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Old 02-11-2020, 06:49 PM   #12
DiapDealer
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Quote:
Originally Posted by BetterRed View Post
Can you point me to something describing the change to Qt - it may be related to a calibre problem some of the teachers at the school I support are having.

BR
The latest Qt5 versions are getting pretty aggressive at blacklisting video drivers that aren't fairly recent. Which often means you might be falling back to software rendering. I believe calibre on Windows/Mac is using the very latest Qt (5.14.1) as of about 10 days ago. So if your video hardware (or its drivers) are starting to age a bit, there could be some issues. 5.12.6 is a little flaky on my Windows 7 VMs. I haven't tried 5.14.x on them yet.
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