Issue #1170362 by alexpott, catch, pillarsdotnet, sun, jofitz, geerlingguy, steinmb, tresti88, DamienMcKenna, dpovshed, imclean, bradjones1, mErilainen, David_Rothstein, KarenS, BTMash, rickmanelius, Anonymous, smustgrave, Wim Leers, kreynen, webchick, websiteworkspace, phenaproxima, Kiphaas7, bbrala: Install profile is disabled for lots of different reasons and core doesn't allow for that

Issue #2189267 by Manuel Garcia, snufkin, alexpott, nuez, maxocub, mirsoft, SiliconMind, blazey, mErilainen, wannesderoy, borisson_, Gábor Hojtsy, stella, spoit, swentel, lauriii, Rob230, Xano, danquah: When content language detection is different from interface language detection, the detected language is not applied to the rendered content

Issue #2516918 by mErilainen, vulcanr, pazhyn, LewisNyman, Wim Leers, Bojhan, eliza411, ivanstegic, lunk_rat, nickrosencrans, stpaultim, webchick: Prevent mobile browsers from zooming on all form inputs

Issue #2519862 by mErilainen, kattekrab, LewisNyman, Wim Leers, DuaelFr, Bojhan, eliza411, ivanstegic, lunk_rat, nickrosencrans, stpaultim, Mark LaCroix, webchick: Remove the width/height inputs from EditorImageDialog

Issue #2521906 by mErilainen, LewisNyman, Bojhan, eliza411, ivanstegic, lunk_rat, nickrosencrans, stpaultim, Mark LaCroix, webchick: Add default configuration to support h2-h6 level headings

Issue #2112247 by sihv, dgroene, aalamaki, Dennis Walgaard, mErilainen: Fixed Valid file extensions in file names are not properly enforced when uploading files.

Issue #2084535 by mErilainen, tankerjoe, DanielFbrg: Fix file_copy documentation around the case when source and destination are the same