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# sharp

v0.31.0 - 5th September 2022

  • Drop support for Node.js 12, now requires Node.js >= 14.15.0.

  • GIF output now re-uses input palette if possible. Use reoptimise option to generate a new palette.

  • Add WebP minSize and mixed options for greater control over animation frames.

  • Remove previously-deprecated WebP reductionEffort and HEIF speed options. Use effort to control these.

  • The flip and flop operations will now occur before the rotate operation.

  • Improve normalise operation with use of histogram. #200

  • Use combined bounding box of alpha and non-alpha channels for trim operation. #2166

  • Add Buffer and Stream support to tile-based output. #2238

  • Add input fileSuffix and output alias to format information. #2642

  • Re-introduce support for greyscale ICC profiles (temporarily removed in 0.30.2). #3114

  • Add support for WebP and PackBits compression options with TIFF output. #3198

  • Ensure OpenSlide and FITS input works with custom libvips. #3226

  • Ensure trim operation is a no-op when it would reduce an image to nothing. #3223

  • Expose vips_text to create an image containing rendered text. #3252 @brahima

  • Ensure only properties owned by the withMetadata EXIF Object are parsed. #3292

  • Expand linear operation to allow use of per-channel arrays. #3303 @antonmarsden

  • Ensure the order of rotate, resize and extend operations is respected where possible. Emit warnings when previous calls in the same pipeline will be ignored. #3319

  • Ensure PNG bitdepth can be set for non-palette output. #3322

  • Add trim option to provide a specific background colour. #3332 @mart-jansink

  • Ensure resized image is unpremultiplied before composite. #3334