[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v0.10.4...v0.10.5-rc.1) * fix auth header and filename=undefined [\#659](https://github.com/matrix-org/matrix-js-sdk/pull/659) * allow setting the output device for webrtc calls [\#650](https://github.com/matrix-org/matrix-js-sdk/pull/650) * arguments true and false are actually invalid [\#596](https://github.com/matrix-org/matrix-js-sdk/pull/596) * fix typo where `headers` was not being used and thus sent wrong content-type [\#643](https://github.com/matrix-org/matrix-js-sdk/pull/643) * fix some documentation typos [\#642](https://github.com/matrix-org/matrix-js-sdk/pull/642)