This happens in 1.19.71. I attached a video.
The entire pool is filled with source blocks. There is no flowing water.
This appears to be fixed for me in the 1.19.50.23 preview beta. I went from <40FPS (99% )to ~130FPS (99%)
This happens in 1.19.71. I attached a video.
[media]The entire pool is filled with source blocks. There is no flowing water.