Issue #3391776 by alexpott, smustgrave, catch: InfoParser returns an empty array if passed a non-existing file

Issue #3324801 by Spokje, mondrake: Fix PHPStan L2 error "Property Foo::$bar has unknown class Baz as its type."

Issue #3274474 by mondrake, longwave, andypost, Spokje, catch, alexpott: Fix 'Access to an undefined property' PHPStan L0 errors

Issue #3298906 by andypost, alexpott: Fix \Drupal\Tests\Core\Test\TestSetupTraitTest::testChangeDatabasePrefix() on PHP 8.2

Issue #3259026 by longwave, daffie: [Symfony 6] Add return types to Symfony Console application methods

Issue #3233456 by daffie, longwave: [Symfony 6] Add "int" type hint to methods overriding Symfony\Component\Console\Command\Command::execute()

Issue #3106531 by mondrake, daffie, Rithesh BK, catch, xjm: Notify in Status Report that per-table database prefixes are no longer supported, and will throw errors in Drupal 10.0

Issue #3174107 by brianperry, mglaman, alexpott, mtift, mradcliffe, mherchel, capysara, ravi.shankar, cathwaldron, kostyashupenko:  Add additional testing coverage for Olivero

Revert "Issue #3174107 by brianperry, mglaman, mtift, alexpott, mradcliffe, ravi.shankar, capysara, cathwaldron, kostyashupenko, mherchel:  Add additional testing coverage for Olivero"

This reverts commit e182007f.

Issue #3174107 by brianperry, mglaman, mtift, alexpott, mradcliffe, ravi.shankar, capysara, cathwaldron, kostyashupenko, mherchel:  Add additional testing coverage for Olivero

Issue #3205434 by mherchel, benjifisher, brianperry, mglaman, justafish, mradcliffe: Add Nightwatch Test Coverage for Olivero

Issue #2851394 by GoZ, hgunicamp, oknate, jungle, wolffereast, tameeshb, mmatsoo, ridhimaabrol24, jofitz, swarad07, tanc, shaktik, dimaro, shashikant_chauhan, MerryHamster, quietone, nitesh624, martin_q, boaloysius, gaurav.kapoor, nitvirus, ankithashetty, Munavijayalakshmi, kostyashupenko, leolando.tan, amit.drupal, ravi.shankar, akashkrishnan01, Swapnil_Kotwal, Saviktor, mrinalini9, anmolgoyal74, Venkatesh Rajan.J, shimpy, lomasr, Dinesh18, shubham.prakash, mahtab_alam, markdorison, cilefen, longwave, bleen, xjm, alexpott, gmaltoni: Fix grammar 'a' to 'an' when necessary

Issue #3129508 by Lal_, daffie, Suresh Prabhu Parkala: Change multiple dirname()'s into a single dirname() with the use of the second parameter of dirname()

Issue #3107732 by mondrake, longwave, swatichouhan012, salah1, xjm, catch, alexpott, Berdir: Between April 13 and April 17, 2020: Add return typehints to setUp/tearDown methods in concrete test classes

Issue #3088135 by alexpott, mikelutz, Wim Leers, Berdir, heddn: TestSiteApplicationTest::testInstallInDifferentLanguage requires localize.drupal.org

Issue #3085608 by Wim Leers, mikelutz, voleger, larowlan: [Symfony 4] Symfony console command ::execute() methods should return 0 on success

Issue #2352949 by Wim Leers, akalata, Jaesin, lauriii, dww, alexpott, Berdir, dawehner, tstoeckler, xjm, andypost: Deprecate using Classy as the default theme for the 'testing' profile

Issue #2869573 by Mile23, alexpott, mikelutz, voleger: Remove usages of deprecated DrupalKernel::prepareLegacyRequest()

Issue #2973879 by jibran, lauriii, drpal, samuel.mortenson, dawehner, Wim Leers: Add login/logout Nightwatch commands (and a Drupal "login" command to allow for that)

Issue #2973227 by jibran, benjy, alexpott, Mile23, Sam152, vaplas, larowlan: Move UI helper functions from BTB into the traits

Issue #2926633 by alexpott, dawehner, Mile23, mglaman, Wim Leers, jibran, larowlan, Lendude, Berdir: Provide a script to install a Drupal testsite