Release Notes: This release includes a lot of new features, improvements, and bugfixes. Among them, the most important one is OAuth support. Basic auth will be shut off at the end of this June. Currently, Web browsers are required for OAuth, but xAuth will be supported in the future. Usability was improved. It also added multi-timeline support, pop-up buffers for editing and posting tweets, asynchronous icon image retrieval, and more.
Release Notes: Twittering-mode adopted various features of Twitter, such as follow/remove, favorites, lists, direct messages. and so on. There are many improvements and bugfixes.