bvbfan OpenGL: renderer: llvmpipe (LLVM 12.0.1 256 bits) v: 4.5 Mesa 21.2.5
Not clear why your system sets llvmpipe, please try without having any 20-intel.conf. Intel here:
OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 21.2.5
Xorg-server 21.1.x is far more aggressive setting a DPI instead of just falling back to 96 DPI, check your settings with xdpyinfo | grep -B2 resolution
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I am seeing more reports now in other distros shipping 21.1.x, so I expect a patch/bug fix from upstream soon. Though not clear why in KaOS so far, only intel systems are effected.