Issue #3057459 by Mile23, alexpott: Add composer/composer as a dev dependency of core so that we can test Composer plugins

Issue #2944552 by mpdonadio, bhanuprakashnani, liquidcms, Sophie.SK, tacituseu: Documentation for #default_value in Date form element is incorrect

Issue #3056414 by yogeshmpawar, R.shaikh, joachim, John Cook: inaccurate property docs for Drupal\Core\Site\Settings

Issue #3060603 by nuez, marcoscano, phenaproxima, alexpott, seanB: Live preview is broken when editing the media_library view

Issue #2881212 by Eli-T, huzooka, lauriii: Formatting guidelines toggle script relies on Classy selectors

Issue #3044649 by phenaproxima, seanB, Wim Leers, alexpott: Delegate media library selection handling to the "thing" that opened the library

Issue #1886018 by dagmar, Munavijayalakshmi, Lendude, Manuel Garcia, abi_cima, alexpott: Make it possible to configure exposed filter operators

Revert "Issue #2979966 by quietone, PieterDC, masipila, heddn, Gábor Hojtsy: Migrate D7 i18n taxonomy term language"

This reverts commit 81543e17.

Issue #3021247 by jeqq, alexpott, amateescu: Bypass workspace access permission is not working as expected

Issue #2991577 by BrightBold, cristiroma, lolcode, morrisona, cosmicdreams, Eli-T, alexpott, jcloys, pawandubey, shaal, kjay: Pluralise taxonomy terms in Umami's Recipe Category vocabulary

Issue #3054582 by jeqq, blazey, Leksat, Gábor Hojtsy, larowlan, amateescu: Add field ui to workspaces

Issue #2899923 by Manuel Garcia, vijaycs85, chr.fritsch, andypost, jibran, Anybody, amateescu, alexpott, larowlan, jedgar1mx, merauluka, longwave: UI for publishing/unpublishing taxonomy terms

Issue #3019202 by g_miric, seanB, xjm, Wim Leers, phenaproxima, marcoscano: Rename "File" media type to "Document"

Issue #3027598 by amateescu, pmelab, alexpott, larowlan: Omit workspaces entity presave and predelete hooks for internal entities

Issue #3060983 by alexpott, Eli-T: Upgrade chokidar so that we can install on OSX with the latest stable node/npm/yarn binaries

Issue #3039730 by ndobromirov, Wim Leers, e0ipso, l0ke, webchick, xjm: Include paths are resolved for every resource in a resource collection, instead of once per unique resource type

Issue #2990664 by nuez, seanB, cbccharlie, Wim Leers, deepaksingh05, Pancho, Chi, wwedding, Berdir, phenaproxima: Media library does not work when Drupal is installed into a sub-directory

Issue #2979966 by quietone, PieterDC, masipila, heddn, Gábor Hojtsy: Migrate D7 i18n taxonomy term language

Issue #2993927 by juampynr, quietone, deviantintegral: Taxonomy Term field with Rendered Entity formatter breaks migration

Issue #3035446 by seanB, bnjmnm, phenaproxima, andrewmacpherson, Wim Leers, alexpott, rainbreaw: Inform assistive tech users about the outcome of using the MediaLibraryWidget dialog

Issue #3059090 by clepson, mondrake, alexpott: Deprecate \Drupal\Tests\PhpunitCompatibilityTrait::setExpectedException()

Issue #3042745 by dwebpoint, Berdir, emacoti, jefftrnr, Wim Leers, alexpott, voleger, sjhuda, bnjmnm: Remove group @legacy from jsonapi tests and fix deprecation messages

Issue #3033279 by lauriii, mandclu, Eli-T: Move markup from template_preprocess_image_widget to a template

Issue #3058943 by Mohammed J. Razem, alonaoneill: Fix Media Library module name according to module naming convention

Issue #3006397 by Mile23, Lendude, alexpott, Berdir: Fix "Drupal\system\Plugin\views\field\BulkForm is deprecated in Drupal 8.5.x, will be removed before Drupal 9.0.0. Use \Drupal\views\Plugin\views\field\BulkForm instead." deprecation error

Issue #3054060 by alexpott, neeravbm, tstoeckler: Deprecate \Drupal\system\SystemRequirements::phpVersionWithPdoDisallowMultipleStatements() as all supported versions of PHP return TRUE

Issue #3056008 by alexpott, Lendude: Set default window size in \Drupal\FunctionalJavascriptTests\WebDriverTestBase

Issue #3056877 by alexpott, Lendude: Remove usage of TestBase static functions because they are deprecated

Issue #3057462 by alexpott, Mile23: Add missing packages to \Drupal\Core\Composer\Composer::$packageToCleanup

Issue #3053956 by alexpott, neeravbm, aleevas, voleger, Berdir: Deprecate \Drupal\Component\Utility\Crypt::hashEquals() in favour of PHP's builtin hash_equals()

Issue #3038350 by seanB, Wim Leers, effulgentsia: Deny access to all media library View Displays if there is no valid state object

Issue #2763637 by Jo Fitzgerald, quietone, hussainweb, timwood, alexpott, heddn, mikeryan, phenaproxima, maxocub, BenStallings, catch: D7 taxonomy term fields are not migrated with allowed vocabularies

Issue #3016064 by yogeshmpawar, vacho, msankhala, singhkiran, deepanker_bhalla, gambry, dpi: Improve documentation for Datetime and Datelist #date_timezone property

Issue #2968170 by joelpittet, idebr, heddn, quietone, mikelutz, tim.plunkett: MenuLinkParent breaks migration when Parent URI is external

Issue #3031539 by mondrake, amateescu, larowlan, Berdir: FileFieldTestBase tests fail under PHPUnit 7

Issue #3059564 by yogeshmpawar, fredysan, init90, joachim, alexpott: error in deprecation note on EntityInterface::link()