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v4.1.1

dmtrKovalenko/odiffv4.1.1Oct 15, 2025by github-actions[bot]

AI Summary

Significant performance and feature additions including AVX512 assembly, RISC-V support, WebP support, and a new overlay feature for clearer diffs.

Key Highlights

  • Handwritten assembly for AVX512 algorithm (+12% boost)
  • Standalone RISC-V SIMD implementation (+34% boost)
  • Support for .webp images
  • New shading feature for similar pixels (--diff-overlay)

New Features

  • AVX512 assembly
  • RISC-V SIMD
  • WebP support
  • Diff overlay shading

Full Release Notes

## Features 

- handwritten assembly for avx512 algorithm +12% boost (use with `--enable-asm` option)
- standalone riscv SIMD implementation for the main algorithm +34% boost 
- also specifically support riscv as tier 1 system and provide prebuilt binaries 
- support for .webp images
- and a new feature for shading similar pixels so the diff is more clear (use with `--diff-overlay`) option 

and much more bug fixes and small improvements 

**Full Changelog**: https://github.com/dmtrKovalenko/odiff/compare/v4.1.0...v4.1.1