.NET 4.5.1 and Security Updates

I’d just like to add a quick little opinion piece on this very important announcement from the .NET framework team.

On Oct 16, 2013, the team announced that NuGet would be a release mechanism for the .NET framework. On that day, we should have all started holding our breath, getting prescriptions for Valium, or moving to Washington or Colorado (although technically that would not have helped until Jan 1).

A .NET framework release vehicle that is not tied to a security update mechanism? Excuse me? What did you say? Really? No? Are you serious?

Today’s announcement is that security update mechanism.

Obviously, this mechanism has been in the works and it was just a matter of getting everything tied and ready to go, which for various reasons took .NET 4.5.1.

So, there are now several really important points to make about .NET framework/CLR and its relation to NuGet

  • The concept of the “.NET Framework” is now a bit fuzzy. Did you notice I no longer capped the word “framework?” It’s been a couple years coming and a lot of background work (like PCL), but you have control over what “.NET framework” means in your application in a way that could never have been imagined by the framers of the Constitution.
  • The NuGet vehicle for delivering pieces of the framework/CLR supports a special Microsoft feed, PCL, and has already been used for really interesting things like TPL Dataflow and TraceEvent. It looks mature and ready from my vantage.
  • Gone are the days when NuGet was only pre-release play-at-your-peril software. Look for real stuff, important stuff, good stuff, stuff you want from the CLR/.NET framework team to be released on NuGet, as well as ongoing releases from other teams like ASP.NET and EF.
  • They’ve made some very important promises in today’s announcement. They must fulfill these promises (no breaking changes, period). We must hold their feet to the fire. In place upgrades are a special kind of hell, the alternative is worse, and even if you disagree on that point, this is the game we are playing.
  • Upgrade to .NET 4.5.1 as soon as your team feels it can. Please.

Thank you to the team for the incredible work of the last few years. Thank you. Thank you.

2 thoughts on “.NET 4.5.1 and Security Updates”

  1. Could you please explain why in-place upgrades are better than the alternative?

    I’m genuinely curios, thanks for the informative article.

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