@TDS
Did some tests.
Result: With Keyframe cut all HDR tags are preserved, including the profile level.
With Frame accurate Cut this does not work, because a part is re-encoded, without the complete HDR command line with all parameters, which would have to be parsed first.
This is clearly too much work for me.
Therefore the conclusion: For HDR10 and HDR10Plus videos only Keyframe Cut works.
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