MongoDB-LinqV3-issue.cs

using MongoDB.Driver;
using MongoDB.Driver.Linq;

var filter = Builders<Document>.Filter.Gt(v => v.S, 1);
var settings = MongoClientSettings.FromConnectionString("mongodb://localhost:27017");
foreach (var provider in Enum.GetValues<LinqProvider>())
{
    settings.LinqProvider = provider;
    Console.Write($"Provider {provider}: ");
    try
    {
        new MongoClient(settings)
            .GetDatabase("test")
            .GetCollection<Document>("test")
            .Find(filter)
            .FirstOrDefault();
    }
    catch (Exception exception)
    {
        Console.WriteLine(exception.Message);
        continue;
    }

    Console.WriteLine("success");
}

record struct UserType(int Value)
{
    public static implicit operator int(UserType self) => self.Value;
}

record Document(UserType S);