Does it need to use Unreal Engine 5 or Unreal Engine 4 is fine for submit Epic MegaGrants?

I use Unreal Engine 4.27 to develop my project and i want to submit Epic MegaGrants and i want to know that it’s need to use Unreal Engine 5 to submit Epic MegaGrants or not.

Yes. If your project is built in another engine or toolset and you want to move it to Unreal Engine, you are eligible to apply for an Epic MegaGrant. If you want to develop a project that enhances open source 3D content creation, whether or not it integrates with or relates to Unreal Engine, you are also eligible.