This version brings for support for HTTP Strict Transport Security (RFC 6797). PolarSSL has been updated to the latest release and a bug in the Reverse Proxy, which could lead to slow data transfer, has been fixed.
The php-fcgi tool, which was marked deprecated in 8.6, has been removed. Use PHP's FPM instead.
Update: the deprecated php-fcgi tool has been made available via seperate download.