This release notes document for ExtremeCloud IQ (Classic) version 25.13.1-1 (Patch 1) (August 2026) summarizes new features, resolved defects, known issues, software and hardware support, and deployment requirements for cloud-managed wired and wireless network infrastructures. The document provides guidance for device onboarding, monitoring, firmware lifecycle management, configuration deployment, licensing, API usage, SSO integration, and interoperability with ExtremeCloud IQ Site Engine, CoPilot, and ExtremeCloud A3. It details fixes for SSID visibility, guest onboarding policy enforcement, reporting accuracy, licensing compatibility, and user interface behavior, while identifying known limitations involving APIs, Device360, firmware upgrades, stack management, wireless configuration, SSO sessions, troubleshooting workflows, and telemetry reporting. Intended for network administrators and technical operations teams, it also defines supported IQ Engine, Switch Engine, Fabric Engine, VOSS, WiNG, controller, router, and browser versions, along with firmware prerequisites, stack constraints, security-related SSO considerations, and compatibility requirements for enterprise deployments.
