Not audio related, but certainly of interest for (potential) buyers...
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AV-Receiver: HDMI 2.1 Bug macht Probleme mit Xbox Series X & RTX 3000
AV receiver: HDMI 2.1 bug causes problems with Xbox Series X & RTX 3000
[Google translated]
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AV-Receiver: HDMI 2.1 Bug macht Probleme mit Xbox Series X & RTX 3000
AV receiver: HDMI 2.1 bug causes problems with Xbox Series X & RTX 3000
[Google translated]