- Enhanced testing utilities: preserved types for partialMock()/spy(), added string‑abstract support, updated PHPDoc hints, and corrected return types for Storage::fake() and time‑travel helpers.
- Fixed multiple bugs: UnitEnum support in ModelNotFoundException, static‑closure macro handling, infinite TTL in rate limiter, array‑to‑string conversion in signature validation, and callable type issues.
- Added new capabilities and documentation: PDO subclass polyfill, named credential providers for SQS queues, and documented exceptions for FilesystemAdapter and Redis mixin hints.