[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.12.4-rc.3...v0.12.4-rc.4) * Update from Weblate. [\#1904](https://github.com/matrix-org/matrix-react-sdk/pull/1904) * Correctly identify sticker picker widgets [\#1894](https://github.com/matrix-org/matrix-react-sdk/pull/1894) * Quick fix for sticker picker position [\#1903](https://github.com/matrix-org/matrix-react-sdk/pull/1903) * Remove redundant logging (currently shown on every render when no sti… [\#1901](https://github.com/matrix-org/matrix-react-sdk/pull/1901) * Fix stickers briefly being 2x the size [\#1899](https://github.com/matrix-org/matrix-react-sdk/pull/1899) * Send required properties when making requests to widgets over postMessage [\#1891](https://github.com/matrix-org/matrix-react-sdk/pull/1891) * Fix room widget second load infini spinner [\#1897](https://github.com/matrix-org/matrix-react-sdk/pull/1897) * Update widget state when account data changes [\#1896](https://github.com/matrix-org/matrix-react-sdk/pull/1896) * Remove margins when in a ReplyThread to stop them taking so much space [\#1882](https://github.com/matrix-org/matrix-react-sdk/pull/1882) * Add setting to enable widget screenshots (if widgets declare support) [\#1892](https://github.com/matrix-org/matrix-react-sdk/pull/1892) * T3chguy/replies html tag [\#1889](https://github.com/matrix-org/matrix-react-sdk/pull/1889) * Instant Sticker Picker [\#1888](https://github.com/matrix-org/matrix-react-sdk/pull/1888) * Update widget 'widgetData' key to 'data' to match spec. [\#1887](https://github.com/matrix-org/matrix-react-sdk/pull/1887) * Fix 'state_key' field name. [\#1886](https://github.com/matrix-org/matrix-react-sdk/pull/1886) * Improve appearance of short-lived app loading spinner [\#1885](https://github.com/matrix-org/matrix-react-sdk/pull/1885) * Take feature_sticker_messagse out of labs [\#1883](https://github.com/matrix-org/matrix-react-sdk/pull/1883) * Fix issue incorrect positioning with widget loading indicator [\#1884](https://github.com/matrix-org/matrix-react-sdk/pull/1884) * Users should always be able to edit their user/non-room widgets [\#1879](https://github.com/matrix-org/matrix-react-sdk/pull/1879)