Description of changes:
Complete migration of QHIN Hub web gateways to later version of RHEL in order to support TLS v1.3.

Scope:
These changes will be applied to the eHealth Exchange Hub PRODUCTION environments as outlined above.

Impact:
We do not anticipate any other service interruptions during the Thursday maintenance event; Real-time routing of messages through the Hub will be unaffected.

Support:
eHealth Exchange staff will monitor administrator@ehealthexchange.org during the upgrade window to address any questions or concerns.