Theseus

Liquid Glass UI, backported to iOS 13+ and open source.

9 votes·1 comment·Dec 31, 2025

About

Theseus is a lightweight Swift Package that backports the iOS 26 Liquid Glass aesthetic to iOS 13+. Inspired by the Ship of Theseus, it rebuilds modern glass UI effects (refraction, depth, and highlights) piece by piece, without relying on new OS features.