The anti-cheat software is being prepared for the platform, while a native client is already available as a preview.

This article goes more into how EAC for Linux is being altered. Basically EAC can run with ring 0 access on windows machines to prevent cheats, but on Linux it doesn’t have the same level of invasive access. This is better for user privacy, but also limits its ability to prevent cheating.

The upcoming EAC Linux v2 will fall into a middle ground between the two, and will require the kernel to be signed with a key Epic recognizes. The system will also have to have TPM 2.0 and secure boot enabled. I recommend reading the article for more details.