The main feature is the separated management of applications and windows. Das heißt, ist das Hauptmerkmal der getrennte Verwaltung von Anwendungen und Fenster. The top left hot corner offers access to launching applications, while the top right one offers access to window management. More information, including the remaining list of limitations and problems, is available after the installation in ~/.local/share/gnome-shell/extensions/apps-and-wins/readme.txt
Note: Binary files aren't shown on the web site. To see all files, please download the extension zipfile.
Unfortunately, the diff against the previous version is not that relevant since big parts have been reworked. Sorry ... and sorry for the lack of comments ...
Apps and Wins