Download from https://libraries.minecraft.net/net/java/dev/jna/jna/4.4.0/jna-4.4.0.jar had invalid checksum! Expected: cb208278274bf12ebdb56c61bd7407e6f774d65a got: 709812c309e7bd28c63825ff5b77c121d05051aa
11:11:07.087
Unable to download https://libraries.minecraft.net/net/java/dev/jna/jna/4.4.0/jna-4.4.0.jar to

Steps to reproduce:
Select a version of the game in twitch/vanilla forge you haven't selected before
Select 1.7.10, or 1.12.2
Launch with forge
Notice it no longer fetches the libraries from the json file

Many many library errors are happening like this across minecraft versions. It's not just this library specifically