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(for example, if 2021.1 is the current release, versions 2021.x and 2020.x are supported, but 2019.x is not supported) PetaLinux commercial versions older than the last two major releases.Software and Reference Designs older than the last two major releases.Information on product availability, pricing, order lead times, and product end-of-life.Xilinx Technical Support provides assistance to all types of inquiries except the following: