Railfan Taiwan High Speed Rail [BCAS20018]

Most of these libraries are automatically loaded, manual selection won't affect anything on those
The only real library you may need there is libvdec

That is correct, just tried with that single module and the behavior is the same. Oddly the intro movie hangs several seconds into it (video only, audio is fine), still skippable. - this is regardless of plugins selected mind you. Forgot to mention this on the original post...