From the patch notes:

The following adjustments have been made to Raptor's Fury and Coeurl's Fury:

Maximum stacks of Raptor's Fury have been reduced from 2 to 1.
Maximum stacks of Coeurl's Fury have been reduced from 3 to 2.

In accordance with this change, the display of the Beast Chakra Gauge has been adjusted.

https://na.finalfantasyxiv.com/lodes...ad4c636c9bd44e