Garbage collection in .Net 4.0

Question

Is there any change in .Net 4.0 garbage collector execution?

Answer 1

Here's a blog posting:

http://geekswithblogs.net/sdorman/archive/2008/11/07/clr-4.0-garbage-collection-changes.aspx

and

http://www.infoq.com/news/2009/06/Background-Collector

Answer 2

There is also AppDomainResourceManager feature, which allows you to track resource usage ( Memory and CPU ) per appdomain. the GC part of this feature is the ability to get per appdomain memory tracking.

Answer 3

There's also an ephemeron implemenation using a new class called System.Runtime.CompilerServices.ConditionalWeakTable which is detailed here.

This is useful for collecting dynamic languages which allow setting arbitary "properties" on arbitrary instances.