[Full Changelog](https://github.com/vector-im/riot-desktop/compare/v1.6.5...v1.6.6-rc.1) * Upgrade needle to avoid bugs with modern Node [\#101](https://github.com/vector-im/riot-desktop/pull/101) * Fix riot-desktop manual update check getting stuck on Downloading... [\#99](https://github.com/vector-im/riot-desktop/pull/99) * Electron recall latest downloaded update for when the user manually asks [\#98](https://github.com/vector-im/riot-desktop/pull/98) * use keytar to store pickle keys [\#95](https://github.com/vector-im/riot-desktop/pull/95)