This release notes document for ExtremeCloud IQ (Classic) v25.14.0-76 (September 2026) outlines new features, software and hardware support, addressed defects, known issues, and deployment requirements for cloud-managed wired and wireless networking environments. The release adds onboarding, monitoring, configuration, and firmware management support for Fabric Engine/VOSS versions 9.3.4 and 9.4.1 across supported Universal Switch and VSP platforms, while extending interoperability with Extreme Platform ONE, ExtremeCloud IQ Site Engine, ExtremeCloud IQ CoPilot, and ExtremeCloud A3. The document provides guidance for device onboarding, configuration deployment, firmware lifecycle management, licensing, API integration, and SSO-enabled access for enterprise network operations. Addressed issues include CAPWAP connectivity failures, NAC and Client 360 data population errors, OpenRoaming certificate handling, SSID and VLAN configuration problems, firmware scheduling failures, client monitoring inaccuracies, and onboarding exceptions for access points and switches. Known issues highlight API limitations, Device 360 reporting gaps, firmware upgrade logging constraints, stack-management caveats, SSO session persistence, telemetry discrepancies, wireless configuration restrictions, troubleshooting workarounds, and unsupported deployment scenarios. Support information covers IQ Engine 10.9.2, Switch Engine 33.6, Fabric Engine/VOSS 9.4.1, WiNG, controllers, routers, browsers, and firmware prerequisites, making this release notes document suitable for network administrators, operations engineers, and technical support personnel responsible for enterprise-scale deployments and upgrades.
