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DisplayLink Software Release: External Release Note
Software Package: DisplayLink Graphics
Software Package Version: 8.4.3026.0
Software Package Date: 30th November 2017

DisplayLink Ethernet Driver x86, x64 Version: 8.4.2815.0
DisplayLink Ethernet Driver ARM 64 Version: 8.4.2997.0
DisplayLink Audio Driver Version: 8.4.2952.0
       
Windows 7 - Windows 10 Build 10586:
 - DisplayLink Core Software Version: 8.4.3026.0
 - DisplayLink Core Software Date: 30th November 2017
Windows 10 Build 14393 onwards:
 - DisplayLink Graphics Driver x86, x64 Version: 8.4.3005.0
 - DisplayLink Graphics Driver ARM x64 Version: 8.4.3004.0
 - DisplayLink Graphics Driver Date: 30th November 2017

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=============================================================================

A. Introduction
===============
This is the R8.4 Release Candidate, the second public release preview of 8.4.
This release candidate will continue to be qualified and if no issues found, it
will become the 8.4 release. 

DisplayLink software release 8.4 delivers:
- HDCP 1.x capability on DL-6950 IC DisplayPort outputs on Windows 10 Creators 
  Update onwards (build 15063, v1703) with platforms (Intel 7th generation 
  CPU + GPU) and players supporting protected content over indirect displays
- DisplayLink DL-4100 monitor rotation sensor reporting through DDC/CI protocol
- Microsoft inboxed audio class driver used from Windows 10 Fall Creators 
  Update
- Windows 10 Ethernet driver DCHU compliance
- Windows 10 video driver DCH compliance
- DisplayLink DL-6950 hardware mouse cursor on Windows 10 Anniversary Update
  onwards
- DisplayPort++ passive type 2 adapters now supported up to 4Kp60 on the 
  DisplayLink DL-6950 IC
- Windows 10 on Qualcomm Snapdragon 64-bit ARM SoC preview
- Other Windows 10 Anniversary/(Fall) Creators Update performance and 
  reliability improvements

This release is for Windows 7 and later. 

The DL-3xxx, DL-4xxx (where applicable) and DL-5xxx plus the
associated software, is tested to meet the following compliances at the time
of release:

- DisplayPort (source 1.2)
- USB 2.0
- DisplayPort ++
- HDCP over HDMI
- HDCP over DVI
- HDMI (source 1.4a) 

The DL-6xxx plus the associated software, is tested to meet the following
compliances at the time of release:

- DisplayPort (source 1.2)
- DisplayPort ++
- USB 2.0
- USB 3.0
- HDMI (source 1.4 and 2.0) 

For further support and information about DisplayLink software, please visit
http://support.displaylink.com/


A1. Important notes about DL-3xx0, DL-41xx, DL-5xx0, DL-6xx0 Firmware
======================================================
This software release contains an embedded firmware image. 
DL-1xxx/DL-3xxx/DL-41xx/DL-5xxx/DL-6xx0 devices will be automatically updated
with this firmware upon connection.


B. Contents
===========
A. Introduction
A1. Important notes about DL-3xx0, DL-41xx, DL-5xx0 and DL-6xx0 Firmware
B. Contents
C. New features
C1. Issues fixed since R8.3 release (8.3.2099/8.3.2098)
D. How to Install and Use
E. Supported Operating Systems
F. PC Recommended Specifications
G. Language Support
H. Supported Hardware
I. Known Issues and Limitations

C. New features
===============
DisplayLink software release 8.4 delivers:
- HDCP 1.x capability on DL-6950 IC DisplayPort outputs on Windows 10 Creators 
  Update onwards (build 15063, v1703) with platforms (Intel 7th generation 
  CPU + GPU) and players supporting protected content over indirect displays
- DisplayLink DL-4100 monitor rotation sensor reporting through DDC/CI protocol
- Microsoft inboxed audio class driver used from Windows 10 Fall Creators 
  Update
- Windows 10 Ethernet driver DCHU compliance
- Windows 10 video driver DCH compliance
- DisplayLink DL-6950 hardware mouse cursor on Windows 10 Anniversary Update
  onwards
- DisplayPort++ passive type 2 adapters now supported up to 4Kp60 on the 
  DisplayLink DL-6950 IC
- Windows 10 on Qualcomm Snapdragon 64-bit ARM SoC preview
- Other Windows 10 Anniversary/(Fall) Creators Update performance and 
  reliability improvements

C1. Issues fixed since R8.3 release (8.3.2099/8.3.2098) 
----------------------------------------------------

Issues fixed in 8.4 release (8.4.3032.0/8.4.3005.0)
-------------------------------------------------

- Windows 8.1 USB3 host controller driver compatibility check may fail
  on brand new driver (26349)
  
- After unlocking PC with basic mode on Windows 7, monitor could stay black or
  display content could be corrupted (26173)
  
- DisplayLink Manager service on Windows 7 could fail to start if Windows 
  version in registry does not match OS installed (25747)
  
- Ethernet MAC address cloning from registry might not work on selected USB 
  product IDs with 8.3 Mx driver (26528)
  
- Headset may have a pop noise on DL-6950 based docking stations (26486)

- Microphone autoswitch on connection may not always work on DL-6950 based 
  docking stations (26055)
  
- Monitors sending two different EDIDs in short succession when resuming from 
  S4 sleep may not wake up (26361)
  
- DisplayLink User Interface may crash if user clicks many times in very short
  succession on the system tray icon (26517)
  
- Data misalignment could cause the encoding to fail in some cases for the 
  DisplayLink DL-41xx series on Windows 10 Anniversary Update (25874)

D. How to Install and Use
=========================
Please find detailed guidance and information about how to install and use this
software, see the articles on the DisplayLink support site:
http://support.displaylink.com/knowledgebase/articles/615714

Information on corporate deployment can be found here:
http://support.displaylink.com/knowledgebase/articles/607686

Corporations can download the MSI installation files from:
http://www.displaylink.com/downloads/corporate

For further support and information about DisplayLink software, please visit
http://support.displaylink.com


E. Supported Operating Systems
==============================
This release can be installed on the following operating systems:

    - Windows 7 (32-bit and 64-bit editions)
    - Windows 8, 8.1 (32-bit and 64-bit editions)
    - Windows 10 (S) (32-bit and 64-bit of Intel/AMD platforms)
    - Windows 10 S (64-bit Qualcomm Snapdragon platforms) via INF package

F. PC Recommended Specifications
================================
Please find detailed information about the minimum and recommended system
specifications needed to run this software in the DisplayLink
http://support.displaylink.com/knowledgebase/articles/524951

G. Language Support
===================
Please find the complete list of languages supported by this software:
http://support.displaylink.com/knowledgebase/articles/630820

H. Supported Hardware
=====================
Devices supported:
- DL-6950
- DL-5500 / DL-5700 / DL-5900 / DL-5910
- DL-41xx
- DL-3100 / DL-3500 / DL-3700 / DL-3900 / DL-3950
- DL115 / DL125 / DL165 / DL195

I. Known Issues and Limitations
===============================
System behaviour with DisplayLink attached screens has been well tested.
Testing covers plug/unplug, mode changes, playing video, hibernate,
sleep/standby, multiple users, different user rights, attached screen as
primary screen, attached screen as only screen, and other aspects.

 - When upgrading from R8.1, disconnecting and re-plugging the USB of the
   product using DisplayLink technology is necessary (25057, 25075)

 - Windows 7 requires Microsoft KB3033929 or later installed to validate 
   SHA-256 driver signature hashing. SHA1 has been deprecated (23965)
   
 - Devices with mass storage or auto-install are not supported by Windows 
   10 Anniversary Update UMDF USB driver DisplayLink uses (21959)
   
 - Windows 10 Anniversary Update sets the wrong preferred mode 9124025 
   (23871)

For information about specific issues please see the DisplayLink support
knowledgebase: http://support.displaylink.com/knowledgebase
