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I was able to successfully download and install the new sound pack. All of the new sounds play fine, but IFX no longer works. I don't have any problems accessing the edit screens. And I can add, remove turn on and off, change routings, etc. but there is zero changes to the sounds I'm trying to edit.

And sounds I had added IFX to prior to install are all broken.

Any ideas what would cause this and how to fix it?

Check IFX override in Global mode Basic "Effect global SW" .

Check if routings are set to IFX instead of L/R ?

Which sound pack did you install ?

The sound pack was the new Berlin Grand.

The global override wasn't on (I'd checked that) but it does look like a lot of programs/combis ended up with the routing settings changed to L/R.

Now I'm going through them one by one finding ones with IFX turned on but the routing set wrong. Quite the pain. But thanks for the tip!

IFX working fine for me,but I had SGX-1 piano types repeated in the list after new Berlin entries.
this bug disappeared after second reboot )

gboser & anybody that might suddenly loose IFX while in intensively effects editing !
I've remarked this issue occasionally in both OS v2.12 & v3 and happens only in IFX for all Programs
(although COMBI works fine in that case) , it's an effect CPU issue that disappears after rebooting !