What's Changed
- feat(commands): add /prompt-suggest slash command by @NTaylorMullen in #17264
- feat(cli): align hooks enable/disable with skills and improve completion by @sehoon38 in #16822
- docs: add CLI reference documentation by @leochiu-a in #17504
- chore(release): bump version to 0.28.0-nightly.20260128.adc8e11bb by @gemini-cli-robot in #17725
- feat(skills): final stable promotion cleanup by @abhipatel12 in #17726
- test(core): mock fetch in OAuth transport fallback tests by @jw409 in #17059
- feat(cli): include auth method in /bug by @erikus in #17569
- Add a email privacy note to bug_report template by @nemyung in #17474
- Rewind documentation by @Adib234 in #17446
- fix: verify audio/video MIME types with content check by @maru0804 in #16907
- feat(core): add support for positron ide (#15045) by @kapsner in #15047
- /oncall dedup - wrap texts to nextlines by @sehoon38 in #17782
- fix(admin): rename advanced features admin setting by @skeshive in #17786
- [extension config] Make breaking optional value non-optional by @chrstnb in #17785
- Fix docs-writer skill issues by @g-samroberts in #17734
- fix(core): suppress duplicate hook failure warnings during streaming by @abhipatel12 in #17727
- test: add more tests for AskUser by @jackwotherspoon in #17720
- feat(cli): enable activity logging for non-interactive mode and evals by @SandyTao520 in #17703
- feat(core): add support for custom deny messages in policy rules by @allenhutchison in #17427
- Fix unintended credential exposure to MCP Servers by @Adib234 in #17311
- feat(extensions): add support for custom themes in extensions by @spencer426 in #17327
- fix: persist and restore workspace directories on session resume by @korade-krushna in #17454
- Update release notes pages for 0.26.0 and 0.27.0-preview. by @g-samroberts in #17744
- feat(ux): update cell border color and created test file for table rendering by @devr0306 in #17798
- Change height for the ToolConfirmationQueue. by @jacob314 in #17799
- feat(cli): add user identity info to stats command by @sehoon38 in #17612
- fix(ux): fixed off-by-some wrapping caused by fixed-width characters by @devr0306 in #17816
- feat(cli): update undo/redo keybindings to Cmd+Z/Alt+Z and Shift+Cmd+Z/Shift+Alt+Z by @scidomino in #17800
- fix(evals): use absolute path for activity log directory by @SandyTao520 in #17830
- test: add integration test to verify stdout/stderr routing by @ved015 in #17280
- fix(cli): list installed extensions when update target missing by @tt-a1i in #17082
- fix(cli): handle PAT tokens and credentials in git remote URL parsing by @afarber in #14650
- fix(core): use returnDisplay for error result display by @Nubebuster in #14994
- Fix detection of bun as package manager by @Randomblock1 in #17462
- feat(cli): show hooksConfig.enabled in settings dialog by @abhipatel12 in #17810
- feat(cli): Display user identity (auth, email, tier) on startup by @yunaseoul in #17591
- fix: prevent ghost border for AskUserDialog by @jackwotherspoon in #17788
- docs: mark A2A subagents as experimental in subagents.md by @adamfweidman in #17863
- Resolve error thrown for sensitive values by @chrstnb in #17826
- fix(admin): Rename secureModeEnabled to strictModeDisabled by @skeshive in #17789
- feat(ux): update truncate dots to be shorter in tables by @devr0306 in #17825
- fix(core): resolve DEP0040 punycode deprecation via patch-package by @ATHARVA262005 in #17692
- feat(plan): create generic Checklist component and refactor Todo by @Adib234 in #17741
- Cleanup post delegate_to_agent removal by @gundermanc in #17875
- fix(core): use GIT_CONFIG_GLOBAL to isolate shadow git repo configuration - Fixes #17877 by @cocosheng-g in #17803
- Disable mouse tracking e2e by @alisa-alisa in #17880
- fix(cli): use correct setting key for Cloud Shell auth by @sehoon38 in #17884
- chore: revert IDE specific ASCII logo by @jackwotherspoon in #17887
- Revert "fix(core): resolve DEP0040 punycode deprecation via patch-package" by @sehoon38 in #17898
- Refactoring of disabling of mouse tracking in e2e tests by @alisa-alisa in #17902
- feat(core): Add GOOGLE_GENAI_API_VERSION environment variable support by @deyim in #16177
- feat(core): Isolate and cleanup truncated tool outputs by @SandyTao520 in #17594
- Create skills page, update commands, refine docs by @g-samroberts in #17842
- feat: preserve EOL in files by @Thomas-Shephard in #16087
- Fix HalfLinePaddedBox in screenreader mode. by @jacob314 in #17914
- bug(ux) vim mode fixes. Start in insert mode. Fix bug blocking F12 and ctrl-X in vim mode. by @jacob314 in #17938
- feat(core): implement interactive and non-interactive consent for OAuth by @ehedlund in #17699
- perf(core): optimize token calculation and add support for multimodal tool responses by @abhipatel12 in #17835
- refactor(hooks): remove legacy tools.enableHooks setting by @abhipatel12 in #17867
- feat(ci): add npx smoke test to verify installability by @bdmorgan in #17927
- feat(core): implement dynamic policy registration for subagents by @abhipatel12 in #17838
- feat: Implement background shell commands by @galz10 in #14849
- feat(admin): provide actionable error messages for disabled features by @skeshive in #17815
- Fix bugs where Rewind and Resume showed Ugly and 100X too verbose content. by @jacob314 in #17940
- Fix broken link in docs by @chrstnb in #17959
- feat(plan): reuse standard tool confirmation for
AskUsertool by @jerop in #17864 - feat(core): enable overriding CODE_ASSIST_API_VERSION with env var by @lottielin in #17942
- run npx pointing to the specific commit SHA by @sehoon38 in #17970
- Add allowedExtensions setting by @kevinjwang1 in #17695
- feat(plan): refactor
ToolConfirmationPayloadto union type by @jerop in #17980 - lower the default max retries to reduce contention by @sehoon38 in #17975
- fix(core): ensure YOLO mode auto-approves complex shell commands when parsing fails by @abhipatel12 in #17920
- Fix broken link. by @g-samroberts in #17972
- Support ctrl-C and Ctrl-D correctly Refactor so InputPrompt has priority over AppContainer for input handling. by @jacob314 in #17993
- Fix truncation for AskQuestion by @jacob314 in #18001
- fix(workflow): update maintainer check logic to be inclusive and case-insensitive by @bdmorgan in #18009
- Fix Esc cancel during streaming by @LyalinDotCom in #18039
- feat(acp): add session resume support by @bdmorgan in #18043
- fix(ci): prevent stale PR closer from incorrectly closing new PRs by @bdmorgan in #18069
- chore: delete autoAccept setting unused in production by @victorvianna in #17862
- feat(plan): use
placeholderfor choice question "Other" option by @jerop in #18101 - docs: update clearContext to hookSpecificOutput by @jackwotherspoon in #18024
- docs-writer skill: Update docs writer skill by @jkcinouye in #17928
- Sehoon/oncall filter by @sehoon38 in #18105
- feat(core): add setting to disable loop detection by @SandyTao520 in #18008
- Docs: Revise docs/index.md by @jkcinouye in #17879
- Fix up/down arrow regression and add test. by @jacob314 in #18108
- fix(ui): prevent content leak in
MaxSizedBoxbottom overflow by @jerop in #17991 - refactor: migrate checks.ts utility to core and deduplicate by @jerop in #18139
- feat(core): implement tool name aliasing for backward compatibility by @SandyTao520 in #17974
- docs: fix help-wanted label spelling by @pavan-sh in #18114
- feat(cli): implement automatic theme switching based on terminal background by @Abhijit-2592 in #17976
- fix(ide): no-op refactoring that moves the connection logic to helper functions by @skeshive in #18118
- feat: update review-frontend-and-fix slash command to review-and-fix by @galz10 in #18146
- fix: improve
Ctrl+Rreverse search by @jackwotherspoon in #18075 - feat(plan): handle inconsistency in schedulers by @Adib234 in #17813
- feat(plan): add core logic and
exit_plan_modetool definition by @jerop in #18110 - feat(core): rename search_file_content tool to grep_search and add legacy alias by @SandyTao520 in #18003
- fix(core): prioritize detailed error messages for code assist setup by @gsquared94 in #17852
- fix(cli): resolve environment loading and auth validation issues in ACP mode by @bdmorgan in #18025
- feat(core): add .agents/skills directory alias for skill discovery by @NTaylorMullen in #18151
- chore(core): reassign telemetry keys to avoid server conflict by @mattKorwel in #18161
- Add link to rewind doc in commands.md by @Adib234 in #17961
- feat(core): add draft-2020-12 JSON Schema support with lenient fallback by @afarber in #15060
- refactor(core): robust trimPreservingTrailingNewline and regression test by @adamfweidman in #18196
- Remove MCP servers on extension uninstall by @chrstnb in #18121
- refactor: localize ACP error parsing logic to cli package by @bdmorgan in #18193
- feat(core): Add A2A auth config types by @adamfweidman in #18205
- Set default max attempts to 3 and use the common variable by @sehoon38 in #18209
- feat(plan): add
exit_plan_modeui and prompt by @jerop in #18162 - fix(test): improve test isolation and enable subagent evaluations by @cocosheng-g in #18138
- feat(plan): use custom deny messages in plan mode policies by @Adib234 in #18195
- Match on extension ID when stopping extensions by @chrstnb in #18218
- fix(core): Respect user's
.gitignorepreference by @xyrolle in #15482 - docs: document GEMINI_CLI_HOME environment variable by @adamfweidman in #18219
- chore(core): explicitly state plan storage path in prompt by @jerop in #18222
- A2a admin setting by @DavidAPierce in #17868
- feat(a2a): Add pluggable auth provider infrastructure by @adamfweidman in #17934
- Fix handling of empty settings by @chrstnb in #18131
- Reload skills when extensions change by @chrstnb in #18225
- feat: Add markdown rendering to
ask_usertool by @jackwotherspoon in #18211 - Add telemetry to rewind by @Adib234 in #18122
- feat(admin): add support for MCP configuration via admin controls (pt1) by @skeshive in #18223
- feat(core): require user consent before MCP server OAuth by @ehedlund in #18132
- fix(sandbox): propagate GOOGLE_GEMINI_BASE_URL&GOOGLE_VERTEX_BASE_URL env vars by @skeshive in #18231
- feat(ui): move user identity display to header by @sehoon38 in #18216
- fix: enforce folder trust for workspace settings, skills, and context by @galz10 in #17596
New Contributors
- @leochiu-a made their first contribution in #17504
- @erikus made their first contribution in #17569
- @nemyung made their first contribution in #17474
- @Randomblock1 made their first contribution in #17462
- @ATHARVA262005 made their first contribution in #17692
- @deyim made their first contribution in #16177
- @lottielin made their first contribution in #17942
- @victorvianna made their first contribution in #17862
- @pavan-sh made their first contribution in #18114
- @Abhijit-2592 made their first contribution in #17976
Full Changelog: v0.27.0-preview.8...v0.28.0-preview.0