0.68.0

Wilfred/difftastic0.68.0Mar 16, 2026by github-actions[bot]

AI Summary

Difftastic 0.68.0 focuses on stability, fixing critical Git integration issues with unmerged paths and improving error reporting and display rendering.

Key Highlights

  • Fixed 'fatal: external diff died' error when using git with unmerged paths.
  • Updated parsers for Bash, C, Go, Lua, Nix, Perl, Python, Rust, Scala, Swift, and YAML.
  • Fixed side-by-side rendering issues when files contain tabs.
  • Fixed inline display to always respect the --context value.
  • Removed jemalloc usage on Windows builds.

Breaking Changes

  • Difftastic now requires Rust 1.77 or later to build.
  • jemalloc is no longer used on Windows builds.

Full Release Notes

Difftastic is a structural diff tool that understands syntax. See [the manual](https://difftastic.wilfred.me.uk/) to get started, and [the changelog](https://github.com/Wilfred/difftastic/blob/master/CHANGELOG.md) for historical changes.

### Git Support

Fixed an issue where git with difftastic would terminate with `fatal: external diff died` when there was an unmerged path.

### Parsing

Updated Bash, C, Go, Lua, Nix, Perl, Python, Rust, Scala, Swift and YAML parsers.

Fixed an issue with parsing raw string literals in Rust.

### Build

Difftastic now requires Rust 1.77 or later to build.

Difftastic no longer uses jemalloc on any Windows builds. Previously jemalloc was only disabled for MSVC.

### Command Line Interface

Improved error reporting when invoked with an invalid number of arguments.

### Display

Fixed an issue with inline display where it didn't always respect the value of --context.

Fixed an issue with side-by-side rendering when files contain tabs.