=============================================================================
=============================================================================
DisplayLink Software Release: External Release Note
Software Package: DisplayLink Graphics
Software Package Version: 8.5.3508.0
Software Package Date: 23rd May 2018

DisplayLink Ethernet Driver Version: 8.5.3447.0
DisplayLink Audio Driver Version: 8.5.3357.0
       
Windows 7 - Windows 10 Build 10586:
 - DisplayLink Core Software Version: 8.5.3490.0
 - DisplayLink Core Software Date: 23rd May 2018
Windows 10 Build 14393 onwards:
 - DisplayLink Graphics Driver Version: 8.5.3459.0
 - DisplayLink Graphics Driver Date: 21st May 2018
=============================================================================
=============================================================================

A. Introduction
===============
This is the R8.5 M1 product release, the first maintenance release of 8.5. 
It has been put through our full system tests and is suitable for deployment 
to end-users.  

DisplayLink software release 8.5 delivers:
- DisplayLink DL-6950 video playback improvements
- Gigabit Ethernet speed improvements on lower end platforms
- Alternate encoding developer preview (details on 8.5 beta forum)
- Other 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-1xxx/DL-3xxx/DL-41xx/DL-5xxx/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-1xxx/DL-3xxx/DL-41xx/DL-5xxx/DL-6xx0 Firmware
B. Contents
C. New features
C1. Issues fixed since R8.4 release (8.4.3480/8.4.3485)
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 8.5 delivers:
- DisplayLink DL-6950 video playback improvements
- Gigabit Ethernet speed improvements on lower end platforms
- Alternate encoding developer preview (details on 8.5 beta forum)
- Other performance and reliability improvements

C1. Issues fixed since R8.4 release (8.4.3480/8.4.3485)
----------------------------------------------------

Issues fixed in 8.5 M1 release (8.5.3490.0/8.5.3459.0)
-------------------------------------------------
- Internet Explorer 11 does not refresh when lock/unlock in Windows Basic 
  graphics mode on Windows 7 - 8.1 (27692)
- On Windows 10, display mode can't be changes from second only to duplicate
  or clone, with selected modes on specific products (27393)
- CVE-2018-7884 - the embedded cleaner could be swapped during driver update 
  to execute other application. Not applicable to Windows 10 Windows Update
  installation (27488)

Issues fixed in 8.5 release (8.5.3365.0/8.5.3361.0)
-------------------------------------------------
- Screen doesn't get updated on Windows 7 when switching from Aero accelerated
  to Basic mode (27054)
- Black screen on DisplayPort with HP LP2475w monitor on DL-6950 (27203)
- Some 4Kp60 modes wrongly filtered out as Unsupported on DL-6950 HDMI (27334)
- Corporate msi package for RS/IDD shouldn't have RS1 in their file name
  (25499)
- Harsh sounds/clicks on the headset during resuming from hibernation (26694)


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 only

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-6910 / 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)

 - 8.5 M0 and 8.5 M1 may install on outdated Windows 7 machines without 
   SHA-256 support and impact booting. March 2015 Security KB3033929 or newer
   must be installed for proper operation. (27807)
   
For information about specific issues please see the DisplayLink support
knowledgebase: http://support.displaylink.com/knowledgebase

