Issue #3000677 by catch, Shane Birley, featherbelly, alexpott: Fatal error after upgrade to 8.6x [due to regression in extension system]

Issue #3020385 by catch, vacho, alexpott, sjerdo, borisson_: Symfony 3 and Symfony ^4.2 JsonEncode constructors are incompatible

Issue #2955457 by pfrenssen, Chewie, unrealauk, alexpott, Pol: ConfigFactory static cache gets polluted with data from config overrides

Issue #3004718 by quietone, Jo Fitzgerald, edysmp: Better MigrateException message in the format_date process plugin

Issue #2977107 by Berdir, alexpott, jibran, larowlan: Use more specific entity.manager services in module .services.yml files

Issue #3020142 by mglaman, tim.plunkett: Test module no_transitions_css has invalid hook_page_attachments

Issue #3007973 by tim.plunkett, lukasss, xopoc, bnjmnm, stompersly: Layout builder prevents the rendering of extra fields (like Links) on pages not using Layout Builder

Issue #3020707 by seanB, phenaproxima, xjm, webchick, larowlan: Streamline buttons in the media library widget

Issue #3023126 by spitzialist, minakshiPh, el7cosmos: Class Drupal\migrate\Row referenced with incorrect case: Drupal\Migrate\Row

Issue #3024259 by Pol, alexpott: [PHP 7.3] Fix EnvironmentTest::providerTestCheckMemoryLimit() notice

Issue #2691675 by Berdir, Mile23, alexpott: Replace deprecated entityManager() in ControllerBase descendents

Issue #3003713 by Wim Leers, alexpott, zann1e, idebr: Use absolute URLs in link relations Google doesn't support relative URLs

Issue #2938132 by tedbow, tim.plunkett, xjm, EclipseGc, AaronMcHale, alexpott, DyanneNova: Ship layouts that make sense with Layout Builder's concept of sections

Issue #3020001 by Wim Leers, jeqq: Error when normalizing entity reference field item that references to a new entity

Issue #2978922 by brathbone, philipnorton42, msankhala, hardikpandya, alexpott, siliconmeadow: Improve batch_process() documentation

Issue #2926855 by Wim Leers, vacho: Normalize  docblock + value of all NormalizerInterface::$supportedInterfaceOrClass occurrences

Issue #2845975 by quietone, Jo Fitzgerald, aleevas, maxocub, Gábor Hojtsy: Migrate Drupal 6 user profile field value option translations

Issue #2693727 by mikelutz, sanduhrs, CalebD, ajlib, Lendude, tstoeckler, catch: Limiting options for exposed Language filters causes errors and doesn't work for special languages

Issue #2983568 by kjay, smaz, John Cook, andrewmacpherson, alexpott, markconroy, emma.maria, Eli-T, mairi, jogordon: Audit and improve focus styles across the Umami theme for logged out users

Issue #3023402 by alexpott: \Drupal\Tests\Component\Datetime\DateTimePlusTest fails on latest PHP7.3 build

Issue #3019030 by Upchuk: Ensure loadMultipleRevisions() returns the revisions in the same order as the passed IDs

Issue #3001997 by Krzysztof Domański, scott_euser, alexpott: Transliteration a string containing an unknown character (e.g. 0x80) is not valid

Issue #2917917 by MaskOta, andersen_ti, Venkatesh Rajan.J, Chi: Change title for create action and edit action routes

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

Issue #3008446 by alexpott, jcnventura, fenstrat, quietone, voleger, andypost: Complete the deprecation of format_date()

Issue #2695207 by Lendude, finne, biguzis, dawehner, xjm: Text (plain, long) field is not click sortable and does not appear in combine fields filter

Issue #3022713 by tim.plunkett: Remove vestigial $sectionList properties from section storage classes

Issue #2976148 by tim.plunkett, phenaproxima, xjm, tedbow, Wim Leers, EclipseGc, larowlan, dead_arm: Layout-based entity rendering should delegate to the correct section storage instead of hardcoding to either defaults or overrides

Issue #3020718 by jibran, Sam152: system_post_update_add_expand_all_items_key_in_system_menu_block fails if blocks module is disabled

Issue #2952626 by Daniel Korte, tstoeckler, romainj, John Pitcairn: Toolbar tab click potentially accessing wrong element due to JavaScript event delegation