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I use a Windows laptop connected to a USB-C hub that provides two external monitors. QT does not support this graphics setup. It does fine on the internal laptop monitor, but I am not going to give up my external monitors, nor am I going to switch from using the USB-C hub to using the internal HDMI port. It is simply far too convenient to be able to take my laptop with me and reconnect it a single cable when I get home.
Using --disable-gpu does nothing. I have verified three times that the environment variable is present within all running calibre processes, yet the viewer window stubbornly remains blank.
If there is movement towards making all of Calibre dependent upon QT, I fear this will suffer the same problem as the viewer, and the entire app will be thoroughly unusable on my external monitors. Please tell me this is not a planned change.
I am going to use the 3.48 portable viewer.
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