The WordPress development team have released version 2.9.1 to the public.
According to the release announcement:
"This release addresses a handful of minor issues as well as a rather annoying problem where scheduled posts and pingbacks are not processed correctly due to incompatibilities with some hosts."
You can download this latest release from their website.
Mike Johnston Author
Mike is the Editor-in-Chief and Founder of CMS Critic. He started CMS Critic in 2008 when he noticed there were no sites offering reviews of the various products in the industry. He has since grown the site to become the #1 resource on the web for CMS reviews and knowledge. He attends most CMS & related technology conferences and speaks regularly. You can contact him here or follow him on Google Plus.