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Hi folks, if you haven’t heard already the newly polished version of WordPress was released today (It’s pure ninja magic!). If you haven’t upgraded already, you should. Here is the info on the new version.

I saw a few requests come in this morning for folks having permalink issues after upgrade. Now I am seeing similar issues being discussed on Twitter.

Here’s a quick post which outlines the steps I took to get this remedied for a few folks. If you upgraded, and now your pages or categories are giving you a 404, try the following:

Pages Returning 404’s

1. Log in to wp-admin and go to permalinks, click save (this should refresh your permalinks). Check to see if this fixes your permalinks. If not, set to default. 🙂
2. Disable your plugins to remove them out of the equation.
3. Log into your server via sFTP/SSH/FTP and find your .htaccess file. It should be located in the root of your WordPress install.
4. Pull the htaccess file down so that you have a local back up. Once you’ve pulled it down, go ahead and delete it from your server.
5. Go back to wp-admin and visit your permalinks page. try enabling custom permalinks.
6. This should remedy the issue and you can go ahead and reenable your plugins.

I also ran into a couple white screens of death, here’s how I got them working:

White Screen After Upgrade

If you run into the white screen of death when trying to log into wp-admin, try renaming your theme, then log in. Once you’re able to log in and update the database, rename the theme back to its original name.

The other thing you can try is uploading a fresh copy of WordPress onto your server. I know, I know, you just updated, why would you do that? Well, some servers are finicky, and some FTP clients don’t always play nice. In one instance today I fixed a white screen by simply re-uploading the /wp-admin directory. Done and done.

These tips worked well on a few troubled sites I encountered today. Hopefully you don’t see any issues, and are enjoying all the new goodness in 3.1.

Cheers!