The following known bugs have been fixed:
1. Fixed a Bug where excessive superposition of skill buffs occupied system memory, causing the game to crash and the card owner.
2. Fixed a Bug where the compositing room was not functioning correctly.
3. Fixed a Bug where some Boss level characters changed incorrectly.
4. Adjust and repair other problems, etc.
0.9.9.1 Patch (synchronized to Demo)
Source: Steam Community (opens in a new tab)