When the launcher loads Minecraft, the icon in the icon tray at the bottom of the screen is the LWJGL default icon. Also, when you load Minecraft from the launcher and create a world, the display only shows in a small box on the bottom left of the screen. The rest of the window is blank.
Simplifying this ticket to the most prominent of the multiple bugs posted here. It is much easier for us to deal with bug reports when they contain only one bug. Feel free to create new ticket(s) with additional bugs.