AVIF output area limit
AVIF output is now limited to a maximum area of 4 megapixels. Larger images automatically fall back to another format (WebP, JPEG, or GIF) to keep latency low. A new 304 processing error code is returned when this limit is reached. Learn more
AVIF support
The Optimizer now supports AVIF as both an input and output format, offering better compression than WebP with excellent quality. Learn more
Image Upscaling
Introduced the ‘upscaling’ parameter to allow images to be enlarged beyond their original dimensions using resampling. Learn moreLast modified on June 17, 2026