Larian Studios Forums Baldur's Gate III Baldur's Gate III - Technical & Gameplay Problems Game launcher closes immediately after opening

I know how you feel, but it's about as official as it gets (until Larian patches).
The library in question is not from Larian, but rather consumed by them and subsequently redistributed with BG3.
The package I linked is from the official Nuget repository, which of course may not mean anything to you if you are not into programming, but it's the, most official release of CEF that I could find.