[maccard]

> You wouldn't be able to freely share your modifications for instance.

Have you read the unreal engine license agreement? [0]. Section 3.a covers modifications

[0] https://www.unrealengine.com/en-US/eula/unreal

[dcow]

Section 3.a covers products you’ve made with the licensed technology. I don’t see any language about modifications to the licensed technology.

Edit: I see some language covering this further up.

[maccard]

I used to work for Epic so I have some inside knowledge, but modifying the engine and sharing it with other licensees (via the UDN forum usually) Its actively encouraged too.