So far there is no official word from C4eva about Updating to the latest dash ( 2.0.16756.0 ) with LT3.0
The update was mainly to remove the apps paywall, which means you will now have access to a bunch of free apps on the Xbox 360, more details here:
I have tested the following Xbox 360 drives on LT3.0 and can confirm they are working fine on the latest update, however as always you should always proceed with caution, there is always the risk on being banned from Xbox Live.
Tested and confirmed drives so far:
These drives have been confirmed as working, if you have updated your drive please post here to add to the list.