[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v2.0.0...v2.0.1-rc.1) * Fix content uploads for modern browsers [\#952](https://github.com/matrix-org/matrix-js-sdk/pull/952) * Don't overlap auth submissions with polls [\#951](https://github.com/matrix-org/matrix-js-sdk/pull/951) * Add funding details for GitHub sponsor button [\#945](https://github.com/matrix-org/matrix-js-sdk/pull/945) * Fix backup sig validation with multiple sigs [\#944](https://github.com/matrix-org/matrix-js-sdk/pull/944) * Don't send another token request while one's in flight [\#943](https://github.com/matrix-org/matrix-js-sdk/pull/943) * Don't poll UI auth again until current poll finishes [\#942](https://github.com/matrix-org/matrix-js-sdk/pull/942) * Provide the discovered URLs when a liveliness error occurs [\#938](https://github.com/matrix-org/matrix-js-sdk/pull/938) * Encode event IDs when redacting events [\#941](https://github.com/matrix-org/matrix-js-sdk/pull/941) * add missing logger [\#940](https://github.com/matrix-org/matrix-js-sdk/pull/940) * verification: don't error if we don't know about some keys [\#939](https://github.com/matrix-org/matrix-js-sdk/pull/939) * Local echo for redactions [\#937](https://github.com/matrix-org/matrix-js-sdk/pull/937) * Refresh safe room versions when the server looks more modern than us [\#934](https://github.com/matrix-org/matrix-js-sdk/pull/934) * Add v4 as a safe room version [\#935](https://github.com/matrix-org/matrix-js-sdk/pull/935) * Disable guard-for-in rule [\#933](https://github.com/matrix-org/matrix-js-sdk/pull/933) * Extend loglevel logging for the whole project [\#924](https://github.com/matrix-org/matrix-js-sdk/pull/924) * fix(login): saves access_token and user_id after login for all login types [\#930](https://github.com/matrix-org/matrix-js-sdk/pull/930) * Do not try to request thumbnails with non-integer sizes [\#929](https://github.com/matrix-org/matrix-js-sdk/pull/929) * Revert "Add a bunch of debugging to .well-known IS validation" [\#928](https://github.com/matrix-org/matrix-js-sdk/pull/928) * Add a bunch of debugging to .well-known IS validation [\#927](https://github.com/matrix-org/matrix-js-sdk/pull/927)