Matthysse

Oh ok, no problem. I just hope you can fix the problem with ArcLight, that would be awesome, because large modpacks with plugins would really benefit from lithium's improvement. Thanks...

Oh! That was fast ! I will try this later in the day, thanks !

Works perfectly on Arclight with Starlight, thanks a lot for all your support!!

Lithium crashes on client with this log: https://pastebin.com/CuGTe5Pm But that's not the most important, and I'm really glad that it works on server, it really improves the TPS! Weird thing...

No I wanted to say that the biomes are generated as oceans, for example on F3 in this weird ocean area there are a lot of biomes present like forests...

Wow the current mod list is veeerryy large and I don't have the world anymore. Sorry, but maybe it's a bug from ArcLight, try ArcLight, Terraforged, Biomes O Plenty and...

There is an incompatibility with charm: https://pastebin.com/xTnMd6Fk And nothing changes for me (no rendering of multipart and transparency): 

Multiparts work thanks! Transparent objects are still not transparent, and I'm on Fancy graphics, not fabulous. 

It is possible, and it works really great! I linked you a program that the french forge community made that is a modified version of the forge installer. Then this...

They have the source code on a github, don't know if it can help: https://github.com/FFMT/ModPackInstaller