I think I see it at the start of script.dat. first 8 bytes are 4 16 bit integers representing the version.

ex: 02 00 00 00 0f 00 04 00
= 2 0 15 4
= 2.0.15-4

there are similar bytes in level-init.dat but they would give 2.0.7.0.

(note I can't guarantee the meaning of the values. ie: it is not ...

Hello, I'm working on dockerizing a Factorio map renderer that can accept map saves from any version. However, I'm currently stuck on how to retrieve the version information from a map save file.