Issue #2520540 by alexpott: Enforced configuration dependencies shouldn't have to be repeated in the calculated dependencies

Issue #2578991 by ifrik, jhodgdon, Bojhan, snehi: Update link descriptions on the Configuration page that are confusing

Issue #2559955 by Wim Leers, swentel, mdrummond: Ensure that Quick Edit relies less on the structure of the HTML

Issue #2090983 by plach, Berdir, yched: ContentEntityInterface::getTranslation() should throw an exception when an invalid language is specified

Issue #2576533 by alexpott, stefan.r, Wim Leers, dawehner, xjm, effulgentsia, catch: Rename SafeStringInterface to MarkupInterface and move related classes

Issue #2549077 by pwolanin, Wim Leers, phenaproxima, lauriii: Allow the "Limit allowed HTML tags" filter to also restrict HTML attributes, and only allow a small whitelist of attributes by default

Issue #2571755 by nod_, yched, mbaynton, drubb, swentel: Required text field with a Text Editor + AJAX form rebuild = unsubmittable form

Issue #2560783 by stefan.r, joelpittet, lauriii, Cottser, Sutharsan, kgoel, justAChris, Gábor Hojtsy, dawehner, jhodgdon, effulgentsia, xjm, andypost, googletorp: Replace !placeholder with :placeholder for URLs in hook_help() implementations

Issue #2569069 by stefan.r, mr.baileys, alexpott, lauriii: Replace TranslationWrapper with TranslatableString and deprecate TranslationWrapper

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 #2452475 by lhangea, googletorp, arpitr, neetu morwani, ianthomas_uk, Mile23: Remove deprecated function drupal_merge_attached() and its references

Issue #2551105 by Dave Reid: BaseCommand should not be in the quickedit namespace, useful for anything

Issue #2540850 by tim.plunkett, larowlan, kattekrab, DuaelFr, emma.maria, Wim Leers: (regression) EditorImageDialog alignment & captioning are not working

Issue #2559969 by alexpott: Make SafeStringInterface extend \JsonSerializable so we don't have to do so much string casting

Issue #2559877 by alexpott, chx, swentel, davidhernandez, dawehner, subhojit777: Quick editing a body field on Standard does not work

Issue #2555973 by claudiu.cristea, Mark LaCroix, stefan.r, pjonckiere, dawehner: Fatal error when editing content after disabling format with editor

Issue #2557519 by alexpott, joelpittet: Remove many usages SafeMarkup::checkPlain() and replace with Html::escape()

Issue #2214241 by mortendk, mdrummond, lauriii, galooph, ShaunDychko, jjcarrion, b0unty, joelpittet, scor, amitgoyal, aboros, Manuel Garcia, hkirsman, BLadwin, hussainweb, sushilkr, emma.maria, nlisgo, yched, LewisNyman, davidhernandez, mikl, camoa, dman, dodorama: Field default markup - removing the divitis

Issue #2552579 by alexpott: Remove SafeMarkup::placeholder(), deprecate drupal_placeholder() and stop drupal_placeholder() from marking safe

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 #2503963 by Wim Leers, dawehner, nlisgo, mlhess, xjm, effulgentsia, JvE: XSS in Quick Edit: entity title is not safely encoded

Issue #2532476 by dawehner, pwolanin, pfrenssen, Gábor Hojtsy, effulgentsia: Menu links should use a TranslationWrapper to encapsulate safe translatable strings from YAML files

Issue #2506581 by alexpott, Wim Leers, Fabianx, xjm, joelpittet, Cottser, dawehner: Remove SafeMarkup::set() from Renderer::doRender

Issue #2321969 by rpayanm, subhojit777, prics, LinL, JeroenT, Temoor, prashantgoel, Mile23, pcambra, Sumi: Replace all instances of file_load(), file_load_multiple(), entity_load('file') and entity_load_multiple('file') with static method calls

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2407195 by Wim Leers, Fabianx, joelpittet, lauriii, Crell: Move attachment processing to services and per-type response subclasses

Issue #2502617 by droplet, darol100: When changing from a text format with an editor to one without, any user-entered changes are ignored: the original text is saved

Issue #2481453 by dawehner, pwolanin, rteijeiro, neclimdul, znerol: Implement query parameter based content negotiation as alternative to extensions

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2473105 by ifrik, jhodgdon, lostkangaroo, opratr, LinL: Update hook_help texts that link to modules that can be uninstalled

Issue #1533366 by nod_, valthebald, Jelle_S, Wim Leers: Simplify and optimize Drupal.ajax() instantiation and implementation

Issue #2383865 by mgifford, pguillard, rpayanm, alexpott, jhodgdon: Spellchecking Drupal - Javascript