Why is the Ethernet MDIO IP unavailable in the IP Catalog and Platform Designer of Quartus® Prime Pro Edition Software version 26.1 for Agilex® 5 FPGA and Agilex® 3 FPGA designs? - Why is the Ethernet MDIO IP unavailable in the IP Catalog and Platform Designer of Quartus® Prime Pro Edition Software version 26.1 for Agilex® 5 FPGA and Agilex® 3 FPGA designs? Description From Quartus® Prime Pro Edition Software versions 24.1 through 26.1, the Ethernet MDIO IP is not available in the IP Catalog for Agilex® 5 FPGA and Agilex® 3 FPGA devices because support for these device families has not been enabled for the IP. Resolution A patch is available to resolve this issue in Quartus® Prime Pro Edition Software version 26.1. To install the fix: Download Patch 0.29 for your operating system. Install Patch 0.29 into your Quartus® Prime Pro Edition Software version 26.1 installation. The patch files are available below: Patch 0.29 for Windows (.exe) Patch 0.29 for Linux (.run) After installing the patch, the Ethernet MDIO IP will be available in the IP Catalog for Agilex® 5 FPGA and Agilex® 3 FPGA designs. Custom Fields values: Troubleshooting QS-603736 novalue ['Interfaces Ethernet'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 26.1 ['Agilex® 3 FPGAs and SoCs', 'Agilex® 5 FPGAs and SoCs']