In our upcoming theme we are thinking about displaying a “Theme Update” notification in the WP Dashboard home screen at the top. It is already working now.
Buyers…what do you think about this? Also for customers who use these themes for clients would you want a way to deactivate this notification?
Just looking for a little feedback and trying to make updates easier.

Authors. Have you already done something similar?
Screen shot.. my image above disappeared..

Care to share the code for this neat update notification? 
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Assuming you’re checking a version number somewhere on a remote server and comparing it with the current version? If that’s the case be sure that if the server is unavailable for any reason the user can still use the backend normally 
OrganicBeeMedia said
http://clark-technet.com/2010/09/wordpress-theme-developers-tip-theme-update-noticifications
Yep.. that is the exact script.
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Just recently implemented something similar in my themes, checks against an XML file on my server:

Based it off some code Unisphere had graciously provided.
contempoinc said
Just recently implemented something similar in my themes:Based it off some code Unisphere had graciously provided.
This method looks way better.. mind sharing! 
What kind of feedback if any have you received from buyers?
Cool !
Chris, please please share 
Chris feel free to share the email and file I sent you with the Update Notifier code 
And by the way, it’s indeed checking a remote server but it’s caching its result in the DB and it only checks the remote server in a time frame you specify, in other words, if the remote server is down the WordPress backend isn’t affected 
