Where did you read that Dave?
Nothing passed legally so-far. It's all part of diplomatic pressures.
To be on the safe side though, I would strongly suggest you make regular (even daily) visits to this webpage -
Hongkong Immigration Department
If you scroll down on that page you'll see it's still showing Philippines at 14 days visa-free
I'd also suggest keeping tabs on this webpage also -
Philippine Consulate General in Hong Kong
You can also send e-mail to them at
hongkongpc@philcongen-hk.com
I think she'll be fine in December unless anything seriously dramatic happens any time soon.
Personally I doubt such sanctions will happen as things stand now.
Keep checking those links though