As the archived repo implies, Google has stopped development on Tilt Brush:<p><a href="https://www.theverge.com/2021/1/26/22250915/tilt-brush-google-open-source-ending-development-vr-painting" rel="nofollow">https://www.theverge.com/2021/1/26/22250915/tilt-brush-googl...</a>
More in the other HN thread:<p><a href="https://opensource.googleblog.com/2021/01/the-future-of-tilt-brush.html" rel="nofollow">https://opensource.googleblog.com/2021/01/the-future-of-tilt...</a> <a href="https://news.ycombinator.com/item?id=25918349" rel="nofollow">https://news.ycombinator.com/item?id=25918349</a>
I hope they do the same with Blocks. It's such an amazing tool for "sketching" in 3D, and it's fairly clear it's no longer getting active attention from Google