Update details: OnixS FIX Support Pack update for Nasdaq NFX FIX Reference Data - update for FIX API specification <v1.7>
Updated individual FIX Dialect files, which reflect the corresponding changes, can be downloaded from here:
FIX Dialect Download authentication credentials:
All FIX Dialects are session-level dialects. This requires explicit dialect specification while creating message and session objects. You can find more information about session-level FIX dialects for .NET, C++ or Java.