Minecraft Forums

so when i start up the new launcher (1.6+) I'm completely fine i don't freeze at all. but when i load up my favorite world I'm fine for about 10 seconds then it freezes and doesn't move for about 7 minutes i know it isn't lag cause when i did it i quick hit f3 so please help me! i have the latesnt version of java and my software is updated to the latest it can be by the way I'm on mac