Basics to the Art of Remuxing

Method #1 (eac3to)
https://rentry.org/qq5t9
Method #2 (MKVToolNix)
https://rentry.org/cvcsw
Method #3 (MakeMKV)
https://rentry.org/vrunb

How to Disable Zlib Compression on a PGS Subtitles (One of the Essentials)
https://rentry.org/n7ggz

How to tonemap PGS subtitles for HDR contents (4K Blu-ray) (Advanced Topic)
https://rentry.org/yv8v8

Please note to understand each method, you must read them in order.
Guides made by FlightReacts