chore(release): release version 1.21.0 (minor)

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Release v1.21.0

How to Release

Push the release tag to trigger the release:

git fetch && git tag v1.21.0 origin/release/1.21.0
git push origin v1.21.0

This PR will auto-merge once the tag is pushed.

Important Notes

• All commits in this release should have corresponding cherry-picks in main
• This PR can be closed if the release is not needed.

Changes in This Release

Comparing: v1.20.0...v1.21.0

• Fix: exclude platform_schedule_tool in CLI (Fix: exclude platform_schedule_tool in CLI #6442) (637049c)
• fix: apply subrecipes when using slash commands (fix: apply subrecipes when using slash commands #6460) (237f1c2)
• feat(ui): format large and small token counts for readability (feat(ui): format large token counts in billions for readability #6449) (5c506a8)
• Use Intl.NumberFormat for token formatting in SessionsInsights (Use Intl.NumberFormat for token formatting in SessionsInsights #6466) (f315708)
• fixed line breaks (fixed line breaks #6459) (b913ad1)
• feat(ui): support prefersBorder option for MCP Apps (feat(ui): support prefersBorder option for MCP Apps #6465) (1a2bc48)
• fix(code_execution): handle model quirks with tool calls (fix(code_execution): handle model quirks with tool calls #6352) (d9a30a8)
• fix: clean up result recording for code mode (fix: clean up result recording for code mode #6343) (c222bde)
• Remove gitignore fallback from gooseignore docs (Remove gitignore fallback from gooseignore docs #6480) (653fa3a)
• docs: add Ralph Loop tutorial for multi-model iterative development (docs: add Ralph Loop tutorial for multi-model iterative development #6455) (1c0895e)
• Ask for permission in the CLI (Ask for permission in the CLI #6475) (7af88d2)
• Allow customizing the new line keybinding in the CLI (Allow customizing the new line keybinding in the CLI #5956) (d512b49)
• docs: fix extensions page (docs: fix extensions page #6484) (1809b68)
• fix(openrouter): Handle Gemini thoughtSignature for tool calls (fix(openrouter): Handle Gemini thoughtSignature for tool calls #6370) (bb20949)
• fix: Recipe slash command doesn't work with single optional parameter (fix: Recipe slash command doesn't work with single optional parameter #6235) (e8247e2)
• docs: manual config for jetbrains (docs: manual config for jetbrains #6490) (f7ae1eb)
• fix: support global .gooseignore and negation patterns (fix: support global .gooseignore and negation patterns #6157) (d2e01db)
• feat(cli): graceful fallback for keyring failures (feat(cli): graceful fallback for keyring failures #5808) (c6c2d74)
• chore(deps): bump hono from 4.11.3 to 4.11.4 in /ui/desktop (chore(deps): bump hono from 4.11.3 to 4.11.4 in /ui/desktop #6485) (1d4e4b1)
• fix: require auth when running goose on non loopback address (fix: require auth when running goose on non loopback address #6478) (d923b32)
• fix: Improve error messages for invalid tool calls (fix: Improve error messages for invalid tool calls #6483) (355d319)
• fix(openai): make tool_call arguments optional and fix silent stream termination (fix(openai): make tool_call arguments optional and fix silent stream termination #6309) (a66e5d3)
• perf(google): avoid accumulating thoughtSignatures across conversation history (perf(google): avoid accumulating thoughtSignatures across conversation history #6462) (7b59f55)
• fix(code_execution): serialize record_result output as JSON (fix(code_execution): serialize record_result output as JSON #6495) (eaa05f9)
• feat: add flatpak support for linux (feat: add flatpak support for linux #6387) (20b8cbd)
• docs: acp mcp support (docs: acp mcp support #6491) (5e102f8)
• copilot instruction to flag prelease docs (copilot instruction to flag prelease docs #6504) (fb0eca2)
• feat(goose-acp): enable parallel sessions with isolated agent state (feat(goose-acp): enable parallel sessions with isolated agent state #6392) (7d4a6bd)
• fixed 0 token in openrouter steaming (fixed 0 token in openrouter steaming #6493) (9a96b84)
• fix: correctly parse extension name from tool call for MCP apps (fix: correctly parse extension name from tool call for MCP apps #6482) (06dcb09)
• fixed test compilation on main branch (fixed test compilation on main branch #6512) (7c3f41e)
• fix[desktop]: deeplink ui repeat on refresh (fix[desktop]: deeplink ui repeat on refresh #6469) (5e815e2)
• Fix popular topics not starting chat when clicked (Fix popular topics not starting chat when clicked #6508) (828e863)
• don't add escaping to the command field (don't add escaping to the command field #6519) (b1a53f3)
• Standalone mcp apps (Standalone mcp apps #6458) (7c62f50)
• Release 1.20.0 (f575375)
• docs: clarify directory in /documentation readme (docs: clarify directory in /documentation readme #6541) (885fd2a)
• chore: upgrade rmcp (chore: upgrade rmcp #6516) (4191826)
• docs: temp correction for agent directory (docs: temp correction for agent directory #6544) (87e52b5)
• chore(deps): bump brotli from 1.1.0 to 1.2.0 in /scripts/provider-error-proxy (chore(deps): bump brotli from 1.1.0 to 1.2.0 in /scripts/provider-error-proxy #6538) (e202c46)
• chore(deps): bump aiohttp from 3.13.0 to 3.13.3 in /scripts/provider-error-proxy (chore(deps): bump aiohttp from 3.13.0 to 3.13.3 in /scripts/provider-error-proxy #6539) (f9cc87d)
• chore: sync package-lock.json (chore: sync package-lock.json #6543) (351e99b)
• added optional request params and context limit from GOOSE_PREDEFINED_MODELS (added optional request params and context limit from GOOSE_PREDEFINED_MODELS #6489) (080a0e0)
• Fix: Update session name in UI in real-time (Fix: Update session name in UI in real-time #6533) (9b86d96)
• Docs: add short link for Council of Mine MCP tutorial (Docs: add short link for Council of Mine MCP tutorial #6545) (9d0b7ff)
• add mcp sampling blog (add mcp sampling blog #6547) (7b23c71)
• fix: prevent docs deploy from being cancelled by PR previews (fix: prevent docs deploy from being cancelled by PR previews #6553) (3cadb9c)
• fix: omit structured_content when None instead of serializing as null (fix: omit structured_content when None instead of serializing as null #6499) (d69a372)
• fix(mcp-apps): update ui/message to use ContentBlock[] for content (fix(mcp-apps): update ui/message to use ContentBlock[] for content #6546) (dad65ff)
• design: goose branding on desktop (design: goose branding on desktop #6563) (eeefe3e)
• fix: Missing instructions in goose/CONTRIBUTING.md (fix: Missing instructions in goose/CONTRIBUTING.md #6565) (7fd15d0)
• fix scrollbar flicker in sidebar animation (fix scrollbar flicker in sidebar animation #6564) (dd74136)
• fix(cli): sync all MCP prompt messages to session before agent reply (fix(cli): sync all MCP prompt messages to session before agent reply #6566) (21d63f4)
• fix: trying this approach to undo regressions for extension loading (fix: extension loading, syncs platform/builtin configs when new install #6568) (f3c2f8e)
• resolved all the extensions to load in cli (resolved all the entensions to load in cli #6464) (73a8788)
• chore: remove unused dependencies in cargo.toml (chore: remove unused dependencies in cargo.toml #6561) (63bf8eb)
• blog: mobile apps consolidation and roadmap (blog: mobile apps consolidation and roadmap #6580) (bba860a)
• chore: encourage extension searching (chore: encourage extension searching #6582) (a48fd4d)
• feat(gcp-vertex): add model list with org policy filtering (feat(gcp-vertex): add model list with org policy filtering #6393) (fbe46d0)
• recipes: add mcp server (recipes: add mcp server #6552) (bd84da2)
• Fix path for global agent skills (Fix path for global agent skills #6591) (60891d3)
• feat: exclude subagent tool from code_execution filtering (feat: exclude subagent tool from code_execution filtering #6531) (a05f5a3)
• docs: http proxy environment variables (docs: http proxy environment variables #6594) (5a04ee8)
• User configurable templates (User configurable templates #6420) (2f083b8)
• docs: max tokens config (docs: max tokens config #6596) (51cc5db)
• Dont show MCP UI/Apps until tool is approved (Dont show MCP UI/Apps until tool is approved #6492) (727679c)
• Lifei/fixed accumulated token count (Lifei/fixed accumulated token count #6587) (f26ffed)
• Multi chat (Multi chat #6428) (a7699e1)
• fix: actually set the working dir for extensions from session (fix: actually set the working dir for extensions from session #6612) (5bf4cf0)
• add back goose branding to home (add back goose branding to home #6617) (78d0f44)
• Added goose doc map md file for goose agent to find relevant doc easily. (Added goose doc map md file for goose agent to find relevant doc easily. #6598) (69d2f8c)
• docs: todo tutorial update (docs: todo tutorial update #6613) (cae4331)
• increase worker threads for ci (increase worker threads for ci #6614) (f3bae7e)
• fix(goose): propagate session_id across providers and MCP (fix(goose): propagate session_id across providers and MCP #6584) (67de49a)
• chore: tweak release docs (chore: tweak release docs #6571) (cebf976)
• feat(goose): standardize agent-session-id for session correlation (feat(goose): standardize agent-session-id for session correlation #6626) (967fe50)
• Install goose-mcp crate dependencies (Install goose-mcp crate dependencies #6632) (7bd120e)
• chore(release): release version 1.21.0 (0709b76)
• chore: trigger CI (e133bd1)

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This release PR was generated automatically.

[github-actions]

macOS ARM64 Desktop App (Apple Silicon)

📱 Download macOS Desktop App (arm64, unsigned)

Instructions:
After downloading, unzip the file and drag the goose.app to a location you prefer. The app is unsigned, so to run it run xattr -r -d com.apple.quarantine '/path/to/goose.app' and then open the app