What's New and Changed in Release 21.5.3
Illumio Core 21.5.3 introduces the following enhancements.
Important
Illumio Core 21.5.3-PCE is available for Illumio Cloud customers only. This release is not available for Illumio Core On Premises customers to download to install in their data centers.
21.5.3 Illumio Core Maintenance Release
Illumio provides regular maintenance updates for reported bugs and security issues, and to add support for new operating system versions.
As a maintenance release, Illumio Core 21.5.3 solved software and security issues to refine the software and improve its reliability and performance.
For more information about the Illumio software release types and software support, see Versions and Compatibility on the Illumio Support portal (log in required).