Issue #3045967 by alexpott: Update Symfony components (3.4.24) and Twig (1.38.4) to latest bugfix release

Issue #3046243 by tim.plunkett, jibran, dpi: Regression: Optional context values may throw exceptions if unsatisfied

git commit -m Issue

Issue #3044749 by amateescu, plach, Joseph Zhao: Drupal Core Update (8.7.0-beta1) - the "workspace" plugin does not exist

Issue #3043228 by shaal, kjay, bnjmnm, tim.plunkett, Gábor Hojtsy: Add Umami-specific styling for Layout Builder messages

Issue #3044250 by kjay, shaal, pawandubey, markconroy, Gábor Hojtsy, lauriii: Make the highlighted region in Umami more flexible so it adapts to its use with Layout Builder and could be used to demonstrate placement of other blocks

Issue #3045349 by alexpott, mikelutz, mglaman: Lazy started sessions with session data are not saved with symfony/http-foundation 3.4.24

Issue #3041081 by claudiu.cristea, Manuel Garcia, alexpott: Convert ConfigEntityImportTest to a kernel test

This reverts commit 1eabc0b8.

Issue #2031183 by Berdir, marthinal, martin107, Krzysztof Domański, Cyberwolf, tim.plunkett, jhedstrom, tassoman, jhodgdon, Kristen Pol: Improve test coverage for node authored on widget

Issue #2705205 by amateescu, plach, tstoeckler: Improve test coverage around updating table mapping after a new field storage definition is added

Issue #3041779 by claudiu.cristea, Lendude: Convert LatestTranslationAffectedRevisionTest into a kernel test

Issue #3042540 by claudiu.cristea, Lendude: Convert user RelationshipRepresentativeNodeTest into a kernel test

Issue #3042472 by claudiu.cristea, phenaproxima, Lendude: Convert HandlerArgumentUserUidTest into a kernel test and clean up the surrounding code

Issue #3041042 by Krzysztof Domański, claudiu.cristea, Berdir, Lendude, phenaproxima: Convert UserEntityCallbacksTest to a kernel test

Issue #3041727 by Manuel Garcia, claudiu.cristea, amateescu: Convert ViewRenderTest into a Kernel test

Issue #3031528 by mr.baileys, heddn, mikelutz, alexpott: LinkUri source value should not be an array

Issue #3037042 by claudiu.cristea, Lendude: Convert LocaleUpdateTest::testUpdateProjects() to a kernel test

Issue #3034015 by mondrake, Wim Leers, Mile23: Class to test deprecation error for deprecated trait triggers deprecation error itself