• Plain source URLs support;
• Serving images from Google Cloud Storage;
• Full support of GIFs including animated ones;
• Watermarks;
• New Relic metrics;
• Prometheus metrics;
• DPR option (thanks to selul);
• Cache buster option;
• Quality option;
• Support for custom Amazon S3 endpoints;
• Support for Amazon S3 versioning;
• Client hints support (thanks to selul);
• Using source image format when one is not specified in the URL;
• Sending User-Agent header when downloading a source image;
• Setting proper filename in Content-Disposition header in the response;
• Truncated signature support (thanks to printercu);
• imgproxy uses source image format by default for the resulting image;
• IMGPROXY_MAX_SRC_DIMENSION is deprecated, use IMGPROXY_MAX_SRC_RESOLUTION instead.