Qt on 64-bit Raspberry Pi OS

64-bit ARMv8 CPU on Raspberry Pi 4

The Qt 5.15.2 build guide has now been updated with details about building for the 64-bit variant of Raspberry Pi OS.

There are some small differences, you must use the Mesa VC4 driver for EGLFS and build with the correct Qt platform build setting. Details are now explained in the updated build tutorial.