HI Jack2mpu,
yes indeed we encountered compatibility issues with this update on AAX format on osx 10.10 and older versions. We did a lot of testing to know more about this problem. We are currently working on this, a hotfix is on the way.
In the meantime, Analog Lab 2 2.0.4.1155 runs fine in pro tools on osx 10.11 and osx 10.12
thanks for your patience, and sorry for the inconvenience.