Yamaha announces a number of 2015 Aventage AVRs will receive HDR support and DTS:X compatibility via firmware update, including the RX-A1050, RX-A2050, RX-A3050 and the CX-A5100 models.
HDR is part of the UHD Blu-ray specification, and support comes through an update to the latest HDMI version (2.0a). The latest firmware also provides the latest HDMI version and copy protection, as well as support for the DTS:X content platform.