[BUG] Demon Dash
Suggested fix (unconfirmed): Take one or two steps on solid ground before trying to dash again. Ensure you fully reset your jumps and dash on actual ground rather than slightly touching surfaces.

5 fixes · 2 how-to answers · Steam discussions
Suggested fix (unconfirmed): Take one or two steps on solid ground before trying to dash again. Ensure you fully reset your jumps and dash on actual ground rather than slightly touching surfaces.
Suggested fix (unconfirmed): Read NPC dialogs for hints on
Suggested fix (unconfirmed): Search the yellow part of Club Demon to find the missing key.
No confirmed fix yet. Players suggest: the artist does drawing streams on youtube you could try asking there
Everytime I boot the game I get a white screen. I've tried validating files and I saw the Unity logo then it went back to the white screen.
No confirmed fix yet. Players suggest: The glitch has been fixed since patch 3 came out.
Suggested fix (unconfirmed): Hold down your ranged attack button until it charges, then press your melee attack button to use the equipped item.