Support reading legacy DDS files where dwMipMapCount is 0.

Fixed issues with compressor nondeterminism on cubemap textures.

Fixed an issue where using two identical GPUs in a non-SLI configuration without a specified CUDA device would lead to image corruption.

Fixed an issue where the Photoshop plugin would choose the wrong channel for alpha when the Photoshop file didn’t have a background layer and had a user-provided alpha channel.

Added Boris Ustaev’s image drag-and-drop UI.

Image effects now run on a background thread, making the user interface respond faster with larger images.

Added window resizing and high-DPI support.

Added KTX and KTX2 file format readers as well as support for exporting KTX2 files.

Added NGX Super-Resolution effect for Turing+ GPUs.

Improved the error message for attempting to use Image Super-Resolution on a GPU without Tensor Cores.

Indented the Compression Quality and Scale and Bias sections.

Fixed an issue where setting the Gaussian Blur radius to a negative number would cause a fallback to CPU image processing.

Fixed an issue where Wrap To Output Range didn’t wrap large positive values.

Fixed an issue where colors were not clamped to during setup for Image Super-Resolution.

Fixed an issue where ICC color profiles were not passed through systems correctly.

Fixed an issue where images were not tracking premultiplication status.

Updated FreeImage to the latest source, fixing several security issues.

Now uses the nv_ktx library for KTX reading and writing.

Added Basis Universal texture supercompression, with Rate Distortion Optimization (RDO) for smaller images than before.

It is packaged with the Texture Tools Exporter on Windows and by itself on Linux.

Released the NVTT 3 SDK, the compression library powering the Texture Tools Exporter and many other projects.

Paint.net normal map plugin