[Full Changelog](https://github.com/vector-im/riot-web/compare/v0.11.2-rc.1...v0.11.2-rc.2) * Update react-sdk to pull in fixes for URL previews, CAS login, h2 in markdown and CAPTCHA forms. * Enable Korean translation * Update from Weblate. [\#4323](https://github.com/vector-im/riot-web/pull/4323) * Fix h2 in markdown being weird [\#4332](https://github.com/vector-im/riot-web/pull/4332)