I would call this more of a feature than a bug that needs fixing.  I would hope that [osc~] and [cos~] don't change, simply because many of us like these little nuances.
  If it is really bothersome then perhaps create a new version, but let’s not change a legacy object.  A simple “fix” might break someone else’s patch.

Just my opinion,
-Rob

Did you make it work in a patch? if so, can you share it? :)

Maybe someone could work on a "fix" on the source and send it to miller,
perhaps this could be updated for the next version release (0.47).

cheers

2015-11-22 19:32 GMT-02:00 Matt Barber <brbrofsvl@gmail.com>:

Yeah, so all that really needs to be done is to force symmetry by copying
the 0-pi phase inverted to the pi-2pi phase + guard points for [tabosc4~].
I did that and it's been stable for 3.5 hours. It wouldn't be too hard to
fix this in the Pd source; it would be a marked improvement to [osc~] even
with the 512-pt table and linear interpolation.