Hi, and thank you for the screenshot! Cauldron indicates that a connection issue while signing in. Please check that your game version and that your internet connection is stable. Testing with a wired connection is preferred. Log out and log back in if the issues persist. ^AG
Okay. Please write to our Marketplace team at aka.ms/Minecraft-Support so we can assist you further. Please include a detailed explanation of the problem and a screenshot of the issue you're facing when submitting. ^AG
This usually means the account you're signing in with doesn't contain a copy of Minecraft. Can you try signing in with any other Microsoft accounts that you may have used when creating/migrating your account? Let us know if you're still running into any issues! ^FF
The Minecraft Unified Launcher can be thought of as macOS's "default Minecraft launcher," for now. It is the launcher designed to work for Windows, macOS, and supported Linux distros. ^AG
Hey there! There don't appear to be any issues with Realms, today. Have you tried switching to another wireless network or testing with a wired connection? ^AG
Minecraft Support agents have the final say in cases that they review and cannot be appealed here. If you have other questions about Minecraft, please let us know. ^AG
Hey there! This issue can be a result of lag due to an unstable connection. Does the issue persist while using another wireless network or a wired connection? ^AG
The Minecraft Launcher is only available for Windows 10 and 11. Since it looks like you're using MacOS, you can definitely still use the Minecraft Unified Launcher (or Legacy Launcher). ^FF
In that case, please complete our request form at aka.ms/Minecraft-Support so that one of our Technical specialists can look further into this issue for you. ^FF