All encoders that support 10-bit encoding are also capable of HDR10 encoding. The follow encoders support higher than 8-bit.
|Apple Video Toolbox|
HandBrake will automatically passthru mastering display metadata and content light metadata from the source video to to final encode. For x265 encodings, HandBrake will also set the hdr-opt flag for you.
HandBrake will only handle HDR10 metadata. HDR10+ and Dolby Vision is currently not supported.