This release notes document for ExtremeCloud™ IQ (Classic) version 25.5.1-15 provides a comprehensive overview of new features, resolved issues, known limitations, and supported hardware and software platforms. Key enhancements include AFC support for AP5050 in Canada, WBA OpenRoaming for AP4020X, Fabric Attach Redundancy, UL OFDMA support for AP5020 and AP4020, and WPA3 Personal Transition Mode across multiple frequency bands. The release introduces configuration improvements such as Spanning Tree support for AP302W, indoor/outdoor mode for AP4060 series, and DNS default changes to Cloudflare. It supports IQ Engine 10.8.4, Switch Engine 33.2, and VOSS 9.1.0.1, with expanded device compatibility across Universal Hardware, ExtremeXOS, VOSS, and Dell EMC platforms. Over 20 issues were addressed, including fixes for API failures, localization errors, configuration update timeouts, and dashboard display inconsistencies. Known issues include UI synchronization delays, configuration push failures, and licensing anomalies. The document also outlines firewall and IP address requirements for global data centers, supported browsers, and display settings. Designed for IT professionals and network administrators, this technical document assumes an intermediate to advanced understanding of cloud-managed networking environments.
