This patch is only compatible with the German retail boxed version of the game. The game in the box without any installed patches has the version number 1.0; the patch updates the game to version 1.2. 

Changelog:

1.1, Stability improvements and additional language support
  - Added Chinese text and voice-over localization
  - Added Polish voice-over localization
  - Added Greek text localization
  - Fixed some echo and other effects being missing on voice-overs in certain situations
  - Fixed some hotspot texts not being displayed
  - Fixed the cursor being able to move under the letterboxing
  - Fixed hotspots being detected and names being displayed outside the game view
  - Fixed subtitles being displayed outside the game view
  - Fixed subtitles not being scaled properly on some resolutions
  - Fixed various situations, in which fast, consecutive hotspot interactions would cause the game to be unresponsive
  - Fixed music being played back multiple times when suspending and resuming the game
  - Fixed a crash when rapidly changing scenes
  - Fixed Japanese, Chinese and Korean text not being displayed in tutorial windows
  - Fixed various errors in text localizations

1.2, Improved controller support, resolution support and stability
  - Changed the start screen to now switch to controller input when a controller button is pressed
  - Fixed an issue where savegames could become corrupted after the baloon crash
  - Fixed subtitles not being displayed in 4k resolutions
  - Fixed some platform and driver issues causing the game to crash on Linux
  - Fixed text scaling when changing the resolution in-game
  - Fixed Galaxy achivements when no internet connection is available
  - Fixed a few sounds, that did not adhere to the volume settings