Issue #2829185 by vaplas, Jo Fitzgerald, anmolgoyal74, chipway, gaurav.kapoor, mark_fullmer, amit.drupal, cilefen, longwave, xjm, wturrell, anavarre: Fix spelling errors in Drupal core comments

(cherry picked from commit 2dabd1de)

Issue #3000958 by virajrajankar, michaellenahan: Grammar error in FormState.php documentation comment for $rebuild

(cherry picked from commit 586d121c)

Issue #2999387 by iuana, tashaharrison80, fgm, mradcliffe: Types documented for method returns on ConfirmFormInterface are mostly wrong

(cherry picked from commit 00d864da)

Issue #2994398 by tim.plunkett, phenaproxima, vmilic, Berdir, Wim Leers, tedbow, bradjones1: Not properly clearing EntityFieldManager's fieldMap leads to fatals, often after migration or bundle creation

(cherry picked from commit d3784a13)

Issue #2860341 by heddn, juampynr, seanB, RumyanaRuseva, ephod, stephsem23: PrivateTempStore->getOwner Attempts to access possibly unset Request Session

(cherry picked from commit 7ae9670d)

(cherry picked from commit 1ecde059)

(cherry picked from commit 4cafe992)

(cherry picked from commit 70fed9cb)

Issue #2938951 by tstoeckler, amateescu, alexpott: The primary key is not correctly re-created when updating the storage definition of an identifier field

(cherry picked from commit 383c6ee5)

Issue #2142107 by drunken monkey, gilsbert, David_Rothstein, mondrake, Kristi Wachter: Complex cloned query dependent on __toString() call

(cherry picked from commit 74ba0f68)

Issue #2926122 by Adameue, zaporylie, BartoszUrbaniak, borisson_, idebr: Use lower-case, PEAR style, primitive data types

(cherry picked from commit dd7fd60f)

Issue #2986560 by kaythay, catch, mpdonadio: UnroutedUrlAssembler sorts Query params in buildExternalUrl()

(cherry picked from commit a95fa0bd)

Issue #2912363 by tim.plunkett, pwolanin: LocalTaskDefault/LocalActionDefault ignore parameters when raw parameters are not present

(cherry picked from commit a4cedd8c)

Issue #2905109 by iainp999, gawaksh, msankhala, joachim, borisson_, alexpott: DrupalKernel::guessApplicationRoot() should document what the assumptions are and what it's doing

(cherry picked from commit 03a3058d)

Issue #2983887 by Berdir: Add static cache to \Drupal\Core\Entity\ContentEntityStorageBase::getLatest*RevisionId()

(cherry picked from commit 8f00a9a1)

Issue #2992017 by tim.plunkett, neclimdul, tedbow, johndevman: \Drupal\Core\Plugin\Context\EntityContextDefinition::getSampleValues() needlessly generates full sample entities

(cherry picked from commit 033f2a26)

Issue #2894261 by alexpott, Berdir, Sam152, deepakaryan1988, larowlan, andypost: Deprecated service entity.manager needs to be replaced with entity_type.manager in ContentEntityForm

(cherry picked from commit 077e2307)

Issue #2772321 by msankhala, shashikant_chauhan, dhruveshdtripathi, vimal_nadar, joachim: insert() and other public methods with an  param should refer to where to find details on this

(cherry picked from commit 4ba4c09f)

Issue #2895532 by caseylau, Wim Leers, tedbow, dawehner, DamienMcKenna, gabesullice, Berdir, mistermoper, skyredwang, larowlan, bojanz: @DataType=map cannot be normalized, affects @FieldType=link, @FieldType=map

(cherry picked from commit 725e3609)

(cherry picked from commit ae7bca02)

Issue #2937853 by idebr, mfernea, SherFengChong, alexpott, borisson_: Fix 'Drupal.Formatting.MultipleStatementAlignment' coding standard

(cherry picked from commit 6c40e077)

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

(cherry picked from commit 02330aaa)

Issue #2987124 by alexpott, mondrake: Functional tests don't use SIMPLETEST_DB environmental variable as expected

(cherry picked from commit bacd6578)

Issue #2989686 by msankhala, joachim, jwlockhart: documentation topic uses self:: outside of a class

(cherry picked from commit 1781eeaf)

(cherry picked from commit e3d81645)

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

This reverts commit a367e2c9.

(cherry picked from commit a4208fd3)

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

(cherry picked from commit f4e81e05)

Issue #2990118 by amateescu: Optimize 'initial' and 'initial_from_field' handling in MySQL and PostgreSQL

(cherry picked from commit bc328489)

Issue #2982759 by amateescu: EntityUpdateToRevisionableAndPublishableTest wrongly assumes entities should be converted to revisionable and publishable in a single step

(cherry picked from commit 9ca1ea1c)