Issue #2981889 by Nebel54, acbramley, timodwhit, bkosborne, fago,...

Issue #2981889 by Nebel54, acbramley, timodwhit, bkosborne, fago, josephdpurcell, tim.plunkett, eiriksm, Sam152, grantkruger, shaal, gnikolovski: Performance Degradation in Layout Builder and other places likely

(cherry picked from commit 57aabd2b)