[Full Changelog](https://github.com/vector-im/riot-web/compare/v1.5.5...v1.5.6-rc.1)
* Update Lithuanian language name
[\#11599](https://github.com/vector-im/riot-web/pull/11599)
* Enable more languages
[\#11592](https://github.com/vector-im/riot-web/pull/11592)
* Fix Docker build for develop and publish a /version file
[\#11588](https://github.com/vector-im/riot-web/pull/11588)
* Remove unused translations
[\#11540](https://github.com/vector-im/riot-web/pull/11540)
* Update from Weblate
[\#11591](https://github.com/vector-im/riot-web/pull/11591)
* Update riot.im enable_presence_by_hs_url for new matrix.org client URL
[\#11565](https://github.com/vector-im/riot-web/pull/11565)
* Remove mention of vector.im as default identity server on mobile guide
[\#11544](https://github.com/vector-im/riot-web/pull/11544)
* Clean up and standardise app config
[\#11549](https://github.com/vector-im/riot-web/pull/11549)
* make it clear that seshat requires electron-build-env (at least on macOS)
[\#11527](https://github.com/vector-im/riot-web/pull/11527)
* Add postcss-easings
[\#11521](https://github.com/vector-im/riot-web/pull/11521)
* ElectronPlatform: Add support for a event index using Seshat.
[\#11125](https://github.com/vector-im/riot-web/pull/11125)
* Sign all of the Windows executable files
[\#11516](https://github.com/vector-im/riot-web/pull/11516)
* Clarify that cross-signing is in development
[\#11493](https://github.com/vector-im/riot-web/pull/11493)
* get rid of bluebird
[\#11301](https://github.com/vector-im/riot-web/pull/11301)
* Update from Weblate
[\#11488](https://github.com/vector-im/riot-web/pull/11488)
* Add note in README about self-hosted riot installs requiring custom caching
headers
[\#8702](https://github.com/vector-im/riot-web/pull/8702)
* De-dup theming code
[\#11445](https://github.com/vector-im/riot-web/pull/11445)
* Add eslint-plugin-jest because we inherit js-sdk's eslintrc and it wants
[\#11448](https://github.com/vector-im/riot-web/pull/11448)
This tag has no release notes.