## What's Changed
* fix(core): dynamically resolve Cloud Workstations proxy redirect URI for OAuth flows by @amelidev in https://github.com/google-gemini/gemini-cli/pull/28688
* fix(core): resolve swallowed directory mismatch in IDE connections by @amelidev in https://github.com/google-gemini/gemini-cli/pull/28729
* Feat/eval validate by @ved015 in https://github.com/google-gemini/gemini-cli/pull/28344
* feat(evals): add tool call formatter and integrate failure summaries by @ved015 in https://github.com/google-gemini/gemini-cli/pull/28305
* Changelog for v0.55.1 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/28779
* test(e2e): stabilize file-system-interactive test on slow runners by @DavidAPierce in https://github.com/google-gemini/gemini-cli/pull/28793
* fix(core): implement context-aware silent retries and availability TTL for capacity errors (#28761) by @DavidAPierce in https://github.com/google-gemini/gemini-cli/pull/28790
* fix(core): rollback entire multi-turn request on cancellation or abort by @amelidev in https://github.com/google-gemini/gemini-cli/pull/28801
* fix(core): normalize git environment and resolve workspace state mismatch by @luisfelipe-alt in https://github.com/google-gemini/gemini-cli/pull/28792
* [SSR Agent] Issue Fix (19826): Migrate process.env to vi.stubEnv in a2a-server tests by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28811
* [SSR Agent] Issue Fix (21911): Add composite flag to packages/cli tsconfig by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28813
* [SSR Agent] Issue Fix (26120): Clarify privacy notice wording and selection options by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28820
* [SSR Agent] Issue Fix (21919): Fix TypeScript strict-null errors in integration tests by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28814
* [SSR Agent] Issue Fix (21477): Prevent indefinite TUI hang by adding execution timeouts by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28812
* [SSR Agent] Issue Fix (19239): Update /clear command docs to include context reset by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28847
* [SSR Agent] Issue Fix (24587): Fix misleading admin error for personal accounts by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28819
* [SSR Agent] Issue Fix (19463): Format cli_help subagent output as markdown by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28864
* [SSR Agent] Issue Fix (28050): Add Vertex AI locations documentation link by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28865
* [SSR Agent] Issue Fix (22093): Prevent subagents from running when agents mode is disabled by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28867
* [SSR Agent] Issue Fix (23954): Add trailing space to autocomplete suggestions by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28868
* [SSR Agent] Issue Fix (24935): Force terminal buffer rerender after exiting external editors by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28880
* [SSR Agent] Issue Fix (28518): Fix sub-agent handoff token regression on startup by @joneba-google in https://github.com/google-gemini/gemini-cli/pull/28882
* fix(core): preserve empty text turns with tools or media by @DavidAPierce in https://github.com/google-gemini/gemini-cli/pull/28892
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.56.0-preview.1...v0.57.0-preview.0