1 May 2026
Qt's event dispatcher is the master. A zero-interval QTimer pumps
asyncio's internal _ready and _scheduled queues. I/O readiness is
delivered via QSocketNotifier, converted into standard asyncio handles.
All of asyncio's C-accelerated Future, Task, and Handle machinery
is preserved — we only replace the bottom-most scheduling layer.
rainzeeBased on my testing, under extremely high loads, it no longer affects GUI rendering at all.
what's the differentence between it and qasync