You already have created this Thread. Good. I planed to do that, too to collect Impressions, Experiences and Issues centralized in one Thread to not have it splitted into several Threads. Thank You.
Because of the Taskbar Thing: You can do that. You have in the Taskbar Settings the Option for Setting the Border Radius and under that You have a Settings for the ''Margin''. When You set that to 0, You should see that the Taskbar goes to the Ground.