There is no public announcement may be end of this year
Symantec will released new 12.1 RU4 MP1a version for open ssl
Symantec Endpoint Protection 12.1 Release Update 4 Maintenance Patch 1a (RU4 MP1a) has been released for the English version of our product and additional languages will become available throughout the week.
This document will be updated as the additional languages become available on
Symantec FileConnect. Please see
Obtaining the latest version of Symantec Endpoint Protection or Symantec Network Access Control for additional instruction on downloading this new update. This new version updates the Symantec Endpoint Protection Manager to 12.1.4104.4130 to address this issue. There are no updates to the client installation packages included with this release. This Symantec Endpoint Protection Manager update is a complete release and accepts migrations from any previous release of the Symantec Endpoint Protection 12.1 product line.
Note: In the installation media, the Versions.txt indicates that the SEP client version was updated as well. This is incorrect and the client versions included with this release are 12.1 RU4 MP1. Only the Symantec Endpoint Protection Manager version is updated to 12.1 RU4 MP1a
Upgrading or migrating to Symantec Endpoint Protection 12.1.4100.4126 (RU4 MP1)