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Are there any hooks for running plugin code after a core upgrade?

Specifically, I'm running into issues that a users wp-admin column choice in the 'Screen Options' are modified after an upgrade - I believe if they choose "auto". After doing an svn sw I lost my "publish" box from the post/pages page. This is causing some major issues in my wp-admin skin.

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up vote 1 down vote accepted

Check the filter update_feedback, he works after the update and you can use for all stuff after an update. An exmple plugin can you find in this trunk.

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