What's New and Release Notes 25.3Illumio Core Release Notes 25.3Product Version 25.3Product Version 25.3These release notes provide a list of resolved issues for Illumio Core 25.3.x releases.Illumio Core release numbering uses the following format: “a.b.c-d+e”.“a.b”: Standard or LTS release number, for example, “2.2”“.c”: Maintenance release number, for example, “.1”“-d”: Optional descriptor for pre-release versions, for example, “preview2”