Hmmm. I'm using a Mac with Mojave OS. I had dark mode on. When I turned light mode on my rows became alternating white & light grey which is what they used to be. I restarted Calibre and the alternating rows disappeared. I then turned dark mode back on and the rows reappeared as alternating white & light grey but when I restarted Calibre the alternating rows again disappeared.
Any other ideas? Thanks.
David
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