[Full Changelog](https://github.com/vector-im/riot-web/compare/v0.15.5...v0.15.6-rc.1) * Update from Weblate. [\#6915](https://github.com/vector-im/riot-web/pull/6915) * [electron] Fix desktop app --hidden flag [\#6805](https://github.com/vector-im/riot-web/pull/6805)