I previously tested other distros in virtual machines when I used Debian and some actually built LXQt 1.0,0 using the current Qt release (5.15.2). Was under the impression that 1.0.0 required a later Qt release, but I guess not.
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..........bird from paradise..........
Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away. —Antoine de Saint-Exupéry