Release Notes: Major additions are better charting, much better API documentation, and large revisions to the core library, bringing speedups and dropping memory use.
Release Notes: This version adds Zoomify and Google Maps pyramid support, faster DeepZoom pyramid creation, faster and more accurate color space conversions, automatic color conversion in many contexts, support for IPCT and XMP JPEG metadata, and better support for EXIF metadata.
Release Notes: This version adds Deep Zoom write, features much better Ruby support, improves the sequential write mode added in the previous version, reduces memory use, and features better support for threading.
Release Notes: This version adds support for OpenSlide, adds a new read mode that reduces memory use for sequential operations on large images, adds an operation cache that can reuse old results, and improves file format support.
Release Notes: This is a major new stable release. Headline improvements are new tools for drawing and filtering, more flexible operators, dramatically faster approximate convolution, better file format support, and improvements in speed and responsiveness.
Release Notes: Headline improvements in this release are convolution and morphology operators that run four times faster thanks to run-time code generation, much lower memory use for many image file formats, a view-as-graph mode for the GUI, and support for the FITS file format.