## What's Changed
* 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
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.56.0-nightly.20260812.g5024443c7...v0.56.0-nightly.20260813.g1ac337739