(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

Issue #3032869 by alexpott, tim.plunkett, dww, tacituseu, xjm, Mixologic: \Drupal\Core\Update\UpdateKernel::fixSerializedExtensionObjects() caused test runs to double in duration

SA-CORE-2019-003 by samuel.mortenson, Berdir, pwolanin, dawehner, cashwilliams, Wim Leers, xjm, larowlan, alexpott, plach, damiankloip, tstoeckler, tedbow, DamienMcKenna, effulgentsia, RobLoach, gabesullice, drumm, heshanlk, dsnopek, fago, miro_dietiker, truls1502

Revert "Issue #3031740 by alexpott, tmanhollan, catch, collinhaines: Updating to 8.6.8 or 8.6.9 with Drush 8 causes data loss via update_fix_compatibility()"

This reverts commit 5e2c514e.

Revert "Issue #3032869 by alexpott, tim.plunkett, dww, tacituseu, Mixologic: \Drupal\Core\Update\UpdateKernel::fixSerializedExtensionObjects() caused test runs to double in duration"

This reverts commit 32c21455.

Issue #2672950 by Vj, ilya.no, Krzysztof Domański, elandirayan, Rijidij, amateescu, shahgm, larowlan: Notice: Undefined index: #default_value in Drupal\Core\Datetime\Element\Datetime::valueCallback() (line 103

(cherry picked from commit ea33b157)

Issue #3032869 by alexpott, tim.plunkett, dww, tacituseu, Mixologic: \Drupal\Core\Update\UpdateKernel::fixSerializedExtensionObjects() caused test runs to double in duration

(cherry picked from commit f633f3b1)

Issue #3019333 by tim.plunkett, julenmelgar, Ismail Cherri: If you translate the literal "inline blocks" to another language in the layout builder, it stops working

(cherry picked from commit 60bd499c)

catch authored Sep 13, 2018 and Alex Pott committed Feb 13, 2019

(cherry picked from commit 177ec262)

Issue #3031740 by alexpott, tmanhollan, catch, collinhaines: Updating to 8.6.8 or 8.6.9 with Drush 8 causes data loss via update_fix_compatibility()

(cherry picked from commit 9340bf97)

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

(cherry picked from commit 211c6641)

Issue #2964777 by tim.plunkett, tedbow: Method comment for \Drupal\layout_builder\Plugin\SectionStorage\DefaultsSectionStorage::getDisplay is wrong

(cherry picked from commit 0a692211)

(cherry picked from commit 1e0af070)

Issue #3027236 by rachel_norfolk, kjay, tonypaulbarker, akshay_d, shaal, Eli-T, Not Real, babusaheb.vikas: Umami - hero block is identical on Home and Recipe pages, so potentially confusing

(cherry picked from commit f25412aa)

Issue #3023729 by tim.plunkett, bkosborne, xjm: LayoutBuilderController should iterate over components in a region using Element::children()

Issue #3025865 by quietone, xurizaemon, mikelutz: i18ntaxonomy should be an array in d6 VocabularyPerType source plugin

(cherry picked from commit 6689d45e)

Issue #3030781 by shaal, mcannon, andrewmacpherson, Gábor Hojtsy: Umami - icon misaligned on warning and error messages

(cherry picked from commit 3754be2f)

Issue #2215857 followup by gaydamaka, timmillwood, alexpott, lauriii: Regression on Internet Explorer 11

(cherry picked from commit 266f3f9c1517e1b6b34891474a15f12dd3caa329)

Issue #3031128 by alexpott, TrevorBradley, indigoxela, catch, cilefen, larowlan, jibran: Update from 8.6.7 to 8.6.8 warnings - Drupal\Core\Extension\Extension has no unserializer

(cherry picked from commit bf21c001)

Revert "Issue #2924201 by tim.plunkett, tedbow, larowlan, xjm, jibran, Kristen Pol: Resolve random failure in LayoutBuilderTest so that it can be added to HEAD"

This reverts commit d0f9902f.

Issue #2924201 by tim.plunkett, tedbow, larowlan, xjm, jibran, Kristen Pol: Resolve random failure in LayoutBuilderTest so that it can be added to HEAD

(cherry picked from commit c029270e)

Issue #2975539 by mondrake, alexpott, marcoscano, desierto: Changing machine name of image style leads to WSOD when loading widgets that used the old name

(cherry picked from commit 21b62c60)

Issue #2859315 by quietone, heddn, jhodgdon: SQL error from profile_fields when migrating d6 (or d7) to d8 without Profile module

(cherry picked from commit d74e36a4)

Issue #2443165 by davidwbarratt, amateescu, HOG, kostyashupenko, yched, Berdir, andypost, alexpott, tstoeckler, xjm: Drupal\Core\Entity\EntityInterface\ContentEntityStorageBase::doCreate() assumes that the bundle is a string

(cherry picked from commit c594d13e)

Issue #2849074 by decafdennis, alexpott, zuuperman, AdamPS, sagesolutions, tucho, xjm: SiteConfigureForm overrides value from install profile

(cherry picked from commit 04d46f62)

Issue #3007716 by Sam152, kevin.dutra, jhedstrom, larowlan: Security update introduces breaking changes to content moderation

(cherry picked from commit 73d9d9b7)

Issue #2215857 by michielnugter, Lendude, gmercer, tim.plunkett, cferthorney, marabak, olli, ericmulder1980, TwoD, sanduhrs, stella, dww, nod_: Behaviors get attached to removed forms

(cherry picked from commit 57f1f1a4)

Issue #3017812 by ibustos, joachim: Language selector is immune to hook_entity_field_access in entity forms

(cherry picked from commit f6674fa4)

Issue #2900883 by larskhansen, GaëlG, kalyansamanta, Chi, tim.plunkett, Gábor Hojtsy, joachim: Wrong documentation of Drupal\Component\Plugin\Derivative\DeriverInterface::getDerivativeDefinitions()

(cherry picked from commit 6429dc64)

(cherry picked from commit a3a8e460)