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Documentation Changes:
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Documentation Changes Summary:

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1. What would you like to communicate to the user about this feature?
2. Would you like the user to see examples of the syntax and/or executable code and its output?
3. Which versions of the driver/connector does this apply to?

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1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

1) List<PartyUser> users1 = userRepository.GetList(c => c.Roles.Any(r => r == UserRoles.Admin));

2) List<PartyUser> users2 = userRepository.GetList(c => c.Roles.Any(r => r == UserRoles.Admin || r == UserRoles.Editor));

First line returns 3 elements, but second line is 0, even it has wider filter and there a lot of documents with UserRoles.Editor.

public List<T> GetList(Expression<Func<T, bool>> where)

{ return Db.GetCollection<T>(CollectionName).Find(where).ToList(); }

Where Db is IMongoDatabase

2.7.0 Beta1

is duplicated by

CSHARP-2574 $elemMatch query contains gaps when It's generated based on LINQ Any and predicate contains `DocumentExpression` as operand.

related to

SERVER-93020 $elemMatch not working as expected with $or