Dreamfall Chapters has been updated to v5.3. This version:

Adds German subtitles for Book Five
Adds remastered English voice files for Books 1-4, fixing inconsistencies in volume and sound quality
Fixes an issue with the 32-bit version, where players could not connect to our online database
Fixes a problem with the settings that ignored player's visual effects preferences when switching cameras

French subtitles will arrive shortly with version 5.3.1.