TurboWarp is a Scratch mod with a compiler to run projects faster, dark mode for your eyes, a bunch of addons to improve the editor, and more.
You can also use TurboWarp in your browser at https://turbowarp.org/editor
TurboWarp is not affiliated with Scratch, the Scratch Team, or the Scratch Foundation. Learn more at https://desktop.turbowarp.org/
Source code is available at https://github.com/TurboWarp/desktop
Project shown in screenshots is https://scratch.mit.edu/projects/425020125/