Talk about a coincidence! That's good news because I'm having problems with them. The usual conflicts between the package manager and the asset store. 6 of them precisely. It certainly drives me nuts. I tried a fresh empty project and managed to avoid this, but on updating the actual one that is close to completion, I do get them. Like: On the Asset Store I see the package's version is 3.4.4, but through the package manager it's 3.4.5 although there's no indication it's verified for Unity 2019.2.x. I'm wondering if 3rd party devs (like you) still require the Asset Store's package or if we can do without it entirely and solely rely on the package manager's content in Library / PackageCache / etc. Is there a way to switch OFF the 3rd party / Advertisement system?