Some of the enhancements of ASP.NET 4.5.2 include better ability to schedule async work items, better control over http headers, and debugging improvements.
This update is an in-place update so we did not rush pushing it out. Experience has taught us that in-place updates can be disruptive to some customers despite Microsoft assurances of backward compatibility. In fact to be on the safe side, when we updated to .NET 4.5.1, we only updated our Windows 2012 platform, leaving our Windows 2008 R2 platform at .NET 4.0, so that we could move customers should any unforeseen issues arise from the update.
However, updating our entire hosting platform to .NET 4.5.2 is now important because Microsoft announced that they will be deprecating .NET 4 – ,NET 4.5.1 in early January 2016. In the future, Microsoft intends to only support the latest few frameworks.
At the end of February, we updated our Everleap cloud hosting platform to .NET 4.5.2 and we did not encounter any issues, so we scheduled the update for DiscountASP.NET at the end of March during the usual maintenance window. You can now enjoy the latest Microsoft web stack. Of course, if you do notice any issues, please contact us right away.