[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v0.7.6-rc.1...v0.7.6-rc.2) * Add feature detection for webworkers [\#416](https://github.com/matrix-org/matrix-js-sdk/pull/416) * Fix release script [\#415](https://github.com/matrix-org/matrix-js-sdk/pull/415)