0.21.0-beta.4

What's Changed

• feat(editor): support markdown adapter preprocessed with latex delimiters by @donteatfriedrice in #11431
• fix(editor): should focus on input of popover on toolbar by @fundon in #11485
• fix(core): cannot select text in electron by @yoyoyohamapi in #11486
• fix(editor): adjust block meta info by @Saul-Mirone in #11488
• fix(admin): adjust available upgrade button style by @JimmFly in #11489
• fix(editor): range sync in lit portal by @Saul-Mirone in #11490
• feat(server): add transcript block indexing by @darkskygit in #11487
• fix(editor): remove copy-as-png from toolbar of surface-ref by @L-Sun in #11493
• fix(core): stop media when audio block is removed by @pengx17 in #11492
• chore(electron): add community link for meeting feature by @pengx17 in #11494
• fix(editor): improve menu content UX on toolbar by @fundon in #11491
• fix(editor): popover style on link popup by @fundon in #11495
• fix(core): add option to disable middle click paste behavior on linux by @pengx17 in #11496

Full Changelog: v0.21.0-beta.3...v0.21.0-beta.4