dotInsights by JetBrains provides the latest updates and insights into the .NET and software development community, featuring highlights such as .NET 10 updates, new C# 14 features, and tools for improving coding practices. The newsletter advises caution with using explicit garbage collection in .NET due to potential performance drawbacks. It also offers tutorials on localization in .NET and shares news about JetBrains' latest releases, such as Rider 2025.3, which supports .NET 10 and C# 14, and improvements in ReSharper and ReSharper C++ for compatibility and performance. Additionally, the newsletter encourages community engagement through events like the F# Advent Calendar and offers a platform for feedback and discussion.