* Added direct .NET 5/6/7/8 support.
* Switched to more DDD style configuration with a builder.
* Removed "Async" from the function names. But, added Legacy helpers with [Obsolete] attributes.
* Simplified Authentication with configuration builders.
* Added Docker Hub "registry" support.
* Added ITagOperation.ListTagsByDigests() that provided all tags for a specific image.
* More .NET Core style codebase (still can't directly inject HttpClient, though).
* Added ActivitySource support.
* Bug fixes/error handling improvements.
