Sketchup 21.0.0

: The .SKP file format was rebuilt. Version 2021 files are significantly smaller and, more importantly, are designed for better "forward compatibility"—meaning version 2021 can open files created in future versions.

It isn't the flashiest (that’s 2024’s AI-based inferencing), and it doesn't have the latest gadgets (cloud point clouds are slow here), but it is reliable . sketchup 21.0.0