MultiMC5

By now you’ve probably heard the news that Mojang is migrating everyone’s Minecraft accounts to Microsoft accounts. The date when Mojang accounts will stop working is around the corner now - it is the 10th of March, 4 days from now. You can read ... [More] about it on the Minecraft website and this page. To go through the migration: Go to https://www.minecraft.net Log in with your Mojang account You should see something similar to this: Click the big green button and follow the instructions. [Less]

Hello, you may have seen all kinds of chaos and misunderstanding related to a security bug in log4j that can allow attackers to run code on your machine. All versions of the game that use an unpatched or old version of the log4j library are ... [More] susceptible to attacks - if you are running a server, or are connecting to one. Single player should be safe. Fixes in MultiMC MultiMC has a system to automatically update game and mod loader versions. [Less]

Hello, you may have seen all kinds of chaos and misunderstanding related to a security bug in log4j that can allow attackers to run code on your machine. All versions of the game that use an unpatched or old version of the log4j library are ... [More] susceptible to attacks - if you are running a server, or are connecting to one. Single player should be safe. NOTE: log4j has been further updated to 2. [Less]

This further refines Microsoft account support, along with small fixes related to modpack platforms and Java runtime detection. It’s also been 10 years since the first release of MultiMC. All background cats are now ready to party! What comes next ... [More] , in no particular order: Complete rework of Java runtime management. With the release of 1.18, the game now requires even more different versions of the JRE, and a solution is required. [Less]

This release brings initial support for Microsoft accounts, along with a nice pile of modpack platform changes and improved Java runtime detection. What comes next: Bug fixes for Microsoft authentication (broken offline play, overzealous token ... [More] refreshing, etc.). Fixes for the current issues with Forge 1.17.x and newer. Complete rework of Java runtime management. The game now requires different versions of the JRE and our current approach no longer works. [Less]

After roughly one year of maintenance and development work by various contributors, we’re just calling it a good time to release. What got added since the last time? Quite a bit! But in general, this is more of a spring cleaning before the major ... [More] changes that we need to make come in. What comes next after this: Rework of the account system to add support for Microsoft accounts Rework of the Mojang accounts to allow them to co-exist with Microsoft accounts General fixes to dealing with account state and skins – currently, we use a third party service to fetch skins and we only do it on application start. [Less]

By now you’ve probably heard the news that Mojang will be migrating everyone’s Minecraft accounts to Microsoft accounts. If you haven’t, please read their announcement here, and then come back to read this article. With this new change, the game’s ... [More] login system will change significantly, and a lot of people are understandably concerned about what this means for the future of MultiMC, so we are making this post to hopefully put your minds at ease. [Less]

You may have noticed MultiMC currently doesn’t allow you to install Forge on Minecraft versions newer than 1.13. Unfortunately, Forge has added significant complications to their install process in their update to 1.13, which MultiMC can’t currently ... [More] handle. In order to install Forge now, we have to replicate this complicated process in MultiMC, and maintain it so that it stays up to date with whatever changes Forge makes. Some people have suggested that we simply have MultiMC run the Forge installer in the background whenever you click “Install Forge”. [Less]

The previous release introduced some extra buttons that made the instance window way too big for some displays. This release is aimed at fixing that, along with other UI and performance improvements. There are some accessibility fixes thrown in too. ... [More] But along with those, we are also disabling the metadata server that older versions of MultiMC depend on. This means that older versions will not work. This is a much needed change, because the encryption on that domain (v1. [Less]

Finalizing the translation workflow improvements and adding fixes for sounds missing in old game versions. New or changed features UI for the language settings has been unified across the application GH-2209: Sounds in old (pre-1.6) versions should ... [More] now work again The launcher now downloads the correct assets and reconstructs the resources folder inside instances. This mirrors the same fix implemented in vanilla. Also, a minor issue with the reconstruction being done twice per launch has been fixed. [Less]