Thanks to a recent change, plus signs are now allowed in titles. The most prominent article that was affected by this bug was C++, which had previously been located at C plus plus.

Server-related events, problems, and changes included:

• 3 January - "amane" rebooted at colocation center, fixed.
• 7 January - In response to a registration flood, a user throttle was added to the English Wikipedia. brion noted that CAPTCHAs or other confirmation devices may be used in the future.
• Various SSL certificates added and replaced.