Can't maximise Minecraft window
I'm pretty sure this is caused by of 1.8 because you can maximize in other versions. The only way I have been able to fix it myself is restarting the game.
Make sure when you restart the game that in the menus your fullscreen is set to off. If not you'll get the same problem every time you restart.
- Open Launcher
- click "edit Profile" Button
- activate Checkbox "JVM Arguments"
- next to this checkbox remove the string "-XX:-UseAdaptiveSizePolicy"
- save Profile
- click "Play"
- ???
- Profit
...now the maximize button is enabled.