Best for capturing multiple audio/subtitle tracks from a URL. Physical Media
Add --audio-multistreams to keep every available audio track (e.g., different languages or commentary). Download stream (3) mkv
Use --embed-subs and --sub-langs "all" to pack all available subtitle tracks directly into the file. Best for capturing multiple audio/subtitle tracks from a URL
I can provide the exact command or steps for your specific situation. [Now released] Restore MKV Format Support - Adobe Community Download stream (3) mkv