I observed this also on the Lenovo ThinkPad Yoga 460 (64-Bit Intel Core i7-6500U@2.50GHzx4; 8GB RAM; Mesa Intel HD Graphics 520 (SKL GT2); 1xSSD-256GB; german QWERTZ) during the "Install (auto-resize) in Ubuntu Desktop (Legacy) amd64 in Focal 20.04.6" testcase.
I observed this also on the Lenovo ThinkPad Yoga 460 (64-Bit Intel Core i7-6500U@2.50GHzx4; 8GB RAM; Mesa Intel HD Graphics 520 (SKL GT2); 1xSSD-256GB; german QWERTZ) during the "Install (auto-resize) in Ubuntu Desktop (Legacy) amd64 in Focal 20.04.6" testcase.
Installation in german.