Now that I’m out of graduate school and working a real job, I rarely have time to work on my plugins. Apologies. I’ve even tried to pass on development of my plugins to others, and have had a handful of qualified volunteers step up. But today I found the time to rewrite the KB Advanced RSS widget (by far my most popular plugin), so I’ll place those volunteers’ names in a file and maintain development of the plugin for a while yet.
Punchline: The plugin has been updated (finally). I hope that the update solves the major problems.
The source of the problems: Turns out that in WP 2.8 they introduced some major changes into the way plugin authors need to interact with the widgets code. Those changes forced me to rewrite the entire plugin.
This was not a very friendly thing for the WP developers to do to plugin devs like me, but whatever.
Before upgrading to v2.8 of the plugin, read this: Because the WordPress developers dramatically re-wrote the widgets API in WP 2.8, I had to rewrite this plugin completely. Updating to v2.8 of the plugin will correct many annoying bugs. But, alas, it will also (most likely) cause you to lose all the options you may have set in a previous version of this plugin. Sorry. I don’t foresee this happening more than once.