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        DisplayLink macOS Application Release Note

Version: v1.6.0
Build: posix/59-3210-g8fbef5cd113 (128)

Date: 13th December 2021

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A. Introduction
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This is DisplayLink Manager macOS app v1.6.0 release.
Details about this app can be found in our FAQ: https://support.displaylink.com/knowledgebase/articles/1932214
This version supports macOS versions 11.x and 12.x. See section D for details. 

A full list of known issues can be found in the "Known issues and limitations" section below.

B. Contents
===========

A.  Introduction
B.  Contents
C.  Changes in this release
D.  Supported operating systems
E.  Language support
F.  Supported hardware
G.  Operating system limitations
H.  Known issues and limitations

C. Changes in this release
=============================

C.2 Changes in 1.6.0 release
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- Enabling display rotation via DisplayLink Manager user interface on Apple M1 computers running macOS Monterey 12
- DL-41xx: improved firmware flashing time, visible from following update onwards
- DL-6xxx: adding RTL8211FD-VX and RTL8211E Ethernet PHYs (WS1597)
- Since 1.6 Beta with Apple M1, improved handling rotation of monitors with identical serial number and name (PS1447)
- Since 1.6 Beta with Apple M1, improved red monitor outline behaviour (PS1438)


C.1 Changes in 1.5.0 release
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- Introducing additional inferred resolutions on 4K monitors: 2560x1440 and 3008x1692 on Intel based Macs
- Beta: Apple Watch unlock when resuming displays from sleep (33190)
- Fixed monitors power save mode issue on macOS Monterey 12 beta (33198)
- Improved memory management on rotated screen (33179)
- Improved rotated monitor performance on dual GPU machines (33072)
- DL-41xx: improved firmware flashing experience which could hang in some products (33060)
- Fixed app crashes at startup (33222)

D. Supported operating systems
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The DisplayLink macOS application can be installed on Apple Mac computers running OS version:
 - macOS Big Sur 11
 - macOS Monterey 12

Older versions of our drivers are available from our website:
https://www.synaptics.com/products/displaylink-graphics/downloads/macos


E. Language support
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The DisplayLink macOS application is only available in English.


F. Supported hardware
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DisplayLink IC series supported:
- DL-6xxx
- DL-5xxx
- DL-41xx
- DL-3xxx
- DL-1x5


G. Operating system limitations
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Protected content from iTunes and other players is not visible on built-in graphics when DisplayLink screens are connected. (17087)

The list of available resolutions and the default resolution for 4K displays depends on the type of connection (HDMI or DisplayPort). To see a more complete list of resolutions follow these steps:
- Open the Displays preference in System Preferences
- Go to the preferences panel for the DisplayLink screen
- While keeping the option (alt) key pressed, select the "Scaled" option for the list of resolutions.

Manual Ethernet speed setting is not retained across reboots. (20973)


H. Known issues and limitations
===============================

- An updated list of troubleshooting suggestions is available at http://support.displaylink.com/knowledgebase/topics/80209
- It is not possible to unlock the MacBook via Apple Watch when screen saver is running/enabled
- Some resolutions, especially HiDPI/ Retina ones, may be missing on Apple M1 based Macs (29526)