Thanks for the end of Season notice

[Ráevelyn-argent-dawn]

It was announced here on the forums:

To Do Before War Within Pre-Expansion Update

Once The War Within pre-expansion update arrives, items, achievements, and customizations will fly off into the sun-kissed horizon. So, you’ll want to take some time to do the following before it’s too late: Dragonflight Season 4 Awakened Raids All current Dragonflight raids become Awakened, and obtaining the Renewed Proto-Drake: Embodiment of the Blazing and Renewed Proto-Drake: Embodiment of the Storm-Eater Dragonriding customizations will be more of a challenge. Mythic+ The Mythic+ leader…

The current season of PvP content will end at 10:00 pm PDT the night before maintenance in each region—July 22 at 10:00 pm PDT for NA / July 23 at 22:00 CEST for EU.

But i do agree that things like this should be announced in game or the launcher as not everyone visits the forums.