* Update to ImageSharp 2.1.0 and ImageSharp.Web 2.0.0-alpha.0.23
* Rename CachedNameLength to CacheHashLength and add CacheFolderDepth setting
* Replace PhysicalFileSystemProvider with WebRootImageProvider
* Support EXIF-orientation in image dimention extractor
* Remove virtual methods on FileProviderImageProvider
* Simplify FileInfoImageResolver
* Update to SixLabors.ImageSharp.Web 2.0.0-alpha.0.25 and remove custom providers
* Make CropWebProcessor EXIF orientation-aware
* Improve width/height sanitization
* Also use 'v' as cache buster value
* Add WebP to supported image file types
* Update to SixLabors.ImageSharp.Web 2.0.0-alpha.0.27 and fix test
* Fix rounding error and add test cases
* Update to newest and stable releases
* Move ImageSharpImageUrlGenerator to Umbraco.Web.Common
* Use IConfigureOptions to configure ImageSharp options
* Implement IEquatable on ImageUrlGenerationOptions classes
* Fix empty/null values in image URL generation and corresponding tests
* Use IsSupportedImageFormat extension method
* Remove unneeded reflection
* Add HMACSecretKey setting and add token when generating image URLs
* Ensure backoffice image URLs are generated by the server (and include a correct HMAC token)
* Abstract HMAC generation to IImageUrlTokenGenerator
* Change cache buster value to 'v' and use hexadecimal timestamp
* Update comments
* Fix backoffice thumbnail URL generation
* Update grid media thumbnail URL generation
* Remove breaking changes
* Strip unknown commands from image URL token
* Remove HMAC whitelisting possibility (not supported by ImageSharp)
* Update to SixLabors.ImageSharp 2.1.3
* Add comment to internal constructor
* Fix to support absolute image URLs
* Update to SixLabors.ImageSharp.Web 2.0.3-alpha.0.3
* Remove IImageUrlTokenGenerator and use ImageSharpRequestAuthorizationUtilities
* Move NuGet feed to config file
* Update to ImageSharp v3
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