Set 11 is about Myths & Legends. It’s scheduled to go live with Patch 14.6 on March 20, 2024. PBE will be available two weeks earlier.

The dev team already has people working up to Set 16. Here’s the 2024 TFT Road map https://tinyurl.com/TFT2024-rm

Screenshot is from Mort’s Twitch stream https://twitch.tv/mortdog