Added

• Add IMGPROXY_BASE64_URL_INCLUDES_FILENAME config.
• Add IMGPROXY_COOKIE_PASSTHROUGH_ALL config.
• (pro) Add PNG EXIF and XMP data to the /info endpoint response.
• (pro) Add the mime_type field to the /info endpoint response.

Changed

• Treat 206 (Partial Content) responses from a source server as 200 (OK) when they contain a full content range.
• Improved error reporting.
• (pro) Change saturation adjustment algorithm to be more CIE-correct.
• (pro) Don't check image complexity during best format selection when IMGPROXY_BEST_FORMAT_COMPLEXITY_THRESHOLD is set to 0.

Fixed

• Fix determinimg the default hostname for cookies passthrough.
• (pro) Fix setting the Host header with the IMGPROXY_CUSTOM_REQUEST_HEADERS config.
• (pro) Fix passing through the Host header with the IMGPROXY_REQUEST_HEADERS_PASSTHROUGH config.
• (pro) Fix passing through request headers with the IMGPROXY_REQUEST_HEADERS_PASSTHROUGH when the raw option is used.
• (pro) Fix IMGPROXY_BEST_FORMAT_ALLOW_SKIPS config behavior.
• (pro) Fix flattening behavior when chained pipelines are used and the resulting format doesn't support transparency.
• (pro) Fix advanced smart crop when the most feature points are located close to the right or the bottom edge.

Removed

• Remove the IMGPROXY_S3_MULTI_REGION config. imgproxy now always work in multi-regional S3 mode.