Feature request: use popup window to display commit info in :Git blame split

The idea is when you move cursor to commit hash in the Blame window, or hover it with mouse - a popup window shows up with the commit details (the message, etc.):
https://vimhelp.org/popup.txt.html
https://vi.stackexchange.com/questions/24462/what-are-the-new-popup-windows-in-vim-8-2