We are pleased to announce the release of GroupDocs.Search for .NET 18.1. Using the latest version, you can **cancel search operation **at runtime. Furthermore, you can search with a query in the form of object tree as a parameter, search with the **wildcard **in phrase search, use **ISO 8610 **date format in date range search, and use **collection **of date formats for range search. We would recommend you to enhance your applications using this latest version....We are pleased to announce the release of GroupDocs.Search for .NET 18.1. Using the latest version, you can **cancel search operation **at runtime. Furthermore, you can search with a query in the form of object tree as a parameter, search with the **wildcard **in phrase search, use **ISO 8610 **date format in date range search, and use **collection **of date formats for range search. We would recommend you to enhance your applications using this latest version.