8.10.0

• Added fuzz tests
• Better check for background when analysing illustrations

8.9.0

• Faster (20-30%) AVIF encoding

• Increased maximum output size for AVIF to 2000x2000

• Using AVIF for lossy (non-illustrations) PNGs

• Latest IM 7.1.0-51

• Latest libaom-3.5.0

8.8.0

• Latest IM 7.1.0-46
• Updated container image from Debian buster to bullseye
• Go 1.18
• libaom-3.4.0
• libwebp-1.2.4

8.7.0

• New ?dppx query parameter for supporting High DPI (retina) displays
• Open API Spec 3.0
• New Quickstart

8.6.2

Fixed docker build

8.6.1

• Fixed docker build

8.6.0

• Using lossless PNG conversion for logos, illustrations, drawings and lossy for photos, product images
• Removed colors reduction (posterize, quantize)
• Upgraded ImageMagick to 7.1.0-10
• Upgraded libaom to 3.2.0

8.5.0

Using webp for lossless encoding due to result images have visual artefacts strukturag/libheif#407

8.4.0

• Increased default value for cache TTL to 30 days (was 1 day). One day is too low value for caching and 30 days is good because when updating to a new version cached images will roll over.

8.3.0

• TIFF support
• AVIF encoder bug fixes