Issue #3023402 by alexpott: \Drupal\Tests\Component\Datetime\DateTimePlusTest fails on latest PHP7.3 build

(cherry picked from commit 6a888784fc2bed9ea6f315fec4f0f63f3376f64f)

Issue #3001997 by Krzysztof Domański, scott_euser, alexpott: Transliteration a string containing an unknown character (e.g. 0x80) is not valid

(cherry picked from commit f9e7921b)

Issue #3018942 by welly, alexpott, jibran, Krzysztof Domański, floydm: Domain URL language detection - InvalidArgumentException: The user-entered string must begin with a '/', '?', or '#'

(cherry picked from commit 79e94b49)

(cherry picked from commit 60574dd0)

This reverts commit 12173dcf.

Issue #3022183 by wengerk, benjifisher: Fix BlockContentAccessHandlerTest::providerTestAccess wrong coverage by early return

(cherry picked from commit 30fb2237)

Issue #2984072 by vijaycs85, Lendude, ApacheEx, dawehner: System: Convert ErrorHandlerTest to phpunit

(cherry picked from commit bda5967e)

Issue #3019706 by hchonov, alexpott, sheanhoxie, jibran, dawehner: Functional JS Tests are broken if XDEBUG_CONFIG is set as an env variable

(cherry picked from commit 32dfb620)

Revert "Issue #3019706 by hchonov, jibran: Functional JS Tests are broken if XDEBUG_CONFIG is set as an env variable"

This reverts commit 14fa028c.

(cherry picked from commit 29d53e51)

Issue #3019706 by hchonov, jibran: Functional JS Tests are broken if XDEBUG_CONFIG is set as an env variable

(cherry picked from commit 6248e44d)

(cherry picked from commit 994e7ec7)

Issue #2939908 by kjay, steveparks, spitzialist, cferthorney, danharper, Eli-T: Add an article to Umami - Dairy-free chocolate

(cherry picked from commit f864e1b6)

Issue #3007439 by tim.plunkett, Wim Leers, xopoc: Layout builder renders Book navigation block on non-book pages

(cherry picked from commit 8bf6ee38)

Issue #2927768 by justinlevi, Lendude, pritish.kumar, Wim Leers, dawehner: Update RestRegisterUserTest to use the ResourceTestBase base class instead of the deprecated RESTTestBase

(cherry picked from commit 47817754)

(cherry picked from commit b4297ade)

Issue #3020579 by catch: TypeError: Argument 3 passed to Symfony\Component\HttpKernel\Event\FilterResponseEvent::__construct() must be of the type integer, string given [Symfony 4]

(cherry picked from commit 96ef9952)

(cherry picked from commit 46f02154)

Issue #2865344 by mpdonadio, Lendude, mbovan, organicwire, alexpott, jibran, jhedstrom, bobemoe, Berdir, larowlan: Exposed date filters 'empty' and 'not empty' are broken

(cherry picked from commit 8e3bcf48)

Issue #2974274 by mitrpaka, RumyanaRuseva, joachim: exception message for unrecognized source IDs in lookupDestinationIds() should have more detail

(cherry picked from commit aa577bef)

Issue #2809305 by Upchuk, Pavan B S, Jo Fitzgerald, tim.plunkett, Berdir: Block Context assignment form element shows even if no options are available

(cherry picked from commit 55f13aac)

(cherry picked from commit a9472244bf827f1e6549e9edb6997bd508d4bd16)

Issue #3018539 by phenaproxima, rodrigoaguilera, alexpott: Media types cannot be created in the UI without JavaScript

(cherry picked from commit 3ba6bc11)

Issue #3018764 by Wim Leers: One test case in MediaUiFunctionalTest is not actually tested due to a duplicate key

(cherry picked from commit 52901b5f)

Issue #2998462 by AndyF, Baysaa, Siavash, tim.plunkett, millionleaves, fatmarker: Error adding Content Type Selection criteria or Context

(cherry picked from commit 14606cca)

Issue #3016501 by govind.maloo, andrewmacpherson, markconroy: Writing style - Umami should be capitalised when it is used as a proper noun in English

(cherry picked from commit 43955572)

(cherry picked from commit f7f07d81)

Issue #2883260 by kiamlaluno, yogeshmpawar, msankhala, benjifisher, alexpott, bdlangton: Replace the schema example with one actually used from a module

(cherry picked from commit b9c85bd4)

Issue #2883553 by govind.maloo, msankhala, seanB, Berdir, xjm, alexpott: Obsolete argument for hasPermission in node_node_access()

(cherry picked from commit 269c716d)

(cherry picked from commit 2b511ec3)

(cherry picked from commit 76bb5111)

Issue #2956368 by marcoscano, Nitebreed, ph53: MediaThumbnailFormatter produces unhelpful text alternative and title attributes for media thumbnails

(cherry picked from commit e6dfd046)

Issue #3000240 by govind.maloo, philipnorton42, msankhala, izus, scott_euser, joachim, alexpott, catch: hook_user_format_name_alter() should document that it's invoked for both user entities and session objects

(cherry picked from commit b6208e52)

Issue #3014669 by kalyansamanta, govind.maloo, msankhala, hardikpandya, joachim, awangsetyawan: return value for hook_entity_bundle_info() doesn't mark 'uri_callback' as optional

(cherry picked from commit 5a83be42)

Issue #2977276 by Sam152, ergonlogic, amateescu, jibran, catch, greggmarshall: Node views integration that joins revisions to the default entity fails to consider langcode, resulting in duplicate rows

Revert "Issue #3016458 by tim.plunkett, xjm: ContextHandler should use setContext() not setContextValue()"

This reverts commit 2b93e802.