Recent updates to the OED
The OED is updated four times a year, every March, June, September, and December.
The material added to the dictionary includes revised versions of existing entries (which replace the older versions), and new words and senses both within the alphabetical sequence of revised entries and also across the whole A to Z range.
Published quarterly since 2000, the updates make up the Third Edition of the OED.
September 2013 update
The September update completes the revision of the pronoun entries in the OED with he, she, it and they; changes seen include the use of it adjectivally for “fashionable”, as in It Girl. Two clusters that have been revised include great and grey, continuing the colour word theme seen in recent updates.
You can read more about the revisions and new words in the September 2013 update in this article by the Chief Editor of the OED, John Simpson (his last before retiring in October).
See a full list of the new words, subentries, and senses added in this update.
The OED publishes four updates a year. The next update will be added to the dictionary in December 2013.
The previous updates page gives a full list of updates from March 2000 to March 2013.