• [12.x] Fix missing variable reassignment by @nunomaduro in #58376
• [12.x] Improve PendingRequest types by @cosmastech in #58386
• [12.x] Fix backward compatibility with third-party guards by @daniser in #58385
• Make \Illuminate\Testing\TestResponse::assertHeader() case insensitive by @HenkPoley in #58383
• [12.x] Fix TypeError when validation rule has empty parameters by @irabbi360 in #58380
• [12.x] Adjust PendingBatchFake to filter by @jackbayliss in #58375
• [12.x] Resolve infinite loop when using deferred queue by @cosmastech in #58373
• [12.x] Fix and improve \Illuminate\Support\Str types further by @shaedrich in #58372
• [12.x] Ensure Bus::chain filters out falsy items by @jackbayliss in #58369
• [12.x] fix invalid array doctypes for Str::replaceMatches in v12.47.0 by @marcreichel in #58364
• [12.x] Remove useless use of MockeryPHPUnitIntegration by @lucasmichot in #58363
• [12.x] Fix: Drop indexes from failed_jobs by @jackbayliss in #58362
• Translation lines may contain square brackets and curly braces now by @edwinheij in #58367
• [12.x] Add skipWhen functionality to HandleCors middleware by @RobertBoes in #58361
• [12.x] Fix backward compatibility with third-party guards, again by @daniser in #58389
• [12.x] Add type tests for \Illuminate\Support\Str by @shaedrich in #58365
• [12.x] new $class instead of reflection for better performance by @takaram in #58391
• [12.x] Isolate compiled views per process during parallel testing by @dxnter in #58390
• [12.x] Fix broken import by @lucasmichot in #58394
• [12.x] Implement Stringable in Enum rule by @owenconti in #58392
• [12.x] Fix restoreLock for MemoizedStore by @jackbayliss in #58423
• [12.x] Fix Filesystem::sharedGet partial reads (#58418) by @sv63rus in #58419
• [12.x] Add missing @param docblock to ValidatedInput::__isset() by @ismaildasci in #58410
• [12.x] Add queue to JobPopping by @jackbayliss in #58413
• [12.x] add backoff to JobReleasedAfterException event by @jackbayliss in #58414
• [12.x] Fix return type docblock for Number::abbreviate method by @ismaildasci in #58408
• [12.x] Annotate tuple return type of Number::pairs() by @ismaildasci in #58409
• Bump tar from 7.4.3 to 7.5.3 in /src/Illuminate/Foundation/resources/exceptions/renderer by @dependabot[bot] in #58404
• [12.x] Update return type of merge for collections by @ramonrietdijk in #58405
• [12.x] Fix missing import by @irabbi360 in #58401
• [12.x] Account for Throwable inside of PendingRequest by @cosmastech in #58395
• [12.x] Allow setting flags for decoding json in the Http Client's Response by @cosmastech in #58379
• [12.x] chore: make PruneCommand::isPrunable() protected by @calebdw in #58430
• [12.x] widen PendingRequest@pool() return type by @cosmastech in #58437
• [12.x] feat: query builder aliases for expressions by @tpetry in #58436
• Test Improvements by @crynobone in #58432
• [12.x] add BatchFinished event by @jackbayliss in #58431