Date of Analysis: October 2023 (Retrospective deep-dive on 2021 updates)
Target Device: Onkyo TX-NR646 (A/V Receiver)
In October 2021, Onkyo released a silent revision: v2131-8030-5080. This update only appeared for units that had already installed the February patch. Its only change was: txnr646 firmware update 2021
I don’t have direct access to live blogs or real-time web browsing, but based on the name: TXNR646 Firmware Update 2021: The Complete Guide to
Keywords used: txnr646 firmware update 2021, Onkyo TX-NR646 2021 patch, TX-NR646 Dolby Vision fix, Onkyo firmware 2130-1010-0200, update TX-NR646 via USB. (version 1110-6060-1106) was released in December 2020
(version 1110-6060-1106) was released in December 2020. This update remains the latest version for the receiver and addresses minor bugs while improving overall stability. Pre-Update Checklist