Broken Sword 5 - the Serpent's Curse

Changelog for Patch 2.2 (added 14 April 2017):

To celebrate the 20th anniversary of George and Nico’s first adventures, we’ve made the following enhancements:

- Full Controller Support
- Additional animations and sound effects
- Unlockable Character Gallery feature
- Polish language (subtitles)
- Improved UI and menus
- Preloading optimisation
- Tap-to-continue speech option
- Numerous bug fixes

Broken Sword 4 - The Angel of Death (Secrets of the Ark)

Changelog for Version: 1.1 (added 19 October 2017):

-added stutter fix
-added Cloud Saves compatibility

What is that "stutter fix"? Does it fix anything critical? Is it worth downloading 1.5 GB again for that?

Unfortunately I just posted the changelog. No idea how this stutter fix should work and what exactly it does.