Comment # 4 on bug 1226112 from Fabian Vogt

(In reply to Björn Bidar from comment #3)
> What is left that kmozillahelper does that the new switch to use the
> XDG-Portal doesn't do?

Nothing really relevant anymore FWICT.

> From my point of view there should be no downside to use portals by default
> even outside of Plasma as it can useful for other use cases.

Not sure whether there are any edgecases. Some DEs might not have portals
configured correctly or not available at all. So IMO doing this only for Plasma
for now is safer.

(In reply to Fabian Vogt from comment #2)
> Ping - this is becoming more and more urgent.

Another week gone, maybe it helps to CC the maintainer directly.