Wallet 2.1 released!
It is a small fix including KGW exploit fix. Sent email to Mintpal. Please update ASAP!
No big update as first mentioned in IRC channel. This is the old 2.0 wallet updated.
KGW exploit fix will start at block 48300.
https://github.com/clarv/grumpycoin
Download Windows wallet 2.1
http://www.grumpyco.in/wallets/
Spread the word :-)!

There's no mention of an updated Mac OS wallet on grumpyco.in or this thread-- but the thread started by templar 77 appears to. Can someone advise on the ETA of your Mac release or if it's okay to download the client from templar77's thread.