[Playback] Embedded PGS Subtitles dont work on the desktop client for me

[finneus]

Moonfin version

2.0.1

Platform

Windows

OS version

Windows 11 Pro Version 25H2 build 26200.8457

Device model

Desktop PC

Input method

Mouse / trackpad

Server type and version

Jellyfin 10.11.11

Content type

Movie

Media details (as much as you know, check the info button at the bottom right of the player)

The Fast And The Furious (2001)
MKV Container created with makeMKV and slimmed down with Handbrake
Titel: 4K HEVC HDR
Codec: HEVC
AVC: No
Profil: Main 10
Level: 153
Auflösung: 3840x1632
Seitenverhältnis: 2.35:1
Anamorph: No
Zeilensprungverfahren: No
Bildrate: 23.976025
Bitrate: 5453 kbps
Bittiefe: 10 bit
Videobereich: HDR
Video-Dynamikumfang: HDR10
Farbraum: bt2020nc
Farbübertragung: smpte2084
Primärfarben: bt2020
Pixelformat: yuv420p10le
Referenz-Frames: 1

Playback path

Direct Play

Symptoms (check all that apply)

• Black screen / endless spinner
• Audio only (no video)
• Stuttering / frame drops
• A/V sync issues
• Seeking/scrubbing broken
• Subtitles missing or incorrect
• Unexpected forced transcode
• App crashes / exits

Steps to reproduce

1. I open the Desktop client go to collections choose the Fast and The Furious collection.
2. i play the first movie and skip to a part where they speak
3. i choose different subtitles but non of the embedded ones work

Frequency

Always

Logs / errors (optional)

I dont know what logs would help im kinda new to this.

On the web client jellyfin-ip/moonfin/web it works fine with the embedded subtitles and so does it with the Faldder Desktop client.