There's been an update fairly recently and it does now get the
notifications, however it doesn't 'announce' like the other hubs (or at
least if it does, ours have been very inconsistent!)
Also following, as my pixel tablet hub has disappeared from the list of
available devices for routines / automations - and removed itself from
routines I'd been using.
I've just tried it on my pixel tablet in hub mode, and it responds with
'I don't know but here's some search answers that might help' It's
running build: TQ3A.230901.001.B1