You may need to install Java if you aren't using the Chrome Browser Extension version. Is it safe?
Launch the Shimeji. Right-click a wandering Rayman. If the menu includes an option that says "Feed Plum (Experimental)," you’re on the old version. If that text is grayed out with a tooltip reading "Plum glitch patched for stability," you’ve been updated. rayman shimeji patched
Original Rayman Shimeji builds did not account for varying monitor refresh rates or scaling (DPI). On a 4K monitor with 150% scaling, the "patched" behavior emerges because Rayman thinks the screen is 150% smaller than it is, causing him to glitch into the void. You may need to install Java if you
Navigate to the img directory of your old Rayman folder and copy the folder containing the Rayman sprites. Right-click a wandering Rayman