-Q is documented as,
-Qquiet mode (no prompt) and quit faster (
man radare2 shows,
-q, but exiting without freeing RCore, this produces leaks at exit time, but saves some precious ms to run the testsuite in fast mode.
Does not freeing RCore just mean that kernel does it for you when the processes terminates? Why would this even matter? Is there a downside to an app leaking on termination?