No article about this update would be honest without acknowledging its failures. Even after applying WWE.2K18.Update.v1.07-CODEX, players reported:
If you own the game legally on Steam, this update will auto-download to v1.07 anyway. But for archivists who want a standalone installer that never phones home to 2K's defunct servers (the online mode is dead), WWE.2K18.Update.v1.07-CODEX is the definitive final version. WWE.2K18.Update.v1.07-CODEX
The "8-Man Tag Team" or "Royal Rumble" matches were the benchmark for performance. Before v1.07, even an Intel i7-7700k paired with a GTX 1080 would drop to 20 FPS. Post-patch, players reported a 15-20% frame rate increase specifically in these chaotic matches. It wasn't perfect, but it made ladder matches playable. No article about this update would be honest
While exact contents vary by patch, console/PC game updates at this stage commonly include: The "8-Man Tag Team" or "Royal Rumble" matches
If you want precise patch notes, check the official developer/publisher patch notes page or the game's platform update log.