Issue #3483050 by mstrelan, nicxvan: Add int return type to all hook_update_last_removed implementations

(cherry picked from commit 3d350b03)

Issue #3477687 by mstrelan, quietone: Add ResponseInterface return typehints to protected test helper methods

(cherry picked from commit 1853daaf)

Issue #3483057 by mstrelan, bbrala, smustgrave: Add void return type to all hook_install and hook_uninstall implementations

Issue #3470403 by mstrelan, smustgrave, quietone: Add EntityInterface return typehints to protected test helper methods

Issue #3456601 by mstrelan, xjm, smustgrave, longwave: Add void return typehints to test helper methods

Issue #3251754 by spokje, quietone, longwave, smustgrave, mallezie, mstrelan, alexpott, daffie, tstoeckler, mondrake, samaraof@ciandt.com: Use DrupalPractice.CodeAnalysis.VariableAnalysis for Kernel and Unit tests

Issue #3444257 by bbrala, mxr576, quietone, acbramley, larowlan, casey, enyug, mstrelan, nick_schuch: ResourceObjectNormalizer::getNormalization can result in max-age drift when different sets of fields are requested

Issue #2951814 by wim leers, mxr576, vakulrai, claudiu.cristea, neclimdul, alexpott, sanjayk, joachim, chi, smustgrave: Improve X-Drupal-Cache and X-Drupal-Dynamic-Cache headers, even for responses that are not cacheable

Issue #3462868 by annmarysruthy, yujiman85, nexusnovaz, pierregermain, ankitv18, sheetal-wish, smustgrave, lostcarpark, rodrigoaguilera, ultimike: Replace url usage of http://www.w3.org with https://www.w3.org in core

Issue #3110831 by bbrala, z3cka, smustgrave, mglaman, wim leers, alexpott, matthand: Method to enable a resource type field disabled by a previous ResourceTypeBuildEvent subscriber

Issue #3470203 by mstrelan, smustgrave: Add (more) bool return typehints to protected test helper methods

Issue #3275491 by dewalt, murz, pooja_sharma, avpaderno, Nicolas Bouteille, dmitry.korhov: External application is redirected to frontpage in maintenance mode

Issue #2973356 by mxr576, kristiaanvandeneynde, wim leers, berdir, bbrala: Cacheability information from route access checker access results are ignored by dynamic_page_cache

Issue #3465602 by catch, quietone, smustgrave: Order tests by number of public methods to optimize gitlab job times

Issue #3458422 by mstrelan, smustgrave: Add string return typehints to protected test helper methods

Issue #3379725 by Wim Leers, phenaproxima, narendraR, alexpott, quietone, borisson_, tim.plunkett: Make Block config entities fully validatable

Issue #3412420 by acbramley, douggreen, Hardik_Patel_12, xjm, smustgrave, larowlan: BlockContentAccessControlHandler requires access block library permission for create

Issue #3454346 by kristiaanvandeneynde, bbrala, mxr576: JsonApiRequestValidator does not set cacheable metadata when the filter allows the request

Issue #3445215 by narendraR, borisson_, mtift, mikelutz, smustgrave, Wim Leers, alexpott: Add validation constraints to user.role.*

Issue #3453068 by kalpanajaiswal, BenStallings: Sort::fields property is incorrectly defined as a string

Issue #3421418 by mstrelan, Spokje, xjm, mondrake, longwave, acbramley: Add void return typehints to all test methods

Issue #3452426 by mxr576, kristiaanvandeneynde: Insufficient cacheability information bubbled up by UserAccessControlHandler

Issue #3180696 by Spokje, Nikolay Shapovalov, adamzimmermann, quietone, manish-31, xjm, SuperfluousApostrophe, smustgrave, jonathan1055, longwave: Fix 'Drupal.Commenting.TodoComment' coding standard

Issue #3444748 by kim.pepper, bbrala, andypost: Refactor JSON-API file uploads to use FileUploadHandler

Issue #3331229 by pminf, chadhester, zshrestha, hardikpandya, _pratik_, rogerpfaff, ultimike, xjm, mandclu, alexb7217: Use chaining for User::addRole() and ::removeRole()

Issue #3440993 by bbrala, bradjones1, larowlan, quietone: Improve JSON:API test failure messages to include errors when data is expected

Issue #3442395 by smustgrave, andypost, catch, Wim Leers: ckeditor5 and editor module test config exports/stubs rely on hook_editor_presave() bc layers

Issue #3442167 by mondrake, xjm, larowlan: Fix string array keys in data sets returned by data provider methods that do not match the parameter names in Kernel tests