While Microsoft does not officially use the term "Ultralight," this build is highly popular among developers of "debloated" ISOs like Tiny11 . These community-made versions strip away non-essential components to achieve:
The keyword is not an official Microsoft moniker. Instead, it has emerged from the enthusiast community and third-party optimization circles to describe build 22631.2428’s unique behavior: It runs faster on older hardware than the original Windows 11 release from 2021. windows 11 pro 23h2 build 226312428 ultralight new