Issue #2926070 by smustgrave, dimitriskr, andypost, gnuget, zahord, yogeshmpawar, MerryHamster, kim.pepper, alexpott, Mile23, daffie, larowlan: Deprecate ModuleHandlerInterface::getName()

Issue #3322743 by Spokje, mondrake: Fix PHPStan L2 errors "Parameter $foo of method Foo::bar() has invalid type Foo\Baz." and "Method Foo::bar() has invalid return type Foo\Baz. "

Issue #3308449 by owenbush: CategorizingPluginManagerTrait::getSortedDefinitions() sometimes returns plugins in the incorrect order if they have categories or labels translated

Issue #3222251 by bbrala, longwave: [November 8, 2021] Replace all isset constructs with the null coalescing operator

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2502621 by Pravin Ajaaz, hussainweb, Peacog, jhodgdon, ivanjaros: Replace implement notes with inheritdoc tag

Issue #2349991 by fago, Xano, amateescu: Provide a trait for categorizing plugin managers and use it for conditions and actions