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

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

Issue #3040210 by Spokje, phenaproxima, shaal, lauriii, hctom, a.dmitriiev, xjm, cilefen, eelkeblok: Updating twig/twig to v1.38.2 (included in Drupal 8.6.11) causes fatal error when embed tags are used in templates

Issue #3037970 by Berdir, Baysaa: Custom serialized field's data should be normalized even if it's empty

Issue #3039408 by vijaycs85, WidgetsBurritos, alexpott, phenaproxima, Joseph Zhao, tstoeckler, kfritsche, mikelutz, fabpot: Updating twig/twig to v1.38.0 or v1.38.1 causes fatal error

Revert "Issue #2135445 by dww, Sam152, jessebeach, Mile23, Kristen Pol, Wim Leers, larowlan: Toolbar displays Manage tab even if the user is not permitted to see it"

This reverts commit f458f5a2.

Issue #2947517 by Lendude, jibran, alexpott, larowlan: Selenium driver: API to get remote file paths

(cherry picked from commit 2c4ca068)

Issue #2999723 by hiway, pawandubey, shaal, kjay, MaddieC, lauriii: Umami's card layout broken in IE11

(cherry picked from commit 7a3b2372)

(cherry picked from commit e2b0a1e4)

Issue #3034913 by govind.maloo, wombatbuddy: Written 'Confuration' instead of 'Configuration' in the 'Typed Data API' article

(cherry picked from commit b4c8b017)

(cherry picked from commit 04343d7d)

Issue #2975081 by alexpott, amateescu, larowlan, mtodor, catch: UpdatePathTestBase fails to re-initialize the test site (rebuild container, clear caches) after running the database updates

(cherry picked from commit f4ef94ae)

(cherry picked from commit 7e2e9e8c)

Issue #2870458 by Lendude, alexpott, jibran, vijaycs85, Wim Leers, dawehner, Gábor Hojtsy: Convert web tests to browser tests for quickedit module

(cherry picked from commit cd03cd42)

Revert "Issue #2870458 by Lendude, jibran, alexpott, vijaycs85, Wim Leers, dawehner, larowlan: Convert web tests to browser tests for quickedit module"

This reverts commit 2871d43e.

Issue #2870458 by Lendude, jibran, alexpott, vijaycs85, Wim Leers, dawehner, larowlan: Convert web tests to browser tests for quickedit module

(cherry picked from commit a9745363)

Issue #2937639 by hotwebmatter, hiway, andrewmacpherson, markconroy, shaal, cehfisher, mgifford, kjay, Eli-T, kbeck303: Umami Theme - a11y context is needed for read more links

(cherry picked from commit 3eeddcfc)

Issue #3021406 by ApacheEx, Lendude: Convert \Drupal\Tests\quickedit\FunctionalJavascript\QuickEditLoadingTest::testDisplayOptions to a kernel test

(cherry picked from commit d7618cb0)

Issue #3030929 by kiwimind, Kavichandran P, c.nish2k3, quietone: User migrations tests in wrong directory

(cherry picked from commit bba5f205)

(cherry picked from commit dbf4fb86)

Issue #3032376 by alexpott, dww, Berdir: Files renamed by \_file_save_upload_single() do not have the correct filename on the File entity

(cherry picked from commit 9431a1cb)

Issue #3032620 by alexpott, dww: \Drupal\file\Plugin\rest\resource\FileUploadResource uses basename() when it needs to use the Drupal version

(cherry picked from commit e1ec2535)

Issue #3033494 by alexpott, dww, tim.plunkett: SiteConfigureForm can install the file module without the field module

(cherry picked from commit 5d2bc249)

Issue #3035318 by mpdonadio: `DateFormatter()` assumes 30 days per month, while February only has 28 days.  Causes fails in tests

(cherry picked from commit bdfafab7)

Issue #2995200 by Sam152, sjancich: Defaults for publishing options do not save when workflow is enabled

(cherry picked from commit d0a2440c)

Issue #3029661 by Lendude, dawehner: Move BrowserTestBase tests out of modules/simpletest into /tests

(cherry picked from commit 185513fe)

Issue #3027745 by claudiu.cristea, idimopoulos, wengerk, alexpott: UniqueFieldConstraint doesn't work for entities with string IDs

(cherry picked from commit ee822bb0)

(cherry picked from commit dcf633a9)

(cherry picked from commit d540d8d6)

Issue #2994550 by tedbow, tim.plunkett, gapple, johndevman, Wim Leers, neclimdul, EclipseGc, catch: Filtering block plugins by context is slow

(cherry picked from commit 2753c013)

Issue #3028490 by tim.plunkett, Kristen Pol, xjm, tedbow, r.aubin, phenaproxima: Users with "configure any layout" can see entities they don't have "view" access to