CHANGE HISTORY: Version 1111-4010-0060-0010 - Improve playback stability for Chromecast Built-in. - Improve playback stability for Airplay. - Improve the playability for certain WAV files. Version 1111-3010-0060-0010 - Add setting to switch ''Standard'' and ''Enhanced'' according to HDMI 4K signal format. http://jp.pioneer-audiovisual.com/manual/vsx933/supple_933.pdf - Minor bug fixes and improvements stability. Version 1101-2010-0060-0010 - Minor bug fixes and improvements stability. Version 1091-1010-0060-0010 - Adds support for Amazon Music. Amazon Music service requires that you have Amazon Prime account or Amazon Music Unlimited account Pioneer Remote App is required for initial set-up of Amazon Music. For detail about updated function, please refer to the link below. http://jp.pioneer-audiovisual.com/manual/sup/upd/amazon_pio.pdf - Enhanced security. Depending on the Firmware version, update will be needed 2 times. - Minor bug fixes and improvements stability. Version 1081-0010-0060-0010 - Enhanced security. - Adds support for Deezer HiFi. Version 1070-9010-0060-0010 - Improvement of audio output when playback certain Dolby Digital Plus contents. - Minor bug fixes and improvements stability. Version 1060-8010-0050-0008 - Improve the noise during playback via USB/Network Version 1060-7010-0050-0008 - Adds support of external audio inputs* for "FlareConnect". *For detail about external audio inputs, please refer to the link below. http://pioneer-audiovisual.com/flareconnect/ - Minor bug fixes and improvements stability. Version 1050-5010-0040-0008 - Adds support for new multi-room audio playback function "FlareConnect". *All audio devices in group and "Pioneer Remote" App is required to update to the latest version. How to Enjoy FlareConnect http://intl.pioneer-audiovisual.com/letthemusicplay/setup Introduction of multi-room audio functions http://intl.pioneer-audiovisual.com/letthemusicplay/ - Improvement for pass-through function of Dolby Vision signal. - Minor bug fixes and improvements stability. Version 1040-4010-0030-0008 - Adds support for DTS Play-Fi. *To use Play-Fi, you need to download the application. http://jp.pioneer-audiovisual.com/manual/sup/upd/playfi_pio.pdf Before starting to use Play-Fi, set "On" at the "Network Standby" ("NET Stby") setting. The unit will automatically power on and change the selector to "NET" or "Network". - Adds support for "Dolby Atmos for 3.1.2ch". - Expand playable content of DTS:X. - Adds "Play Queue" function. For detail about updated function, please refer to the link below. http://jp.pioneer-audiovisual.com/manual/sup/upd/queue_pio.pdf - Adds "Search/ Sort" function on Music server. - Adds "Display WAV file information ( album art, artist, album ) via USB" function. Please note that only above functions are added this time. Please refer to the link below and find out the explanation of your related function. http://jp.pioneer-audiovisual.com/manual/sup/upd/audio1709_na_pio.pdf Important notice: * The fore mentioned functions depend on model - not all functions are available for each model. - Minor bug fixes and performance improvements. Version 1020-2000-0010-0008 - Adds support for Chromecast built-in. *Chromecast-enabled applications is required to enjoy Chromecast built-in. *As an initial setting, before starting to use Chromecast built-in, you need to accept the PRIVACY POLICY on our smartphone application "Pioneer Remote App". For more detailed information, Please refer to below. http://jp.pioneer-audiovisual.com/manual/sup/upd/chromecast_pio.pdf - Adds support for FireConnect. This update will enable streaming from Network Services/USB/Bluetooth/Music server. *Sampling rates of 44.1 kHz and 48 kHz are supported.(USB/Music server) *Pioneer Remote App is required to enjoy FireConnect. How to Enjoy FireConnect?F http://intl.pioneer-audiovisual.com/letthemusicplay/setup/fireconnect.pdf Introduction of multi-room audio functions?F http://intl.pioneer-audiovisual.com/letthemusicplay/ - Minor bug fixes and performance improvements.