Just bought a MacBook Pro 2020 13 inch M1 and this adapter does everything it's supposed to do and haven't had any issues with working ports. I tested it on my 4k Sony TV to see if there would be any issues and it worked great in 4k. The only problem I have is with my 2k monitor, it's also probably an Apple issue and not an adapter issue. Now it doesn't looks like I can get 2560x1440 to work, this scales to 1920x1080. Update: tried this on my Dell and same problem with 2560x1440. When I connect HDMI directly it works OK, but when connected via Thunderbolt, same problem.
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