sandbox solutions are deprecated in SharePoint 2013 ?

This blog will talk about why and what exactly is deprecated for sandbox solution in SharePoint 2013

Why

Sandbox solution had many disadvantages and if we see our SharePoint 2010 development we hardly looked sandbox solution as solution for most of our requirements

Few disadvantages of sandbox solutions:

1. Limited access to object model
2. Learning curve to understand the sandbox architecture
3. Not easy to create proxy for full trusted code.

What

Many blogs says sandbox solution are deprecated yes its true but not completely

Sandbox solution containing only declarative things (like Web Templates and Design )

are still supported and not deprecated and sandbox solutions containing code is deprecated.

so if your solution doesn’t have code…consider the sandbox as solution.

Reference : http://blogs.msdn.com/b/richard_dizeregas_blog/archive/2013/08/01/sharepoint-sandbox-isn-t-dead-usercode-is.aspx