I use the colored flags in my workflow when editing and it is a real pain not to see them anymore.
Thanksj John, but I haven't touched it. Set to Lightrom Default as always.
....... and both boxes are ticked, just like the screenshot.
In the grid view, Command-J gives the "Library Grid View" options. Perhaps you inadvertently turned off the option to tint the cells.And there's a drop-down option to increase the saturation of the cells' tint colors.