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Adding JVM Arguments to Technic Modpacks?


KR1dude

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Hey, guys! I'm having a bit of trouble here with the Tekkit launcher. So, I develop modpacks using the default minecraft launcher with my own settings and tweaks within the JVM arguments and such to get the best performance. My only problem is: I don't know how to add JVM arguments into the technic launcher. I know it has to be in a file called "version.json" but I don't know what exact things/parameters I need to put in before I put it all of my arguments. Thanks for reading.

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The modpack.jar file in the bin folder is just a ZIP format archive. Rename it to "modpack.jar.zip", open it with your preferred ZIP archive program and pull out the version.json file. The top of the file has a line with a few parameters. Simply add/change the ones you want with your text editor of choice and then drag the file back into the modpack.jar.zip archive. Rename the file back to modpack.jar and you are good to go.

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