## What's Changed
* feat(core): add adk.agentSessionSubagentEnabled flag by @adamfweidman in https://github.com/google-gemini/gemini-cli/pull/26947
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.44.0-nightly.20260517.g77e65c0db...v0.44.0-nightly.20260518.g5611ff40e