Debug fabric.js javascript library issues on mobile devices, specifically iOS browsers -- 2

I am looking for a developer with experience in debugging fabric.js issues on mobile devices, specifically iOS browsers. The specific issue I am experiencing is that some objects are not rendering properly. Additionally, I am not sure if there are any additional functionalities or features that need to be implemented and I am open to suggestions.

Ideal Skills and Experience:
- Strong knowledge of Javascript, fabric.js library and mobile browser compatibility
- Experience in debugging canvas rendering issues on iOS
- Ability to suggest and implement additional functionalities or features as needed