Is ASP.NET Core 3.1 Ready for Prime Time/Production Web Apps or Not?

I've been working on a web portal using ASP.NET Core 3.1 and I keep running into weird errors between Identity and EF Core. I've gone through several complete rebuilds and tons of errors and problems. when I build little web apps or separate Identity and EF Core then everything works just dandy. But when I try to bring them all together in a rather large production web app all of a sudden weird bugs crop up. I've read that the Identity and EF Core teams work separately and sometimes there are problems between their releases...So I am wondering:

Is ASP.NET Core 3.1 not yet ready for prime time for building web apps?

Is there anyone here that is actually using it successfully in a production environment?

And if so, are there some tricks/suggestions for doing so?

Or should I use Core 2.2? Is that stable enough for production apps?

Thanks,

• Grant