Here are the entire patch notes since the author couldn’t bother to include the PC specific note:
Hotfix 1.06 is available on PC and consoles! Here is the full list of changes:
Dum Dum will no longer go missing from Totentanz entrance during Second Conflict.
Improved memory management and stability, resulting in fewer crashes.
Removed the 8 MB save file size limit. Note: this won’t fix save files corrupted before the update.