In an interview with Icy Veins, Game Director Ion Hazzikostas confirmed that Dragonflight will have a Season 4, which will feature Fated Raids! In the interview, Game Director Ion Hazzikostas discussed details about World of Warcraft's upcoming expansion, The War Within, and questions regarding the near future of the current Dragonflight expansion.
Icy Veins BlizzCon Interview with Ion Hazzikostas BlizzCon WoW Deep Dive Panel Summary
In another interview with Warcraft Wiki during BlizzCon 2023, WoW's development team confirmed that Dragonflight will not get a Patch 10.3. In terms of a fourth season, however, extra seasonal assets have already been found by Wowhead back in September, hinting at a potential Season 4, which has now been confirmed by Hazzikostas — including the return of Fated Raids.
WoW's Game Director has also commented on Fyrakk's axe legendary, Classic Timewalking, and new systems coming with The War Within, such as Hero Talents and Delves.
Here is a quick summary of the Icy Veins interview: