Desktop Piggybank v188.8.131.52 ‘Operation DERsig-fix’ released!
https://www.piggy-coin.com/getting-started/ <- Get it here.
It's a compulsory update for all users. There are some important bug fixes. The way that stakes combine has also changed to make it easier for big stakers to stake without their piggybanks freezing. See https://github.com/piggycoin/newpiggycoin/releases/tag/v184.108.40.206 for more info on changes.