Hi. Po. >>>>> "Po" == Po Lu writes: Po> andrés ramírez writes: [...] Po> We already know it's cairo-side, since it goes away upon switching Cairo backends, and Emacs Po> doesn't make RenderFreeGlyphs requests itself. Ok. Should we let the cairo guys know about it. For giving them the opportunity of fixing it?. Po> That's unnecessary, since the Cairo XCB surface is present everywhere. I'd rather put a Po> mention of the crash in etc/PROBLEMS for Emacs 28. Are You going to apply the patch?