As per the Sage X3 Life Cycle Policy, Sage X3 V11 will enter "End of Maintenance" phase of support on 1st April 2024.

Once a version of Sage X3 enters the End of maintenance stage, Sage will no longer issue Bug fixes, updates, or Security updates. Sage strongly recommends you regularly maintain all X3 systems to keep your versions in the "Current" support phase.

Please review the Sage X3 Lifecycle Policy document for full details.