This update changes the following:
- Improve menu UI to support keyboard navigation in both directions
- Improve more-menu-link visibility when no menu items are hidden
- Improve text-selection custom colors for better contrast and legibility
- Improve support for sticky toolbars in the editor
- Improve table element fonts
- Add .button class support
- Remove translation escaping
- Fix menu JS to prevent unused touched event listeners
- Fix duplicate more-menu-link issue on selective refresh in the customizer
- Fix editor font-weights for headings
- Fix search form input style
- Fix nested blockquote styles
- Fix download block button style when download text stretches more than one line
- Fix audio block centering issue
- Fix align-full blocks in the editor so they don’t create horizontal scrollbars
- Fix editor to prevent Gutenberg's meta boxes area from overlapping the content
Initial development occurred on GitHub. See: https://github.com/WordPress/twentynineteen
Props allancole, karmatosed, kjellr, yingling017, mrasharirfan, milana_cap, fabiankaegy, westonruter, aaronjorbin, ntwb, b-07, khleomix, audrasjb, nielslange, mmaumio, richsalvucci, littlebigthing, dimadin, joyously, anevins12, peterwilsoncc, DannyCooper, WPprodigy, siriokun, briannaorg, 00travelgirl00, shahjehanali1, ianbelanger79, nadim1992, Ismail-elkorchi, nativeinside, iamchetanp, grappler, ocean90, joshfeck, frankew, abdulwahab610, mendezcode, eliorivero, melchoyce, jasmussen, laurelfulford, mdawaffe, kraftbj, dereksmart, naokomc, mayukojpn, enodekciw, chetansatasiya, ketuchetan, atanas-angelov-dev, carolinan, sharazghouri, artisan-asad, mukeshpanchal27, mukesh27, burhandodhy, @crunnells, aryaprakasa, tlxo, themeroots, whizbangik, yingles, tlxo, youthkee, brentswisher, smy315, ahmadawais, desi-developer, 2ndkauboy, mor10.
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