## What's Changed
* fix(core): retain oauth refresh token on refresh and make credential deletion idempotent by @villahernandez-coder in https://github.com/google-gemini/gemini-cli/pull/29339
* fix(ui): guard against negative layout dimensions in border rendering by @diegogodinezr in https://github.com/google-gemini/gemini-cli/pull/29347
* test(integration): deflake run_shell_command and file-system-interactive tests by @DavidAPierce in https://github.com/google-gemini/gemini-cli/pull/29185
* fix(core): improve PTY file descriptor cleanup and execution lifecycle management by @jesussamuel-byte in https://github.com/google-gemini/gemini-cli/pull/29340
**Full Changelog**: https://github.com/google-gemini/gemini-cli/compare/v0.62.0-nightly.20260917.g6a466a7e2...v0.62.0-nightly.20260918.g9450ade79