What the heck is ironSource?

[atomicjoe]

This makes me worried. I have multiple Unity projects, and now I am wondering if I have to migrate to Unreal!

In my opinion, as I said on [the other thread]( Introducing Gigaya: Unity's upcoming sample game page-5#post-8283030):

Unity is now a shell of what it once was (or at least what it wanted to be).
I’m positive it will survive in a zombie-like state lots of years in the future and we will be able to use it to finish our projects or even start new ones, but it will never go back to the Unity engine so many of us fell in love with, because the people that made it in the first place aren’t even there and no one cares anymore.
The end will not be sudden but a slow and constant decrease of interest and new users over time.
We’ll have plenty of time to jump to another engine, but we’ll HAVE TO eventually.

Unity isn’t going to start having viruses, is it?

No. LOL
Don’t worry about that.

In the long run it could include some sort of ads or data harvesting thing on the free version of Unity though.