Release Notes

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

Admin — Mon, 14 Sep 2026 14:16:15 GMT

[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

Admin — Mon, 14 Sep 2026 08:20:24 GMT

[JAVAEUREXETI-188] - Become ready to Introduction of Release 15.0 (D0002) on 9 November 2026

[JAVAEUREXETI-165] - Sender error (IndexOutOfBoundsException / ArrayIndexOutOfBoundsException) during rapid disconnect/reconnect cycles

Admin — Wed, 09 Sep 2026 15:28:59 GMT

Admin — Tue, 01 Sep 2026 15:56:19 GMT

[CPPEUREXETI-726] - Become ready to Introduction of Release 15.0 (D0002) on 9 November 2026

Admin — Mon, 31 Aug 2026 14:54:11 GMT

Admin — Mon, 31 Aug 2026 13:06:36 GMT

[FMXUST-40] - Client Binary Market Data Protocol (BIMP) V3.27.1 dated 15th May 2026

Admin — Thu, 13 Aug 2026 15:41:21 GMT

Admin — Thu, 13 Aug 2026 15:40:30 GMT

Admin — Thu, 13 Aug 2026 15:39:02 GMT

Admin — Thu, 13 Aug 2026 15:36:04 GMT