The fight between Apple and Epic is only picking up steam, and, according to Epic’s latest development, it looks like the collateral damage has begun.
Source: Gamasutra – Apple to revoke Epic’s dev tools, including those used for Unreal Engine
Edit/Fix: It’s not a rumor and Epic is already blocked from DevTools.
From Epic vs Apple :
Less than twelve hours later, Apple notified Epic it was terminating Epic from the Apple Developer Program, blocking all Epic products from distribution through Apple’s App Store.
Apple specifically stated it would terminate Epic’s access to development tools, including those necessary for Epic to keep offering the world’s most popular graphics engine, the Unreal Engine.
Source : https://cdn2.unrealengine.com/epic-v-apple-8-17-20-768927327.pdf