Issue #3358581 by pfrenssen, _tarik_, a.dmitriiev, smustgrave, longwave, larowlan: Deprecated function: array_slice(): Passing null to parameter #2 ($offset) of type int is deprecated in Drupal\Core\Config\Entity\Query\Query->execute()

Issue #3187004 by recrit, a.dmitriiev, mohit_aghera, ranjith_kumar_k_u, larowlan, Matroskeen, smustgrave, Kristen Pol, neclimdul: DrupalDateTime serialization issue

Revert "Issue #3358581 by pfrenssen, _tarik_, a.dmitriiev, smustgrave: Deprecated function: array_slice(): Passing null to parameter #2 ($offset) of type int is deprecated in Drupal\Core\Config\Entity\Query\Query->execute()"

This reverts commit 8226fe88.

Issue #3358581 by pfrenssen, _tarik_, a.dmitriiev, smustgrave: Deprecated function: array_slice(): Passing null to parameter #2 ($offset) of type int is deprecated in Drupal\Core\Config\Entity\Query\Query->execute()

Issue #3071803 by Niklan, a.dmitriiev, mheip, smustgrave, joachim: DefaultSelection::buildEntityQuery requires entities to have bundle key

Issue #2911377 by smustgrave, ProFire, MerryHamster, ranjith_kumar_k_u, Medha Kumari, Spokje, neclimdul, a.dmitriiev, quietone, catch, Gábor Hojtsy: Fix for Unit Test on Windows

Issue #2966043 by phenaproxima, owenbush, a.dmitriiev, marcoscano, tapscolaM, xtineroque, ramya.shankaralingam: Handle oEmbed resources without an explicit height

Issue #2863652 by alexpott, anmolgoyal74, javi.pl, dww, zaporylie, moinak_dutta, iampuma, a.dmitriiev, benjifisher, Pancho, larowlan, yoroy: Do not allow files with "php|pl|py|cgi|asp|js" extensions to be renamed to *.txt and be uploaded if *.txt is not allowed by the field widget

Issue #2908271 by Jo Fitzgerald, swati.nuna, a.dmitriiev, TR, BramDriesen, Mile23: Replace deprecated \Drupal::entityManager() in EntityReferenceItem

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 #2893029 by phenaproxima, Sam152, tim.plunkett, alexpott, a.dmitriiev, dawehner, Berdir: EntityType objects cannot be reliably serialized without DependencySerializationTrait

Revert "Issue #2893029 by phenaproxima, Sam152, tim.plunkett, dawehner, a.dmitriiev, Berdir: StringTranslationTrait consumers cannot be reliably serialized without DependencySerializationTrait"

This reverts commit f4e81e05.

Issue #2893029 by phenaproxima, Sam152, tim.plunkett, dawehner, a.dmitriiev, Berdir: StringTranslationTrait consumers cannot be reliably serialized without DependencySerializationTrait

Issue #2421663 by timmillwood, dmitrii, amateescu, dawehner, xjm: Statistics module installs {node_counter} even if Node is uninstalled

Issue #2014015 by kgoel, dmitrii, Berdir: Replace drupal_container() with Drupal::service() in the simpletest module.

Issue #2009674 by pplantinga, Samvel, dmitrii: Replace theme() with drupal_render() in system module.