This implements rewinding capabilities to the MB Web Port located here
Current release is hosted here

• Rewind support for marble, all collectibles, timer, shape animations, all hazards, gravity, moving platforms, teleports, checkpoint and blast.
• Rewind timescaling
• MBP/MBU/Touch support

Start a level, press and hold 'Left Shift' to rewind

To compile, run npm install --legacy-peer-deps, then npm run compile. For fast building after initial build, do npm run watch-fast.

Python 3 is required to run the server.
Install the requirements using pip install -r requirements.txt, then run the flask server by running run-flask.bat