miniblog.

Oct 23, 2021 at 23:47

I've often found reading diffs tricky when I have to scroll up to see what file I'm in, then back down to the changes I'm interested in. In difftastic, I'm experimenting with printing the file name on every hunk displayed.

X / ?

Sep 18, 2026 at 23:00

Difftastic 0.71 is out! This is a polish release, still well worth upgrading: * A ton of performance improvements, especially for nasty corner cases. * Improved C++, Dockerfile, Haskell, JavaScript, Makefile, Perl, Ruby, Rust, Scala and TypeScript.

Release 0.71.0 · Wilfred/difftastic

Difftastic is a structural diff tool that understands syntax. See the manual to get started, and the changelog for historical changes. Diffing Improved performance, particularly for line-based diff...

Sep 11, 2026 at 22:08

I've been experimenting with LLM autoresearch. I prompted Sol to make difftastic faster without changing output on the test suite, and log everything it tried: https://github.com/Wilfred/difftastic/blob/c6e9c6fed4c71276a8b0e377c92695c3d929dc7f/PERF_RESEARCH_LOG.md It found some interesting performance tweaks, although it's too tolerant of complexity.

difftastic/PERF_RESEARCH_LOG.md at c6e9c6fed4c71276a8b0e377c92695c3d929dc7f · Wilfred/difftastic

a structural diff that understands syntax 🟥🟩. Contribute to Wilfred/difftastic development by creating an account on GitHub.

Aug 7, 2026 at 22:20

171

I've released difftastic 0.70! In this release: * Added Dockerfile and fish shell support * Improved Dart, Emacs Lisp, Erlang, Java, OCaml, PHP, Protocol Buffers and TOML. * A bunch of display and performance fixes.

Release 0.70.0 · Wilfred/difftastic

Difftastic is a structural diff tool that understands syntax. See the manual to get started, and the changelog for historical changes. Diffing Improved diffing performance, particularly when diffin...

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