The FIX 4.4 specification delivered enhancements over FIX 4.3 in the following areas:
Allocation model to support 2-party Fixed Income trading.+ Enhanced Allocation and Trade Capture Report messaging to support 3rd party FI reporting.
Enhanced Allocation messaging for street-side listed futures and options. New 'allocation claim' or response messages.
The data presented here includes the 20020920 Errata which corrected a number of typographical errors or ambiguities in the original specification, and which introduced a number of new fields to address various omissions.