Squashed 'bundle/whiteboard/' changes from 1b36677..916b367

916b367 worked on virtual window

git-subtree-dir: bundle/whiteboard
git-subtree-split: 916b3670ad3812e85f5a5bddf9d2781273ac95c8
Merge commit '6bbedf10faae9c3e1941e762be83085211aa8621'