Supposedly because nvUltra, a modern version of nvAlt has been promised since the early Roosevelt administration (the first Roosevelt), but has never been close to public release, the developer decided to upgrade nvAlt itself. Meaning, make it run on Silicon but not much else.

You can read all about it here:

https://brettterpstra.com/2026/10/24/nvalt-back-from-the-dead/#dl

Trigger warning -- it crashes when it tries to open my ancient nvAlt vault.