I've noticed, when using the Remove Tool, especially in out-of-focus areas, it generates "stripes"/raster patterns. This is particularly noticeable when the is some noise in the image.
I've attached an example.
Running Adobe Photoshop Beta Version: 25.1.0 on macOS 13.5.1, MacBook Pro 16" 2021 with M1 Max, 64 GB Ram.