Release Notes - ICE iMpact Multicast Price Feed Handler C++ - Version 8.20.0

Written by Admin | Sep 14, 2026, 2:16:15 PM

New Feature

[CPPICEIMPACT-1469] - Support iMpact Multicast Feed Message Specification version 1.1.54.2 (July 27, 2026)
[CPPICEIMPACT-1468] - Support iMpact Multicast Feed Message Specification version 1.1.54.1 (June 8, 2026)
[CPPICEIMPACT-1465] - Support iMpact Multicast Feed Message Specification version 1.1.54 (March 26, 2026)
[CPPICEIMPACT-1464] - Support iMpact Multicast Feed Message Specification version 1.1.53 (March 13, 2026)
[CPPICEIMPACT-1449] - Support the ICE iMpact Sequence ID Rollover message
[CPPICEIMPACT-1447] - Add a Handler option to report empty multicast message blocks
[CPPICEIMPACT-1432] - Support iMpact Multicast Feed Message Specification version 1.1.51 (January 7, 2025)

[CPPICEIMPACT-1455] - Do not send Historical Replay requests for snapshot channels
[CPPICEIMPACT-1303] - Enable `TrackTopOfTheBookOnly` option for FOD subscriptions

[CPPICEIMPACT-1422] - Order book prices are incorrect when definitions arrive via live multicast feed
[CPPICEIMPACT-1414] - BREAKING CHANGE: Sequence Number Overflow Handling

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