Sketchup 21.0.0 Jun 2026

Extensions built for Ruby 3.0 (SketchUp 2022+) will not work on 21.0.0. Always check the Extension Warehouse for "SketchUp 2021" compatibility.

SketchUp 21.0.0 maintained the hardware requirements established in the 2020 release but dropped support for older operating systems. sketchup 21.0.0

If you are looking for a quick reference "cheat sheet" for the 2021 version, here are the key features and differences introduced in SketchUp 21.0.0: Extensions built for Ruby 3

This version marked a transitional period for SketchUp: it was the first to fully integrate the subscription model while still offering a classic perpetual license for legacy users. It bridged the gap between the old desktop-centric workflow and the modern cloud-based ecosystem. sketchup 21.0.0