Upgrade projects with .NET Upgrade Assistanthttps://learn.microsoft.com/en-us/dotnet/core/porting/upgrade-assistant-how-to-upgrade
What is .NET Upgrade Assistant?https://learn.microsoft.com/en-us/dotnet/core/porting/upgrade-assistant-overview
Плагины
Плагин VisualStudio. .NET Upgrade Assistanthttps://marketplace.visualstudio.com/items?itemName=ms-dotnettools.upgradeassistant