## What's Changed
* chore(release): bump version to 0.66.0-nightly.20261013.g204db94ae by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/29740
* Changelog for v0.64.0 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/29741
* fix(ui): implement synchronized output and isolate spinner rendering by @diegogodinezr in https://github.com/google-gemini/gemini-cli/pull/29725
* fix(ui): fix debug console height calculation and terminalBuffer flickering by @ugorla-dev in https://github.com/google-gemini/gemini-cli/pull/29695
* fix(cli): prevent right-hand border bleed in scrollable tool containers by @villahernandez-coder in https://github.com/google-gemini/gemini-cli/pull/29742
* refactor(core,cli): emit tool call groups from the scheduler and drop the UI lookahead by @jesussamuel-byte in https://github.com/google-gemini/gemini-cli/pull/29736
* fix(core): format and quote Windows diff command arguments in openDiff by @jvargassanchez-dot in https://github.com/google-gemini/gemini-cli/pull/29753
* fix(cli): round before selecting units in formatDuration by @diegogodinezr in https://github.com/google-gemini/gemini-cli/pull/29766
* fix(core): disable interactive credential and SSH prompts in getSafeGitEnv by @villahernandez-coder in https://github.com/google-gemini/gemini-cli/pull/29760
* fix(cli): resolve settings placeholders after loading .env files by @elberthc-byte in https://github.com/google-gemini/gemini-cli/pull/29750
* fix(core): harden SKILL.md frontmatter parsing for single-line descriptions by @jesussamuel-byte in https://github.com/google-gemini/gemini-cli/pull/29769
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.65.0-nightly.20261014.g42c518220...v0.66.0-nightly.20261016.gdebf42324