Not well optimised need to optimise well.....
5.0.3 is not yet out for 3/T
Edit: What he said. ^^
There's always a chance its the app rather than the OS.
Ho Sorry Oxygen 5.0.2
Was there something wrong with the existing 5.0.2 thread ? My previous post still applies.
Shot on OnePlus February: Bridges
by script, 2020-02-01