When I switch to material selection, the hair will disappear, but it actually exists, just invisible, and it will show up when I switch to editing mode. Is this a bug?
When I switch to material selection, the hair will disappear in 2.8
Sounds like a bug that you can report in the tracker:
For this reason, I can’t register users. Captcha can’t display.
The problem has been fixed in the new build.thanks