Why'd I get this message in Sea Of Thieves?

I was pulling up to Marauder's Arch to do a Gold Hunter mission when I got this message on my screen.

The world is changing, new dangers there be

Between boundless sky and treacherous sea

On rolling waves with sails unfolded

Ships come to plunder this new world

Why did I get this and does it change anything? Nothing happened after this but awhile before I ran into the Megalondon. Don't know if that helps.

Solution 1:

Okay I figured it out. This message appears when there are too few players on a server. The game will then merge two servers together to make sure you're never the only player on a server.