SR5 is better at this point.
Because it has had eight years of errata and updates. That's all.
SR6 is likely to be a rules and PR trainwreck for at least a couple more years while CGL scrambles to salvage after tripping out of the gate.
Sadly true. Right now, they still seem to scramble with the very thought that there
might be something wrong with the new edition

However, i donīt think that Narcoject is that big of a problem here. At least not yet, since there are limited options to deliver the payload. Letīs see if the Combat supplement brings back universaly usable DMSO rounds, though
The combat gases however: Boi. There really should be different strengths for different vectors. Strictly RAW, a gas mask doesnīt help drek against
any of the combat gases listed in the CRB. And thatīs not a new problem.