Entire screen turns blue in dissolve to graphic when transparent blue background is used behind font

After last update, my Premiere Pro files after export are showing a blue tint to the entire screen when I dissolve in graphics with a transparent blue background on the fonts.  The tint stays there until the font is dissolved out.  This didn't happen before.  It is less apparent when I use Maximum Render Quality during export, but it is still there.  I did not change my settings and I am using the same production template I have used for months.  Does anybody have a clue how to stop this?  It's very irritating.  BTW, I have examined the dissolves frame by frame on the timeline and the blue tint does not appear in the prproj file.  Using Mac OS Big Sur 11.2.3.