The conditional formatting on the card visual for the 'Callout value' is missing in the September release.
No workaround that I've found so far.
I've had to reinstall the August release to conti...
Yes I noticed that as well as i have used lots of card showing varinaces which changes colors as per -ve annd +ve values ... no all of sudden i cant see the values and more over the FX is reset in Title color as well so i had to resent them as well.