I'm also experiencing this on Kubuntu 21.10
In my case I'm also experiencing missing letters on texts, and other rendering problems.
Kernel version 5.13.0.27 (64b)
In my case the computer is a HP Envy 4 with a intel I3-2367M.
Graphic processor is: MESA DRI INTEL HD Graphics 3000.
I'm also experiencing this on Kubuntu 21.10
In my case I'm also experiencing missing letters on texts, and other rendering problems.
Kernel version 5.13.0.27 (64b)
In my case the computer is a HP Envy 4 with a intel I3-2367M.
Graphic processor is: MESA DRI INTEL HD Graphics 3000.