Audience Limit for GA App + Web Properties Increased from 50 to 100
https://support.google.comAudiences in Analytics are users that you group together based on any combination of attributes that is meaningful to your business. Predefined ones include things like ( New Users, Returning Users, Users who completed a goal conversion, etc ).
In traditional Google analytics, at any given time you can have a maximum of 50 audiences published to an Analytics account, and a maximum of 20 published to any single property within that account. Google recently announced that for App + Web Properties they have increased the number of audiences you can create from 50 to 100.