Topics in this issue include:

• Additional Block Migration Enhancements - December 3 ^New
• Information Security Update - December 17

New - Additional Block Migration Enhancements

Effective Monday, December 3 (trade date Tuesday, December 4), an optional Notes field will be available for single- and dual-sided inbound and outbound Trade Capture Report messages at the Report Side level to further support Block and EFRP migrations. 

Please view sample message for additonal information.

This change will be available for customer testing in New Release on Thursday, November 30.

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Information Security Update

CME Group is committed to our customers’ information security. To deliver the best security and customer experience, effective Sunday, December 17 (trade date Monday, December 18), the listed CME Group services will support Transport Layer Security (TLS) version 1.2 only, and TLS 1.0 and 1.1 will be disabled. Customers are encouraged to upgrade to TLS 1.2 immediately; please contact your system administrator or network provider today to ensure seamless access.

This change is currently available for customer testing in New Release and Certification.