DivaSound is now included in PD Loader. If you use PD Loader you do not need to update DivaSound separately.
Version 2.6 consists of some ASIO backend improvements. It adds a driver reset handler for changing settings on-the-fly (without any restart), and when used with a up-to-date unstable version of PD Loader (the latest right now already includes DivaSound 2.6 btw) double tapping esc will always exit cleanly.