The latest version of .NET is now out and available to download along with Visual Studio 2026. The update to .NET 10 adds significant performance improvements including things like automatic use of AVX instructions where available, and a significant improvement in process startup time. There's also some language additions that make things more succinct.
It's a little early to upgrade production things, but I've already updated this website - I had to use pre-release versions of the Postgres EF naming conventions Nuget package as it's not yet compatible with version 10 yet, it looks like they hardcoded a max version number into the .NET 9 version. Hopefully I'm just a day early and they'll be out by the official release date.
The new version of Visual Studio 2026 looks really slick, it's quite a good incremental improvement with a lot of Copilot features, first party support for Podman and few good UI and debugging improvements - in particular showing the contents of parameter variables and if condition results at breakpoints without needing to manually dig into them.
I also see that Jetbrains are hoping to have an updated version of their IDE, Jetbrains Rider that's .NET 10 compatible out tomorrow too.
Permalink