HDMI version 2.2 adds support for bandwidth of up to 96Gbps
Briefly

The big upgrade for HDMI 2.2 is its support for bandwidths of up to 96Gbps, enabling higher refresh rates and resolutions for better content display.
The HDMI Forum is introducing Ultra96 HDMI branded cables with a certification process to help consumers identify compatible HDMI cords more effectively.
Next-gen Fixed Rate Link signaling technology supports uncompressed content at 4K60 resolutions and above, enhancing the overall audio and video experience.
The inclusion of a new Latency Indication Protocol (LIP) aims to improve audio and data synchronization, especially in multi-device setups.
Read at Engadget
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