SST Release Notes

Core

Improvements

• Added Grok OAuth sign-in, including device-code login. (@Jaaneek)

Bugfixes

• V2 session APIs now return safe UnknownError responses with log reference IDs when stored messages are corrupt.
• Generic API 500s no longer expose config details from server errors.
• Unknown API errors now include reference IDs so you can match responses to server logs.
• V2 session APIs now return 503 ServiceUnavailableError for mutations that are not available yet.
• V2 session APIs now return SessionNotFoundError for missing sessions.
• Deduped concurrent Codex OAuth refreshes to avoid repeated refresh failures. (@cooper-oai)
• Restored native OpenAI OAuth requests.
• Tool schema failures now surface as friendly tool errors.
• Added PDF attachment support for Grok.
• Restored OpenAI reasoning streams.

TUI

Bugfixes

• Collapsed thinking labels now use clearer punctuation.
• New sessions now default to the local project.
• Single-select question checkmarks no longer run into option labels.

Desktop

Improvements

• Added a pinch zoom setting for the desktop app.
• Added a new desktop home view, session entry flow, and titlebar.
• Refined the new desktop UI and moved app update actions into the titlebar.
• Added desktop log export.

SDK

Bugfixes

• V2 global event streams now include account add, remove, and switch events.

Thank you to 3 community contributors:

@cooper-oai:

fix(opencode): dedupe concurrent Codex OAuth refreshes (#28236)

@Jaaneek:

feat(opencode): add xAI Grok OAuth (SuperGrok) + device-code login (#28557)

@kagura-agent:

fix(ui): preserve target attribute in DOMPurify config for markdown links (#28598)

Original source

Core

Improvements

Added a diff viewer in the TUI for reviewing changes.

Collapsed single-child directories in the diff viewer file tree.

Added shell mode to the run prompt.

Replaced subagent tabs with an on-demand picker in run.

Plugin file load errors no longer break the rest of plugin loading.

Anthropic API-key models now use the native runtime.

The v2 HTTP API now exposes structured public error schemas.

Bugfixes

Zed editor context now only activates inside Zed terminals.

The v2 HTTP API now exposes catalog errors.

The v2 HTTP API now exposes request errors.

The v2 OpenAPI spec now preserves endpoint error responses.

opencode login now defaults to https://console.opencode.ai.

Agent and command names now resolve correctly from relative config paths.

Invalid OPENCODE_PERMISSION JSON no longer crashes startup.

Plugin tools with missing args no longer break tool loading.

Restored legacy PgUp and PgDn TUI keybind aliases.

Native runtime now prefers the console provider token for OpenCode models.

TUI

Improvements

The diff viewer now focuses the first file automatically.

Bugfixes

Imported sessions now refresh their directory and relative path fields correctly. (@OpeOginni)

Desktop

Improvements

Added initial desktop tabs support.

Added a native app menu on Windows.

Added Ukrainian locale support. (@MYMDO)

Bugfixes

Custom providers now appear immediately after config updates. (@tianxiaoliang)

SDK

Updated opentui dependencies to 0.2.15.

Thank you to 4 community contributors:
@MYMDO:
feat(i18n): add Ukrainian (uk) locale support (#28061)
@StarpTech:
chore(team): add starptech to the team members list (#28320)
chore(docs): remove beta zen go (#28317)
chore(triage): add 'starptech' to core and inference teams (#28376)
@tianxiaoliang:
fix(app): invalidate provider queries after config update to show custom providers immediately (#28313)
@OpeOginni:
fix(opencode): Update directory and path fields of imported session (#27516)
fix(enterprise): message nav hovercard and active state (#23964)

Original source

Core

Improvements

Preview the native OpenAI runtime path behind an experimental flag

Add --replay and --replay-limit to show recent history when resuming interactive runs

Bugfixes

Fix plugin tools using ask so tool calls complete correctly

Reduce missed /event updates caused by a subscription race

Sort the v2 session list by most recently updated

TUI

Improvements

Refresh the prompt layout after pasting content

Bugfixes

Keep file references scoped to the current workspace

Preserve pasted prompt content when copying

Collapse very long tool output lines to keep the layout readable

Use a higher-contrast paste summary badge color in some themes (@kagura-agent)

Desktop

Improvements

Allow desktop notifications from the renderer

Show free-limit and usage-exceeded dialogs in Desktop

Speed up large session timelines

Bugfixes

Fix question dock overflow and message layout clipping

Hide the prompt placeholder when the input only contains whitespace (@ShrootBuck)

Sync the PWA status bar color with the active theme (@heimoshuiyu)

Install the newest available desktop update instead of reusing a stale download

Thank you to 4 community contributors:

@heimoshuiyu:

fix: sync PWA status bar theme-color with app color scheme (#28006)

@ShrootBuck:

fix(app): hide prompt placeholder for whitespace input (#28101)

@kagura-agent:

fix(tui): use contrast-aware foreground for paste summary badge (#27969)

@SpiritChen51:

fix(ui): fallback to execCommand for clipboard copy when navigator.clipboard fails (#27993)

Original source

Core

Improvements

Clarified how to recover when the npm package is installed without its native binary.

Bugfixes

Avoid duplicate consecutive entries in prompt history.

Show full config validation errors during TUI startup instead of a generic failure.

Fixed npm installs so the CLI can recover and fetch the right native binary on more setups.

Fixed multiline @ mentions in prompts.

Preserved custom tool metadata from Zod schemas.

Preserved custom tool argument descriptions in generated schemas.

Fixed file watching in repos where .git is a symlink. (@kagura-agent)

TUI

Improvements

Added a collapsed thinking view that can be expanded inline.

Added pinned sessions with quick-switch slots in the session picker.

Bugfixes

Fixed thinking mode defaults so reasoning starts collapsed consistently.

Limited session quick-switching to pinned sessions.

Fixed Markdown table rendering in chat output.

Thank you to 1 community contributor:

@kagura-agent:

fix(watcher): resolve symlinked .git path before subscribing (#27016)

Original source

Core

Improvements

Added an Effect-based core event system for more complete event delivery across sessions and integrations.

Bugfixes

Ignored invalid exports in custom tool modules instead of failing tool loading.

Ignored project instruction lookup errors so sessions keep loading when project instruction discovery fails.

Fixed versioned event projector lookups so event replay uses the right handlers.

Desktop

Improvements

Auto-hide the menu bar on Linux and Windows. (@shi-gg)

Bugfixes

Fixed archived sessions being reprocessed when their archive state did not change.

SDK

Bugfixes

Restored missing event types in the JavaScript SDK, including session and message events.

Thank you to 1 community contributor:

@shi-gg:

feat(desktop): auto-hide menu bar on Linux and Windows (#27618)

Original source

Core

Improvements

Added experimental background subagents so tasks can keep running while you continue working.

Added the required billing origin header for NVIDIA endpoints. (@nv-kasikritc)

Bugfixes

Fixed worktree creation requests that omitted the POST body.

Fixed sessions getting stuck with interrupted assistant messages after cancellation.

Fixed repeated auto-compaction in sessions after compaction reordered messages.

Updated LiteLLM compatibility to require v1.85.0-rc.2+ for current GPT-5 and tool-call behavior. (@Sameerlite)

Fixed truncated shell output streams closing cleanly.

Stopped exposing internal named defect details from the HTTP API.

Fixed Azure gpt-5.5 requests through the completions API. (@frederiknsgo)

Restored automatic image resizing for oversized image attachments.

TUI

Bugfixes

Preserved text selection when clicking question prompt options. (@nikhil-patel-whatnot)

Desktop

Improvements

Added MCP connection status for client registration and authentication, with direct re-auth flows in the app. (@OpeOginni)

Bugfixes

Fixed Windows app detection by reading where output correctly.

Extensions

Bugfixes

Fixed DigitalOcean OAuth to request only the GenAI scopes it needs. (@Spherrrical)

Thank you to 7 community contributors:

@nikhil-patel-whatnot:
fix(tui): preserve text selection on question prompt options (#24988)

@frederiknsgo:
fix: bug encountered when using azure gpt-5.5 w/ completions api (#26222)

@OpeOginni:
feat(desktop): add mcp client registration status and authentication handling (#27525)

@Sameerlite:
fix(provider): remove LiteLLM workarounds ported upstream, requires LiteLLM v1.85.0-rc.2+ (#26819)

@bo-tato:
docs(app): stale reference to removed multi-edit tool (#27579)

@Spherrrical:
fix(plugin): scope digitalocean oauth to genai (#27599)

@nv-kasikritc:
feat(provider): add NVIDIA endpoints origin header (#27394)

Original source

Core

Bugfixes

• Kept HTTP event streams open after the initial connect event so subscribers continue receiving instance updates.
• Returned proper busy errors when a session is already running prompt or shell work.
• Let invalid small_model config values fall back cleanly instead of breaking small-model selection.
• Improved missing-model errors with suggestions across CLI and typed callers.

TUI

Improvements

• Restored markdown rendering for session output by default.

SDK

Improvements

• Added instance.directory and instance.workspace query support to the v2 model and provider calls.

Original source

Core

Improvements

Added the v2 model and provider listing API.

Added DigitalOcean OAuth and Inference Router support. (@Spherrrical)

Create a global opencode.jsonc automatically when no config exists.

Enable customize-opencode by default with a linked full schema.

Autocomplete configured @mentions in prompts.

Parse fenced Markdown code blocks in patch diffs by default.

Bugfixes

Fix keymap fallback priority and make TUI config errors clearer.

Restore model suggestions for unloaded providers and missing models.

Preserve layered permission rule order in config merges. (@asuffield)

Preserve attachments returned by custom tools.

Keep recent turns after compaction instead of folding them into the summary.

Fix prompt cursor movement and mentions for wide characters.

Prevent duplicate submits from creating empty phantom sessions.

Keep compacted tail history when forking a session.

Return proper busy-session errors from the HTTP API.

TUI

Improvements

Add pinned recent sessions, quick slots, and recent-session cycling.

Bugfixes

Restore non-interactive run exit behavior.

Make the websearch provider label update reactively. (@NormallyGaussian)

Reduce flicker when switching workspaces.

Fix run --json output draining.

Fix prompt history and line up/down commands.

Desktop

Improvements

Add Ctrl/Cmd+number shortcuts to switch projects.

Remember whether the todo dock is collapsed.

Restore AppStream metadata in Linux desktop builds.

Bugfixes

Show clearer wrapped server errors in the app. (@OpeOginni)

Use the login shell when loading desktop environment variables. (@qwq202)

Remember the selected model variant when switching sessions or projects.

Open the next available project when closing the current one.

Prevent streamed Markdown from being cut off.

Thank you to 5 community contributors:

@NormallyGaussian:

fix(tui): make websearch provider label reactive (#26943)

@Spherrrical:

feat(plugin): add DigitalOcean OAuth + Inference Routers (#26095)

@asuffield:

fix: preserve permission ordering by accepting a layered array (#23214)

@qwq202:

fix(desktop): resolve login shell when loading env (#26449)

@OpeOginni:

fix(app): enhance error handling by unwrapping SDK-wrapped errors in formatServerError (#27061)

Original source

Core

Bugfixes

Restored prompt editing keybindings in the TUI textarea, including aliases like esc and enter

Model changes now persist reliably across session activity

HTTP API schema validation errors now return a readable 400 response body

Improvements

Scout can now materialize configured reference repositories up front so they are ready to search

Large image attachments are now auto-resized before sending, with configurable size limits

TUI

File and directory paths now render relative to the session directory when possible

Original source

Core

Improvements

Added a built-in customize-opencode skill so opencode config edits are less likely to break startup.

Bugfixes

Fixed numeric HTTP API query parameters in the generated OpenAPI spec and SDK for session and file endpoints.

Fixed boolean HTTP API query handling so SDK types and runtime validation stay aligned.

Tolerated legacy stored numeric values in sessions, diffs, and retry events instead of failing to load old data.

Fixed old sessions with negative token counts causing message loads and Desktop startup to fail.

Fixed MCP tool discovery when a server publishes broken outputSchema references.

Fixed workspace HTTP API query drift so workspace-routed endpoints expose the right query parameters in OpenAPI and the SDK.

Fixed a Plan Mode security bypass where subagents could ignore parent-agent deny rules.

Original source

Core

Bugfixes

Provider configs and API responses now accept models marked as active.

Read tool permission rules now match worktree-relative paths, so read allowlists and denylists apply correctly.

Workspace-routed HTTP API endpoints no longer reject valid directory and workspace query params.

TUI

Bugfixes

Startup errors now report every failed bootstrap request instead of only the first one.

Opening a session no longer crashes when the messages request fails.

Desktop

Bugfixes

Older migrated sessions with missing diff file details load again.

Older migrated sessions with missing diff patches load again. (@OpeOginni)

SDK

Bugfixes

throwOnError: true now throws a real Error with the server message and preserves the response body in cause.

Extensions

Improvements

TUI plugins using the deprecated api.command API keep working while you migrate to api.keymap.

Bugfixes

Provider plugins can no longer mutate shared provider model state for the rest of the app.

Thank you to 1 community contributor:

@OpeOginni:

fix(sessions): allow optional patch field in diff for migrated sessions (#26574)

Original source