## Changes Introduced in V8.7.1

The following describes the most significant changes which occurred in the AST library between versions V8.7.0 and V8.7.1:

1. The MocMoc class now supports version 1.1 of the the MOC recommendation. This includes new support for string and JSON encoded MOCs. See methods astGetMocStringastGetMocString and astAddMocStringastAddMocString in the Moc class, and also the new MocChanMocChan class.

2. The FitsChanFitsChan class will now read FITS-WCS headers that have alternate axis descriptions but no primary axis descriptions.