Can include characters, numbers, punctuation, and whitespace A profile structure is explained in the table below: Profiles are saved in a map in the profiles section. The fail count for analytics Ĭontains the UUID-hashed account and the UUID of the currently selected userĮvery Map structure will be explained in its own section below.
Those are used locally by the launcher for managing and tracking sessions Every account in this key contains a UUID-hashed map (which is used to save the selected user) which in turn includes the access token, e-mail, and a profile (which contains the account display name)Ĭontains the current launcher build name, format and profiles format. The main JSON keys are explained in the figure below.Īll the launcher profiles and their configurations.Īll the logged in accounts. Incidentally, if what you're trying to do is get Minecraft to use an M1-optimized build of Java for better performance, the instructions in this tutorial worked great for me.Launcher_profiles.json uses JSON structures to save and retrieve data. If you have a hard time finding the runtime, just launch Minecraft (the game itself, not just the launcher), then in the macOS dock, find the "java" icon in the Dock (the list of icons which usually runs horizontally at the bottom of the screen - try using Command-Tab to switch to the Finder and then move your pointer all the way to the bottom of the screen if you don't see it), and Control-Click (or right-click) it and select "Options > Show in Finder" from the contextual menu that appears. The Library directory is hidden by default by Finder to help users avoid making changes which could break their programs, but you can get to it by selecting "Go > Go to Folder…" from the Finder's menu bar and entering "~/Library" in the box that appears.
Where ~ is the user account's home directory. ~/Library/Application Support/minecraft/runtime/java-runtime-beta/mac-os/java-runtime-beta/jre.bundle/Contents/Home/bin/java Instead, when you first run it, it downloads its own copy of the Java runtime. Minecraft does not by default use any externally-installed Java installation on Mac.
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