Issue #2779321 by nedjo, Akram Khan, smustgrave, catch, Meenakshi_j, pooja saraah, Berdir, alexpott: Submitting empty block layout form results in breakage for all block entities

Issue #2779321 by nedjo, Akram Khan, smustgrave, Meenakshi_j, pooja saraah, alexpott: Submitting empty block layout form results in breakage for all block entities

Issue #3061148 by vsujeetkumar, Ramya Balasubramanian, raman.b, ankithashetty, pmagunia, lauriii, karishmaamin, priyanka.sahni, quietone, Anishnirmal, Akhildev.cs, mitthukumawat, joachim, xjm: a disabled block's admin title gets double-escaped

Issue #2903911 by joshmiller, longwave, anmolgoyal74, ankithashetty, init90, Pooja Ganjage, _gradient_, daffie, borisson_: Fix 'Drupal.Commenting.FunctionComment.ParamMissingDefinition' coding standard

Issue #2851394 by GoZ, hgunicamp, oknate, jungle, wolffereast, tameeshb, mmatsoo, ridhimaabrol24, jofitz, swarad07, tanc, shaktik, dimaro, shashikant_chauhan, MerryHamster, quietone, nitesh624, martin_q, boaloysius, gaurav.kapoor, nitvirus, ankithashetty, Munavijayalakshmi, kostyashupenko, leolando.tan, amit.drupal, ravi.shankar, akashkrishnan01, Swapnil_Kotwal, Saviktor, mrinalini9, anmolgoyal74, Venkatesh Rajan.J, shimpy, lomasr, Dinesh18, shubham.prakash, mahtab_alam, markdorison, cilefen, longwave, bleen, xjm, alexpott, gmaltoni: Fix grammar 'a' to 'an' when necessary

Issue #3033986 by TR, rishabhthakur, dww, Lendude, jungle: Remove useless 'limit' property override in multiple classes extending EntityListBuilder

Issue #3035383 by andypost, martin107, Berdir: Replace deprecated usages of entityManager in list builder classes

Issue #3018942 by welly, alexpott, jibran, Krzysztof Domański, floydm: Domain URL language detection - InvalidArgumentException: The user-entered string must begin with a '/', '?', or '#'

Issue #2948068 by drpal, dawehner, borisson_, ethomas08, lauriii, yoroy, tedbow: Placing and then removing a block appends incorrect query string destination parameter

Issue #2572613 by Malevi4, idebr, pfrenssen, Mile23, RajeevK: Fix 'Drupal.Array.Array.CommaLastItem' coding standard

Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2806651 by stmh, muschpusch, ifrik, tim.plunkett, msti, SenneS: Replace "Delete" block on the block-layout page with "Remove"

Issue #2513534 by tim.plunkett, lokapujya, tedbow, LewisNyman, Manjit.Singh, alexpott, Maninders, Bojhan: Remove the 'disabled' region from Block UI

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2567845 by LewisNyman, davidhernandez: [regression] Fix any visual regressions from moving the System CSS to Classy

Issue #2396937 by legolasbo, Vj, subhojit777, jhodgdon: "Last placed block" color confusing in Block layout page

Issue #2559605 by Cottser, stefan.r: Convert SafeMarkup::checkPlain() in render arrays to #plain_text

Issue #2512456 by tim.plunkett, legolasbo, MattA, dawehner, googletorp, darol100, Bojhan, webchick, andypost, ivanstegic, larowlan, lauriii, LewisNyman, tkoleary, rickvug, eliza411, lunk_rat, nickrosencrans, stpaultim, Mark LaCroix: Implement the new block layout design to emphasize the primary interaction of placing a block

Issue #2508547 by tim.plunkett, tannerjfco, neclimdul: Placing a block with same machine name of region causes region to disappear in admin UI

Issue #2408463 by thomasfava, MathieuSpil, Manjit.Singh, Vidushi Mehta, LewisNyman: Rewrite entity-meta component inline with our CSS standards

Issue #2422399 by aliyakhan, JCL324, mortendk, skippednote, rpayanm, tadityar, LewisNyman, joelpittet, idebr: Rewrite block.admin.css inline with our CSS standards

Issue #2472323 by dawehner, neclimdul, Crell, kim.pepper, nod_, Wim Leers, larowlan, jibran, pwolanin, catch: Move modal / dialog to query parameters

Issue #2457887 by prateekMehta, stefan.r, rpayanm, alexpott: Use Utility\SafeMarkup class instead of Utility\String for placeholder(), checkPlain(),format() functions

Issue #2030571 by calebtr, daffie, filijonka, YesCT, Thomas Brekelmans, alexpott, Mile23, tadityar, Sharique, tim.plunkett, boztek: Expand Block with methods

Issue #1027074 by blackdog, alansaviolobo, Sutharsan: Add string context to Enabled & Disabled in Shortcut module

Issue #2349991 by fago, Xano, amateescu: Provide a trait for categorizing plugin managers and use it for conditions and actions

Issue #2382543 by rpayanm, ianthomas_uk: Remove usage of drupal_html_class() and drupal_clean_css_identifier()

Issue #2347465 by tim.plunkett, dawehner, cilefen: Convert all instances of #type link/links to convert to use routes.

Issue #2321593 by Temoor: Replace all instances of block_load(), entity_load('block') and entity_load_multiple('block') with static method calls.

Issue #2124957 by Wim Leers, catch: Replace 'content' cache tag with 'rendered' and use it sparingly.