The current version of OnixS ICE iMpact Multicast Price Feed Handler now supports ICE iMpact Specification version 1.1.50 and includes the following changes:

Added KnownMarketTypes enumeration.
FeedListener's callbacks onMulticastMessageBlockBegin/onMulticastMessageBlockEnd won't be called for the empty multicast message blocks.
Added "Accessing Product Definition" section to the Programming Guide.

Release Notes

The full list of changes available here.

Changes in the public API

Add KnownMarketTypes enumeration (CPPICEIMPACT-1023).
Support iMpact Multicast Feed Message Specification version 1.1.50 (July 10, 2024) (CPPICEIMPACT-1340).