Difftastic 0.28 is out :)
* Added support for HCL, Swift and limited Perl
* Fixes to directory diffing and inline display
* Difftastic now performs some work in parallel!
miniblog.
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Difftastic 0.69 is out! This is a pretty big release:
* Semantically insignificant commas are now ignored
* Difftastic now respects .gitattributes
* Added assembly support and improved 13 other languages
I'm considering using WebP more: for example, my websites would load faster and browsers have supported it since 2020: https://caniuse.com/webp
That said, GitHub just added support in August 2025, so I suspect I'd still find use cases that don't work yet:
I've added an eval button to the website of my programming language!
It's a been a lot of work to lock down appropriately. It still needs some UI polish but it's so nice to be able to try snippets immediately.





