From the blog ✍️ page 15

Everything Sitefinity 4, all in one big post. Get ready, it's a big change from v3.

One of the major issues with querying a webservice with the non-domain model approach to OpenAccess was that if you tried to return a list of objects directly you can't dispose of your scope

In sitefinity 3.x there are zero telerik skins which look normal in the backend, however it's super easy to skin them so they conform to the style and look native.

Modifying your controls with a new external template in Sitefinity 3.x

Sitefinity has removed it's free community edition and is now only offering a paid subscription option.

New control released that lets you set a background image on your ContentBlock

New control released that lets you set a background image on your ContentBlock

How to query your OpenAccess domain models with LinqPad...yes, it IS possible!

One of the reasons your page might be taking too long to load is the images are too large or not optimized for web; check this out.

Radcontrols 2010 Q2 has hit beta, lets dig in and see what's new