In the launcher, go into launch options and create a new profile. Call it whatever you want and enable JVM Arguments. In the text box that highlights type in the following text at the end:-Djava.net.preferIPv4Stack=true. Mac is simply using iPv6 instead of iPv4 to try to connect to LAN worlds.

Minecraft is a great game. And with the popularity comes teeny-weeny problems. A recent issue with Minecraft launcher has spawned discussion amongst the Mac users.
Problem With Minecraft Launcher on OSX
You can download the Minecraft launcher for Mac OSX from the official Minecraft website. But, as most of you gamers may already know, the launcher doesn’t work.

Download Minecraft here: Please Subscribe, drop a like, and leave a comment. Is the unified launcher also on mac and linux? Players on Mac and Linux are automatically updated to the latest launcher whenever it’s started up. Unfortunately, Minecraft Dungeons is not available for Mac or Linux devices. Mac users interested in Minecraft launcher mac 10.4 generally download: Minecraft 1.12 Minecraft is a game about placing blocks to build anything you can imagine. Although I did have Minecraft working on multiple user accounts on a MacBook Pro running 10.10.5.before. updating to the new Mac launcher for Minecraft. After I updated to the new Minecraft launcher this morning, I started having this issue. I agree with your hunch that this is likely a bug in the new Minecraft launcher for Mac.

When you open the Minecraft launcher, the icon constantly jumps on the Mac dock for a few seconds and then disappears. In other words, you can’t connect to Minecraft with the launcher. The fix is simple.
How to Fix Minecraft Launcher Problem
Whether you have Windows or Mac, the first thing to do when you are not able to connect to Minecraft is to check whether Minecraft.net is down. Also, double check that your PC is connected to the Internet.


Cracked Minecraft Launcher For Mac
But if the problem is not with the Internet connection and is with the Minecraft launcher on your Mac, then we have a widely known yet simple solution: update Java.
But wait, there’s another concrete, sure-fire solution posted on Reddit. All you Mac users who want to fix the persisting problem with Minecraft launcher should download this file:
Click here to download.
This .DMG file upon installation will bring back Minecraft launcher that is not buggy (with a new icon) and help you connect to Minecraft on your Mac OSX Lion and Snow Leopard.
Related:Post Facebook Status Via Minecraft.