Emacs ibuffer live update

September 14, 2025 Inspired by a a recent post by The Emacs Cat about their ibuffer configuration, I was wondering why the ibuffer didn&rsquo;t update live as buffers were created and killed. With some help from Prot here is a way to hook into the relevant function in Emacs to update the ibuffer list any time the list of buffers changes. The real-time feedback makes managing a large number of…