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

Issue #2919890 by Darvanen, tstoeckler, xjm: Make BlockContentType use a route provider instead of hard-coded routes

Issue #2887311 by naveenvalecha, vaplas, Lendude: Convert BlockContentTypeTest web tests to browser tests for block_content module

Issue #2855636 by idebr, Pavan B S, chiranjeeb2410, nikunjkotecha, NikitaJain, hugovk, krknth, xjm: Regression: incorrect human-readable name for content type

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

Issue #2697909 by pguillard, himanshugautam, snehi, aburrows, jhodgdon: Fix "login (noun/adjective)" vs. "log in (verb)" in comments (and logout/log out)

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

Issue #2574975 by alexpott, Cottser, izus: Allow (base-)themes to be excluded from the UI (e.g. blocks, Appearance)

Issue #2476947 by mdrummond, Wim Leers, davidhernandez, lauriii, joelpittet, andypost, Cottser, JeroenT, Manuel Garcia, rpayanm: Convert "title" page element into a block

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 #2383871 by mgifford, rpayanm, a_thakur, maximpodorov, AohRveTPV, jhodgdon: Spellchecking Drupal - PHP

Issue #2377113 by JeroenT, mglaman, LinL, pcambra: Replace all instances of entity_load('block_content') and entity_load_multiple('block_content') with static method calls

Issue #2403105 by larowlan, idebr, mshaver: Add an empty text on "Add Custom Block" page when no custom block types are available

Issue #1728804 by Berdir: Introduce (Content)EntityDeleteForm and children to handle entity deletions

Issue #2395395 by alexpott, effulgentsia, Gábor Hojtsy: TestBase lacks a config method to be used consistently in tests

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

Issue #2350823 by lauriii, jhedstrom, Tim Bozeman, cilefen, davidhernandez, inqui, Cottser, xjm: Use the Classy theme in the Testing profile

Issue #2340667 by YesCT, Pedro Lozano, alexpott, martin107: Protect Drupal\Core\Language\Language::id, and use getId().

Issue #2340251 by iMiksu, alexpott, tim.plunkett, dawehner, Wim Leers: Remove most remaining url() calls.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2286681 by alexpott, tim.plunkett: Fixed Make public properties on ConfigEntityBase protected.

Issue #1920862 by martin107, Mixologic, cilefen, larowlan, xan.ps, tim.plunkett | sun: Rename custom_block.module to block_content.module.

Issue #1919916 by oadaeh, larowlan, jessehs, babruix: Change label of custom block default body field from "Block body" to just "Body".

Issue #2166915 by ianthomas_uk, sun | plach: Remove uses of deprecated language functions in tests and procedural code.