• now reads images generated by iOS 18
• heif-convert has been renamed to heif-dec
• encoding: property item boxes with identical content are reused
• experimental codec plugins for VVC (vvenc/vvdec and uvg266)
• experimental codec plugin for OpenJPH (High-throughput JPEG2000)
• support ISO 23001-17 version 1 uncC minimized headers
• support ISO 23001-17 images with 'deflate', 'zlib' and Brotli compression
• heif-enc can read TIFF images
• API functions to read/write raw items and item properties
• many bug fixes and smaller enhancements