## What's Changed
* chore/release: bump version to 0.19.0-nightly.20251124.e177314a4 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/13713
* fix(core): Fix context window overflow warning for PDF files by @kkitase in https://github.com/google-gemini/gemini-cli/pull/13548
* feat :rephrasing the extension logging messages to run the explore command when there are no extensions installed by @JayadityaGit in https://github.com/google-gemini/gemini-cli/pull/13740
* Improve code coverage for cli package by @megha1188 in https://github.com/google-gemini/gemini-cli/pull/13724
* Add session subtask in /stats command by @Adib234 in https://github.com/google-gemini/gemini-cli/pull/13750
* feat(core): Migrate chatCompressionService to model configs. by @joshualitt in https://github.com/google-gemini/gemini-cli/pull/12863
* feat(hooks): Hook Telemetry Infrastructure by @Edilmo in https://github.com/google-gemini/gemini-cli/pull/9082
* fix: (some minor improvements to configs and getPackageJson return behaviour) by @grMLEqomlkkU5Eeinz4brIrOVCUCkJuN in https://github.com/google-gemini/gemini-cli/pull/12510
* feat(hooks): Hook Event Handling by @Edilmo in https://github.com/google-gemini/gemini-cli/pull/9097
* feat(hooks): Hook Agent Lifecycle Integration by @Edilmo in https://github.com/google-gemini/gemini-cli/pull/9105
* feat(core): Land bool for alternate system prompt. by @joshualitt in https://github.com/google-gemini/gemini-cli/pull/13764
* bug(core): Add default chat compression config. by @joshualitt in https://github.com/google-gemini/gemini-cli/pull/13766
* feat(model-availability): introduce ModelPolicy and PolicyCatalog by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/13751
* feat(hooks): Hook System Orchestration by @Edilmo in https://github.com/google-gemini/gemini-cli/pull/9102
## New Contributors
* @kkitase made their first contribution in https://github.com/google-gemini/gemini-cli/pull/13548
* @grMLEqomlkkU5Eeinz4brIrOVCUCkJuN made their first contribution in https://github.com/google-gemini/gemini-cli/pull/12510
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.19.0-nightly.20251124.e177314a4...v0.19.0-nightly.20251125.f6d97d448