CURRENT STATUS RELEASED, Available on nuget.org
Code-First default values for EPiServer projects. Allows to define default values in EPiServer projects code using standard System.ComponentModel.DefaultValue attribute
[ContentType(AvailableInEditMode = false)]
public class ListBlock : BlockBase
{
// ... skipped ...
[Display(Order = 110, Name = "Page Size")]
[DefaultValue(10)]
public virtual int PageSize { get; set; }
}