Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays

Issue #2562089 by phenaproxima: d7_field_formatter_settings migration does not handle empty settings

Issue #2554889 by Berdir, Cottser, Daniel_Rose, JeroenT, RavindraSingh, Wim Leers, YesCT, akalata, alexpott, alimac, aneek, catch, cdulude, chx, cilefen, cmanalansan, crowdcg, cwells, davidhernandez, dawehner, dtraft, effulgentsia, harjotsingh, hass, ianthomas_uk, joelpittet, josephdpurcell, justAChris, kbaringer, lauriii, lduerig, leslieg, lokapujya, mpdonadio, peezy, pwolanin, realdream, sclapp, stefan.r, tim.plunkett, webchick, xjm: Remove SafeMarkup::set() from the codebase.

Issue #2560751 by lauriii, alexpott: Remove all usages SafeMarkup::checkPlain() from Views titleQuery()

Issue #2504139 by borisson_, Wim Leers, plach, prashantgoel, Fabianx, dawehner, David_Rothstein, effulgentsia: Blocks containing a form include the form action in the cache, so they always submit to the first URL the form was viewed at

Issue #2561129 by plach, alexpott, catch: Composite indexes are not correctly deleted/re-created when updating a field storage definition

Issue #2561229 by alexpott, dawehner: Upgrade content tests fails on postgres for translated comment

Issue #2560659 by benjy, phenaproxima, neclimdul: Invalidate the Migration destination plugin when overriding with set()

Issue #2484405 by phenaproxima, quietone, neclimdul: User pictures do not need a dedicated process plugin

Issue #2560851 by alexpott, Xano: Deprecate EntityListBuilder::getLabel() and remove usages of SafeMarkup::checkPlain()

Issue #2560719 by stefan.r: Remove usage of t() string in the array keys for the database install tasks

Issue #2539848 by sdstyles, pguillard, deepakaryan1988, ankur7213: Mark EntityHandlerBase as @deprecated for 9.x

Revert "Issue #2548725 by dawehner: Fix database exception handling, causing test fails in PostgreSQL"

This reverts commit 4b7ba213.

Issue #2382985 by phenaproxima, quietone, -enzo-, benjy: Migration Files for Drupal 7 Menu & Menu Entries

Issue #2558839 by quietone, mikeryan, phenaproxima: Node builder should incorporate node type into label

Issue #2423103 by phenaproxima, quietone, miguelc303, mikeryan: Migration Files for Drupal 7 Content

Issue #2548725 by pwolanin, catch, dawehner, mradcliffe: Fix regression to menu serialization in upgrade path that causes thousands of errors in PostgreSQL

Issue #2557021 by sasanikolic, tim.plunkett: Url Filter does not correctly recognise URL's with uppercase query arguments

Issue #2560521 by dawehner, plach, larowlan, lauriii, Xano, Wim Leers, catch, jhedstrom: Javascript does not work on beta 12 => HEAD update.php

Issue #2556029 by geertvd, Jaesin, dawehner: REST views unchecking "Display all values in the same row" doesn't limit the value to one per row

Issue #2521978 by kim.pepper: core/modules/system/src/Plugin/Condition/RequestPath should use the 'url.path' cache context