| | Version | Key Changes & Improvements | | :--- | :--- | :--- | | 2016/9/30 | — | Added DTS:X sound mode and fixed various playback issues | | 2017/3/7 | 3600-0916-3061 | Enabled AVR Remote App v2.1.0 control, fixed podcast and AAC file playback | | 2017/9/8 | 3600-5946-3080 | Added Dolby Vision & HLG (Hybrid Log Gamma) signal passthrough support | | 2017/12/11 | 3200-8986-3003 | Fixed inability to play certain WAV files | | 2018/6/13 | 3400-9927-3063 | Fixed no-audio issues with Xbox One Dolby Atmos and Netflix streaming | | 2018/9/18 | 3400-0087-3001 | Enabled ALLM (Auto Low Latency Mode) support | | 2019/6/13 | 3500-2038-3001 | Fixed Dolby Vision output issues on certain TVs and DVD playback |
Wireless updates are more prone to corruption. Plug a physical Ethernet cable into the AVR-X2300W for the update. denon avrx2300w firmware update hot