When I change any attribute on the pages setting (except Grid type) and then change the Grid Type, all other changes are resetted and the grid is changed instantly without asking for approval - hitting "save changes" does not bring back the changes I did before. Yes, of course I can work around by saving and then changing the grid, or by changing the grid as first thing - still, a bug is a bug and a workaround is a workaround, and a product without that bug is simply better than a product which needs a workaround.