Jellyfin transcoding DOVIWithHDR10Plus even though device supports it?

On my Firestick 4k Max, I have some issues playing DOVIWithHDR10Plus. They are being unnecessarily transcoded, anyone else have this issue? Video Title: 4K HEVC Dolby Vision Profile 8.1 (HDR10) Codec: HEVC Profile: Main 10 Level: 150 Resolution: 3832x1600 Aspect ratio: 2.40:1 Anamorphic: No Interlaced: No Framerate: 23.976025 Bitrate: 24799 kbps Bit depth: 10 bit Video range: HDR Video range type: DOVIWithHDR10Plus DV title: Dolby Vision Profile 8.1 (HDR10) DV version major: 1 DV version minor: 0 DV profile: 8 DV level: 6 DV rpu preset flag: 1 DV el preset flag: 0 DV bl preset flag: 1 DV bl signal compatibility id: 1 Color space: bt2020nc Color transfer: smpte2084 Color primaries: bt2020 Pixel format: yuv420p10le Ref frames: 1