HCL has released CR1 for HCL Connections 6.5that includes, as usual, some fixes, some new functionality and the return of a missed feature.
You could see the new functionality in this video from HCL youtube channel:
The feature comes back from the past is HCL Connections MAIL that permit the integration of mail and calendar inside Connections:
Last but not less important HCL has introduced a new upgrade also for the Component pack that upgrade the elastic stack and finally support Kubernetes 1.17.2 , instead of the previous out of support 1.11 version (here the upgrade procedure for CP to the last version).
The upgrade procedure is same as previous CR, follow the Update strategy article, here the technote with dbs upgrade, you could find all the packages inside flexnet looking for "HCL Connections v6.5 CRs and APAR Fixes"