The release notes for Symantec Endpoint Detection and Response (SEDR) 4.6 are available here: https://techdocs.broadcom.com/content/dam/broadcom/techdocs/symantec-security-software/endpoint-security-and-management/endpoint-detection-and-response/generated-pdfs/sedr_release_notes_4.6.pdf
New issues discovered after the 4.6 release are listed below.
Symantec EDR 4.6.5 supports Mac agent endpoint enrollment when you upgrade to SEP 14.3 RU2. After the upgrades to Symantec EDR 4.6.5 and SEP 14.3 RU2, Mac endpoints can forward the following event types to Symantec EDR:
8001: Process Event
8003: File Event
8016: Startup Application Configuration Change
For more information about supported functionality, see About Mac agent support.
After upgrading the Appliance to version 4.5.0, it is not possible to include SEPM groups for EDR to manage. The groups are selected and the configuration is saved, but the groups are never included, and the screen remains processing. See the following KB for more information.