The 5.1.0 release of GoldSim focuses on upgrades to backend dependencies, as well as a handful of business requests. Notably, this includes upgrading to C# 10 (52358dd, d8b36b7), ASP.NET Core 6.0 (96b6fd5), as well as OnTopic 5.2.0 (b2537a3). In terms of new features, this includes the introduction of reCaptcha v3 (098d6e1), a new FormController (640be65), and support for OnTopic 5.2.0's new AttributeDictionary constructor for view models (e50b674). For a full list of updates, see Pull Request #30.