodev1.18.11Aug 1, 2026

Stopped MCP SSE connections from getting stuck in reconnect loops after server error responses.

  • Fixed provider model configs that use interleaved reasoning fields like `reasoning_text` or custom field names.
  • Open external links in the system browser instead of inside the app.
  • Fixed stale session tab state in the desktop title bar. (@OpeOginni)
  • Open the legacy directory picker at your home folder when no home path is loaded yet.
  • Prevent the file tree tab from clipping when resized smaller. (@OpeOginni)
  • Fixed debug gutter labels and values misaligning.
  • +7 more changes
Read the full release note

Core

Bugfixes

  • Stopped MCP SSE connections from getting stuck in reconnect loops after server error responses.
  • Fixed provider model configs that use interleaved reasoning fields like reasoning_text or custom field names.

Desktop

Bugfixes

  • Open external links in the system browser instead of inside the app.
  • Fixed stale session tab state in the desktop title bar. (@OpeOginni)
  • Open the legacy directory picker at your home folder when no home path is loaded yet.
  • Prevent the file tree tab from clipping when resized smaller. (@OpeOginni)
  • Fixed debug gutter labels and values misaligning.

Thank you to 2 community contributors:

  • @devennavani:

    • docs: add Modal provider setup (#39710)
  • @OpeOginni:

    • fix(app): prevent file tree tab clipping (#39770)

    • fix(app): prevent stale session tab reads (#39767)

    • fix(app): prevent stale prompt control reads (#39842)

Primary source ↗
OpenCodev1.18.10Jul 30, 2026

Discover available Modal models automatically. (@devennavani)

  • Prevent adding the same attachment more than once.
  • Always show the new session button.
  • Improve toast notifications with better stacking, dismissal, and mobile layout.
  • Refine tab hover, active, and overflow states.
  • Repair malformed saved tabs so broken tab state no longer persists across launches. (@OpeOginni)
  • Hide the model variant selector until model data finishes loading.
  • Preserve the custom agent picker for existing users.
  • **Thank you to 3 community contributors:**
  • @lakshyaag-tavily:
  • +5 more changes
Read the full release note

Core

  • Discover available Modal models automatically. (@devennavani)

Desktop

Improvements

  • Prevent adding the same attachment more than once.
  • Always show the new session button.
  • Improve toast notifications with better stacking, dismissal, and mobile layout.
  • Refine tab hover, active, and overflow states.

Bugfixes

  • Repair malformed saved tabs so broken tab state no longer persists across launches. (@OpeOginni)
  • Hide the model variant selector until model data finishes loading.
  • Preserve the custom agent picker for existing users.

Thank you to 3 community contributors:

  • @lakshyaag-tavily:

    • docs(ecosystem): add opencode-tavily plugin (#38709)
  • @devennavani:

    • feat: discover Modal models (#39066)
  • @OpeOginni:

    • fix(app): repair malformed persisted tabs (#39645)
Primary source ↗
OpenCodev1.18.9Jul 28, 2026

Restored compatibility with legacy MCP SDK clients.

  • Fixed a Solid cleanup crash that could break navigation in the desktop app.
  • Fixed home session loading so the session list can update without suspending the whole page.
  • Removed the extra vertical borders from the V2 home projects view.
  • Added an opt-in V2 desktop sidecar backed by the bundled CLI service.
  • Added collapsible model provider sections in V2 settings.
  • **Thank you to 1 community contributor:**
  • @roborew:
  • fix(desktop): patch @dnd-kit/solid to preserve core scroll plugins (#38119)
Primary source ↗
OpenCodev1.18.8Jul 28, 2026

Improved compatibility with newer MCP servers and OAuth flows.

  • Reconnects MCP servers after expired SDK sessions, including concurrent requests.
  • Honors configured MCP OAuth callback ports in `mcp debug`.
  • Stops sending deprecated sampling defaults to newer Gemini models.
  • Added a shortcut to open the project selector in new sessions.
  • Tab keyboard navigation now follows the visible tab order.
  • Opening files now expands Windows folders with trailing separators.
  • Server status uses blue when an integration needs attention.
  • +10 more changes
Read the full release note

Core

Improvements

  • Improved compatibility with newer MCP servers and OAuth flows.

Bugfixes

  • Reconnects MCP servers after expired SDK sessions, including concurrent requests.
  • Honors configured MCP OAuth callback ports in mcp debug.
  • Stops sending deprecated sampling defaults to newer Gemini models.

Desktop

Improvements

  • Added a shortcut to open the project selector in new sessions.

Bugfixes

  • Tab keyboard navigation now follows the visible tab order.
  • Opening files now expands Windows folders with trailing separators.
  • Server status uses blue when an integration needs attention.
  • Provider connection state now refreshes immediately after changes.
  • Linux packages now install AppStream metadata. (@develop7)
  • Local desktop runs now use the channel database.
  • Prevents freezes when closing projects from the home view.
  • Prevents the right panel from freezing the session view while loading.

Thank you to 2 community contributors:

  • @OpeOginni:

    • fix(core): correct MCP environment field in built-in skill (#39175)
  • @develop7:

    • fix(desktop): install AppStream metainfo in Linux packages (#36872)
Primary source ↗
OpenCodev1.18.7Jul 27, 2026

Remove the extra titlebar inset in fullscreen on macOS.

  • Keep command palette entries from reappearing incorrectly when shadowed commands are removed.
  • Add scrolling to the project selector dropdown when the list is long. (@david1gp)
  • **Thank you to 2 community contributors:**
  • @ProdigyRahul:
  • fix(ui): keep mutable selects open (#39027)
  • @david1gp:
  • fix(app): add scroll to project selector dropdown (#39016)
Primary source ↗
OpenCodev1.18.6Jul 27, 2026

Fixed branch-specific repository caches so refreshing one reference no longer moves another branch checkout.

  • Improved compatibility with the newer client API across directory, project, session, and terminal flows.
  • Fixed legacy MCP state refreshing when opening a V1 workspace.
  • Fixed provider lists not refreshing after connecting a provider or finishing provider OAuth on V1 servers.
Primary source ↗
OpenCodev1.18.5Jul 24, 2026

Improve Claude adaptive thinking handling across more response shapes.

  • Avoid OpenAI Responses phase handling that could break some conversations.
  • Preserve grep symlink paths in search results. (@remixz)
  • Preserve Mistral reasoning history across turns.
  • Stabilize Mistral prompt caching.
  • Use the correct prompt cache keys for each SDK.
  • Fix MiniMax M3 thinking variant selection.
  • Support the current server terminal transport.
  • Support current-server review data in the desktop app.
  • Update server discovery flows for current servers.
  • +19 more changes
Read the full release note

Core

Bugfixes

  • Improve Claude adaptive thinking handling across more response shapes.
  • Avoid OpenAI Responses phase handling that could break some conversations.
  • Preserve grep symlink paths in search results. (@remixz)
  • Preserve Mistral reasoning history across turns.
  • Stabilize Mistral prompt caching.
  • Use the correct prompt cache keys for each SDK.
  • Fix MiniMax M3 thinking variant selection.

Desktop

Improvements

  • Support the current server terminal transport.
  • Support current-server review data in the desktop app.
  • Update server discovery flows for current servers.
  • Support current-server session actions, including prompts and commands.
  • Render current-server session timelines.
  • Stream current-server events in the desktop app.
  • Detect legacy and current servers so the desktop app can work with both.

Bugfixes

  • Restore optimistic timeline updates while responses are still streaming.
  • Hide legacy-only features when connected to current servers.
  • Preserve inline file mentions when sending prompts to legacy servers.
  • Stop auto-accepting config permissions on current servers.
  • Keep current servers out of the legacy layout.

Excerpt ends here — this release continues at the source ↗.

Primary source ↗
OpenCodepr-38252-videosJul 22, 2026

PR #38252 verification videos

Before/after verification recordings for PR #38252.Primary source ↗
OpenCodepr-37967-screenshots-finalJul 20, 2026

PR #37967 screenshots (final)

Final visual evidence for PR #37967.Primary source ↗
OpenCodepr-37967-screenshots-v2Jul 20, 2026

PR #37967 final screenshots

Final visual evidence for PR #37967.Primary source ↗
OpenCodepr-37967-screenshotsJul 20, 2026

PR #37967 screenshots

Visual evidence for PR #37967.Primary source ↗

Polled sources

[site] OpenCode site

html · every 720m

https://opencode.ai

[github-releases] GitHub Releases

github_releases · every 180m

https://github.com/sst/opencode/releases