Release Notes

Release Notes - FIX Engine Java - Version 2.16.3

Admin — Tue, 04 Aug 2026 14:19:04 GMT

Improvement

[JAVA-3603] - Sequence gap is not recovered when an out-of-sequence message fails validation

Bug

[JAVA-3602] - Concurrent timestamp generation could produce corrupted timestamps
[JAVA-3601] - Restore sending and receiving thread affinity on Linux
[JAVA-3598] - Sending a message from an outbound message listener during a batch send could corrupt outbound data and sequence numbers

Release Notes - CME Drop Copy Java - Version 4.14.0

Admin — Wed, 22 Jul 2026 12:01:22 GMT

Task

[JCMEDC-172] - Support Java FIX Engine 2.16.2

Release Notes - CME MDP Premium Market Data Handler C++ - Version 5.10.3

Admin — Tue, 14 Jul 2026 20:27:19 GMT

Bug

[CCMEMDH-2067] - Delayed OnSecurityChange callbacks for order-id book updates

New Feature

[CCMEMDH-2059] - Multicast log replay functionality

Release Notes - Euronext Optiq MDG Market Data Handler - Version 1.5.0

Admin — Thu, 09 Jul 2026 11:49:00 GMT

Improvement

[EOMHC-84] - Improve SBE Schema Version Check

Release Notes - CME MDP Premium Market Data Handler C++ - Version 5.10.2

Admin — Thu, 09 Jul 2026 11:02:43 GMT

Bug

[CCMEMDH-2064] - ConsolidatedBook updates can be missed with OnSecurityChange

Release Notes - CME MDP Premium Market Data Handler C++ - Version 5.10.1

Admin — Wed, 08 Jul 2026 09:33:24 GMT

Improvement

[CCMEMDH-2051] - Modernize messaging subsystem
[CCMEMDH-2001] - Add Security::lastEventTime
[CCMEMDH-1997] - Add xz format support for pcap replay

Release Notes - Euronext Optiq MDG Market Data Handler - Version 1.4.2

Admin — Tue, 07 Jul 2026 13:40:40 GMT

Task

[EOMHC-80] - Spec updated to v6.366.0 and template SBE 366 for Optiq Cash and Derivatives dated 08/06/2026
[EOMHC-79] - New template SBE 365 for Optiq Cash and Derivatives

Release Notes - Eurex T7 Enhanced Trading Interface (ETI) Handler Java - Version 1.14.0

Admin — Fri, 03 Jul 2026 15:03:43 GMT

Story

[JAVAEUREXETI-162] - BREAKING CHANGE: ChannelBuffer replaced with ByteBuf in public listener interfaces

Improvement

[JAVAEUREXETI-161] - Upgrade Netty from 3.5.9 to 4.1.133.Final
[JAVAEUREXETI-160] - Include Maven POM files in the binary distribution

Release Notes - Eurex T7 Enhanced Trading Interface (ETI) Handler Java - Version 1.14.0

Admin — Fri, 03 Jul 2026 14:28:46 GMT

Story

[JAVAEUREXETI-162] - BREAKING CHANGE: ChannelBuffer replaced with ByteBuf in public listener interfaces

Improvement

[JAVAEUREXETI-161] - Upgrade Netty from 3.5.9 to 4.1.133.Final
[JAVAEUREXETI-160] - Include Maven POM files in the binary distribution

Release Notes - Eurex T7 Enhanced Trading Interface (ETI) Handler Java - Version 1.14.0

Admin — Fri, 03 Jul 2026 14:23:35 GMT

Story

[JAVAEUREXETI-162] - BREAKING CHANGE: ChannelBuffer replaced with ByteBuf in public listener interfaces

Improvement

[JAVAEUREXETI-161] - Upgrade Netty from 3.5.9 to 4.1.133.Final
[JAVAEUREXETI-160] - Include Maven POM files in the binary distribution