While PFM 5.2.4 was once the standard, the modding community has largely transitioned to . Developed in the Rust programming language, RPFM offers several "top" improvements over the older PFM 5.2.4:
RPFM was born as a complete reimagining of PFM, written from the ground up in the Rust programming language (and later ported to Qt5/Qt6). It keeps a similar interface to PFM for familiarity but offers a host of improvements:
[Boot Pack] ➔ [Shader Pack] ➔ [Release Data] ➔ [Official Patches] ➔ [User Mods]
If you use two mods that both edit the same table, you can use PFM to merge the changes into a single "patch" file, preventing the game from crashing. Modding Unit Sizes
I can explain the difference between a and a Mod pack.