2019-01-10 Version Upgrades, Qt Libraries

[Haxus]

from the user perspective, there is not much we can see

Yay. That's probably the best outcome.

increase in performance

There are many options when building Qt libraries. It is also possible compile-time optimizations were performed on the packaged libraries.

These are the kinds of things that make me happy to no longer build the Qt libraries. It's their stuff and it's big. They know best how it should be built and deployed.