Under Preferences > Subtitles
the texts: "Default subtitle" and "Default subtitle language".
Further the (internal) versionnumber is still indicated as 814 if checking properties in Windows.
(I meanwhile rolled back to 814 for the time being as it appears that whenever I've opened build 815 (either Pro or Free) my system (Win-Me) "hangs" during next start-up (in an empty desktop) so that I have to boot-up again and do a system restore).