Oh no, same here. My sympathies…
We will have to check regularly the issue link from Novezeil.
If it gets marked as fixed, we could get the latest update from GitHub. (Downloading Unreal Engine Source Code | Unreal Engine Documentation)
But a fix is unlikely during the holidays.
Using cross-platform ARCore as a possible alternative is out of question as that plugin is even more broken.
I am investigating Apples Reality Composer App and Unity to create AR Content. But this is nothing for a short term solution i guess.
Building AR Experiences with Reality Composer: Building AR Experiences with Reality Composer - WWDC19 - Videos - Apple Developer