Issue #2976589 by drpal, lauriii, justafish, ckrina : Merge Admin UI redesign and JavaScript modernization initiatives

Issue #1596472 follow-up by tacituseu: Replace hard coded static cache of entities with cache backends

Issue #2932249 by Murz, xjm, andypost, Chi, amateescu: Incorrect transliteration of some Russian Cyrillic characters

Revert "Issue #2932249 by Murz, xjm, andypost, Chi: Incorrect transliteration of some Russian Cyrillic characters"

This reverts commit cbac738d.

Issue #2851228 by timmillwood, matthieuscarset, Manuel Garcia, Sam152, Gábor Hojtsy, yoroy, tstoeckler, alexpott, Shiraz Dindar, Fabianx, nbchip: Warn users of what features are not available on a given entity type

Issue #2975368 by msankhala: badly formatted sample code in core.api.php for hook_config_import_steps_alter

Issue #1596472 by catch, amateescu, claudiu.cristea, Berdir, Mile23, Sam152, pounard, fago, alexpott, fubhy, hchonov: Replace hard coded static cache of entities with cache backends

Issue #2932249 by Murz, xjm, andypost, Chi: Incorrect transliteration of some Russian Cyrillic characters

Issue #2975762 by Berdir, hchonov, plach: Respect existing #multilingual property in content_translation_form_alter()

Issue #2916781 by timmillwood, tedbow, drpal, lauriii, Adita, andrewmacpherson, yoroy, amateescu, borisson_, ckrina: Allow off-canvas dialog to be rendered at the top of the page

Issue #2975056 by msankhala, joachim: broken sample code in deprecation notices for entity.inc functions

Issue #2956381 by msankhala: Missing help message when adding new action and Incorrect help message when editing action

Issue #2974553 by Mixologic, justafish, drpal, dawehner: Nightwatch testing fails to save console logs for some tests

Issue #2960605 by anmolgoyal74, surbz, msankhala, arunkumark, jibran, alexpott: Add docs to the empty hook_update_N used for cache clearing

Issue #2961922 by rlhawk: Scale and crop image effect can't be edited in Large 3:2 (768x512) image style

Issue #2942490 by swati.nuna, deanc96, markconroy, Eli-T, kjay: Colored background of link focus in a sentence is a bit weak

Revert "Issue #2865247 by Jo Fitzgerald, NickWilde, rakesh.gectcr, heddn, maxocub: Migration lookup process plugin doesn't check validity of provided migration(s)"

This reverts commit b208b077.

Issue #2940012 by John Cook, rachel_norfolk, abhisekmazumdar, andrewmacpherson, alexpott: Use prefers-reduced-motion media query on batch progress bar

Issue #2942489 by idebr, Vidushi Mehta, susannecoates, Mukeysh, markconroy, TaoStyle, matias, HAL 9000, seeallie: Links in footer could be more accessible

Issue #2926069 by Jo Fitzgerald, heddn, Dinesh18, borisson_, xjm: StatisticsViewsResult should only deal in integer values

Issue #2865247 by Jo Fitzgerald, NickWilde, rakesh.gectcr, heddn, maxocub: Migration lookup process plugin doesn't check validity of provided migration(s)

Issue #2969902 by mihai11, Jo Fitzgerald, amateescu, alexpott: Fix "MigrateCckFieldInterface is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \Drupal\migrate_drupal\Annotation\MigrateField instead." deprecation message

Issue #2973127 by vaplas, Mile23, alexpott: Exclude *TestBase.php, *Trait.php and *Interface.php files from test discovery reflection

Issue #1252606 by rlhawk, dsnopek, attiks, alansaviolobo, MariaDenysyuk, j0rd, sushyl, Adysone, Alan Evans, mondrake, andypost, alexpott, sun, tstoeckler: Add crop anchor option to Scale and Crop image effect

Issue #2955685 by Wim Leers, dawehner, mpdonadio, alexpott, borisson_: Unrouted URLs cannot have have overridden query or fragments

Issue #2858184 by tstoeckler, alexpott, amateescu: Adding NOT NULL to base fields with multiple columns is broken

Issue #2973347 by Wim Leers: EntityCreateAccessCheck should provide a useful error message when no bundle is specified

Issue #2960013 by quietone, Jo Fitzgerald, mikeryan, alexpott: i18n menu links translation in wrong directory

Issue #2949363 by vaplas, Mile23, timmillwood, alexpott, Lendude: Impossible to make trigger_error in some files without test fails