Hey ,
This has been brought up before and comes down to being a request for a new animation set and model. The character model is meant to only be there very temporarily and be replaced with your own character, so it wasn’t meant to affect development. It may happen one day that Epic does pursue creating a new default mesh, but as of right now there are no plans that I’m aware of. If this is something that the community seems to need to help with development, we’re open to hearing feedback.
Please check out the following character packs for female models if you require a replacement now. The pack is free and can easily be just brought into a newer project: