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

Issue #3053552 by alexpott, oriol_e9g, cilefen, xjm, Skin, luke.stewart: Bump typo3/phar-stream-wrapper library version to v2.1.2 to remove fileinfo extension dependency

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)