- The existence of composition. Especially, the ability to perform advanced video editing by inserting compositions within compositions.
- The ability to add animations based on keyframes.
- Effects like chroma key and drop shadow.
- A caching mechanism to render the same frame quickly.
- Various blending modes.
These features, despite being standard in proprietary video editing software, were not present in previous Python libraries. Currently, I am using this library to automatically generate videos from raw materials. I would be grateful for any comments, thoughts, or requests.