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Originally Posted by uncplayer23
This new macOS release only supports displays which are directly provided by a GPU or via AirPlay.
For this dock, this means versions of Apple macOS after 10.13.3 will only support the single 4K HDMI port on the dock which uses DisplayPort Over USB-C technology (which is directly GPU connected). The second and third displays on the dock -- the DVI and 2K HDMI ports using DisplayLink technology -- will no longer function
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Wow, this is huge! Did Apple just close the door for any DisplayLink technology for good? 
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1. DisplayLink software installs and acts like a normal display on the host. It detects monitors connected through a DisplayLink device and presents them to the operating system (for example Windows) as if they were normally attached monitors.
2. The OS then creates frame buffers for each display and the OS puts the display content there. <- Is that the part where 10.13.4 breaks the driver, since it's not a Thunderbolt 3 device?
3. The DisplayLink driver then picks up the pixels in the frame-buffer, encodes them and send them to the DisplayLink device.
4. The DisplayLink device then decodes these frame buffers and presents them to standard video interfaces like VGA, HDMI or DisplayPort. An on-board frame buffer means the DisplayLink driver only needs to send changes to the screen content. It can also adapt the compression so that the link is shared equitably with other services while maintaining high quality.
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MacBook 12-inch (Early 2016) • MacBook Pro 15-inch (2018) • HP Elite USB-C-Docking Station G2 (X7W54AA) • HP 3005PR • Dell Adapter USB-C HDMI/VGA/Ethernet (470-ABQN)
Last edited by Poly; 03-30-2018 at 08:27 PM.
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