I've been using vim-airline on vim-8.0 and it displays tabs in the tabline and when I mouse left-click (with mouse input enabled) on filename on the far right hand side of the tabline the view switches to buffers (if I have enabled the option: let g:airline#extensions#tabline#show_buffers = 1).
But so far I can't seem to find a way to get back to tab view again? This may just be a standard vim tab navigation issue as even with show_buffers disabled when I click on the right hand side of the tabline I get stuck with viewing just that file.
A solution using the mouse would be preferable but a vim command would be fine too.