To have updated systems is very important for security and stability reasons.
Oracle releases patch updates each quarter for Solaris 10 and Solaris 11.3 till 01/2024.
This patches only fix the most important issues, but not all.
To receive this patches for the older Solaris releases you need Extended Support.
It is highly recommended to update to the current Solaris 11.4 release.
For Solaris 11.4 there is a SRU (Support Repository Update) each month.
Make sure you know which Solaris server are not yet on the recommended level.
With our JomaSoft VDCF management tool for Solaris you have a good realtime overview of the Levels.
Learn more about VDCF