Issue #2978498 by Cottser, Kingdutch: Using the module filter on the module list page a module can only be found by system name if the description ends in a dot

Issue #2894269 by droplet, Akram Khan, _pratik_, dylf, nod_, Cottser: `bool` in JSDoc should be `boolean`

Issue #2580263 by Berdir, nils.destoop, catch, Cottser, larowlan: Find a way to not run contextual_preprocess() on every template

Issue #3270081 by franck_lorancy, quietone, Cottser: Fix indentation in  doc block \Drupal\Core\Render\RendererInterface::render

Issue #3166449 by ravi.shankar, adamzimmermann, mmatsoo, walangitan, joshua.boltz, Cottser: Improve wording around twig.cache setting for production environments

Issue #2821525 by bnjmnm, chrisrockwell, tedbow, alexpott, droplet, lauriii, DyanneNova, effulgentsia, xjm, joelpittet, Cottser, andrewmacpherson: Update normalize.css to the most recent version

Issue #2679775 by darketaine, mikeker, kay_v, Vidushi Mehta, adriancid, zoon_unit, John Cook, VladimirAus, alexpott, YesCT, lauriii, Cottser, markconroy: Inline labels in classy theme do not clear floats

Issue #2586887 by LittleCoding, Cottser, webchick, gambry, alexpott, joachim, joelpittet, lauri, xjm: Remove bogus theme config override example from default.settings.php

Issue #3041076 by alexpott, shaal, Gábor Hojtsy, lauriii, Wim Leers, catch, Cottser, jibran, andypost, znerol, xim, joelpittet, effulgentsia: Update Drupal 9 to Twig 2

Issue #2679126 by ccjjmartin, karthik.baikati, ecrown, leolando.tan, jeremyrperry, akhil.desai, kawo, sean.walker, Q2U, paintingguy, jonathanshaw, valthebald, alexpott, yogeshmpawar, Cottser, catch, tulvit, alex_optim: Words break unnecessarilly at end of line in forum topic replies

Issue #2572605 by Gábor Hojtsy, slasher13, Jo Fitzgerald, alexpott, andypost, Cottser, skyredwang, mfernea, joelpittet, jibran, larowlan, aleevas, Wim Leers, lauriii, catch, Berdir: Make Drupal 8 optionally working with Twig 2, while keeping its dependency on Twig 1

Issue #2725259 by sardara, andrewmacpherson, claudiu.cristea, tedbow, alwaysworking, droplet, techmsi, kwoxer, xjm, alexpott, lauriii, catch, cilefen, Cottser: [regression] Table Drag handles no longer respond to up/down arrow keys

Revert "Issue #2725259 by sardara, andrewmacpherson, claudiu.cristea, tedbow, alwaysworking, droplet, techmsi, kwoxer, xjm, alexpott, @catch, @cilefen, @Cottser, @lauriii: [regression] Table Drag handles no longer respond to up/down arrow keys"

This reverts commit 735aacac.

Issue #2725259 by sardara, andrewmacpherson, claudiu.cristea, tedbow, alwaysworking, droplet, techmsi, kwoxer, xjm, alexpott, @catch, @cilefen, @Cottser, @lauriii: [regression] Table Drag handles no longer respond to up/down arrow keys

Issue #2591515 by joelpittet, Cottser, lauriii, NickWilde, kostyashupenko, alexpott, xjm: Move twig_without() to the TwigExtension where all the other filters are and deprecate

Issue #77245 by drpal, tedbow, nod_, phenaproxima, Wim Leers, googletorp, rteijeiro, vineet.osscube, tim.plunkett, idflood, joelpittet, pk188, lauriii, BarisW, lokapujya, chr.fritsch, droplet, andrewmacpherson, dmsmidt, dawehner, alexpott, jessebeach, NickWilde, DuaelFr, Cottser, seutje, samuel.mortenson: Provide a common API for displaying JavaScript messages

Issue #2578251 by marthinal, eporama, John Cook, Adita, joe_carvajal, luismagr, Shreya Shetty, Dinesh18, alexpott, Cottser: No results text appears twice

Issue #2497909 by Andrew.Mikhailov, pfrenssen, claudiu.cristea, cilefen, yogeshmpawar, jibran, kim.pepper, alexpott, Jeremy JOCHEMSKI, Cottser: Duplicate HTML IDs are created for file_managed_file fields

Issue #2600154 by alexpott, Cottser, joelpittet, mfernea, slasher13, vaplas, aleevas, Jo Fitzgerald, skyredwang: Update our Twig code to be ready for Twig 2.x

Issue #2725039 by rajeshwari10, brentgees, neha.gangwar, andrewmacpherson, kristindev, joginderpc, surbz, mayurjadhav, manish-31, mttsmmrssprks, bandanasharma, cilefen, xjm, alexpott, lauriii, Cottser, aburrows: Add README.txt to Seven theme

Issue #2528284 by cilefen, dawehner, Cottser, David_Rothstein: Document that alternate Drupal 8 theme engines must implement auto-escape or they are not secure

Issue #2662574 by RajeevK, Adita, pritish.kumar, afi13, greyghost, tstoeckler, xjm, Cottser, dawehner: Theme suggestions may not be in theme include files, Search and Views UI suggestions are not (always) found

Issue #2421001 by eiriksm, pfrenssen, YesCT, DuaelFr, gnuget, StryKaizer, Lendude, Jo Fitzgerald, andrewmacpherson, mgifford, geertvd, John Cook, mohit_aghera, Sinan Erdem, yoroy, thorandre, xjm, catch, joelpittet, idebr, alexpott, cilefen, dawehner, Cottser: Fix regression in the link widget where help text does not show

Issue #2897936 by arunkumark, somepal, Chi, Cottser: check_markup() and FilterInterface refer to non-existent function filter_process_text()

Issue #2784443 by tedbow, Wim Leers, Cottser, tim.plunkett, droplet, drpal, nod_, lauriii: Move off-canvas functionality from Settings tray module into drupal.dialog.ajax library so that other modules can use it

Issue #2674292 by starshaped, tim.clifford, sskt, nesta_, kostyashupenko, mukeshMukesh12, alamowo, ironkiat, emma.maria, Manjit.Singh, kiwimind, Cottser, phenaproxima, yoroy, AaronChristian: Remove styling of select elements (improves appearance in Firefox)

Issue #2887860 by drumm, Cottser: Allow attributes to be passed to admin blocks (admin_block theme hook)

Issue #2901692 by tim.plunkett, xjm, Cottser, dawehner, EclipseGc: FieldDefinitionIntegrityTest does not respect module dependencies

Issue #2830882 by tedbow, droplet, drpal, Adita, Cottser, tim.plunkett, markcarver, Wim Leers, nod_, catch: Introduce Drupal.offCanvas, mirrored after Drupal.dialog, to avoid Settings Tray using Drupal.Dialog in unintended ways

Issue #2899724 by drpal, tedbow, DyanneNova, droplet, Cottser, Wim Leers: Fixes for settings tray CSS and JavaScript minor issues

Issue #2897320 by Wim Leers, tedbow, xjm, andrewmacpherson, Cottser, DyanneNova: Settings Tray causes the "pointer" cursor to be used both when hovering over inaccessible links (should use "default" cursor) and when in input[type=text] (should use "text" cursor)

Issue #2781031 by chanchal2002, starshaped, joginderpc, alioso, brahmjeet789, Chernous_dn, Cottser, bandanasharma, Manjit.Singh, phenaproxima, tompagabor: Cron link on cron page overflows its background on smaller screens

Issue #2854111 by abbym, pritish.kumar, mahalingam_cs, trong.nguyen.tcec, Manuel Garcia, Cottser: Large images are not responsive, exceed the available space

Issue #2865971 by alexpott, droplet, xjm, martin107, joelpittet, Cottser, idebr, Mile23: Use stylelint as opposed to csslint in core

Issue #2878548 by alexpott, droplet, Cottser, idebr, joelpittet, xjm, martin107: Fix CSS whitespace issues

Issue #2607210 by malavya, Maninders, jwilson3, prateekS, jordana, ameymudras, Shabbir, Manjit.Singh, Cottser, EdgarPE, Nitesh Pawar, mikeohara, timisoreana, emma.maria, joelpittet, alexpott, kostyashupenko, Vidushi Mehta, jhodgdon: Visual regression: Sidebar menus are missing indentation styles

Issue #2867340 by Jo Fitzgerald, boaloysius, Cottser: Improve readability of Migration process plugin tests

Revert "Issue #2784311 by Jmdrawneek@googlemail.com, mgifford, andrewmacpherson, xjm, Cottser, tim.plunkett, dman, DomoSapiens: Skip to main content should link to main tag or similar"

This reverts commit ed82b95e.