Dive into the inner workings of Emacs core development in this comprehensive conference talk from EmacsConf 2023. Explore the processes, tools, and methodologies used by the Emacs development team as Stefan Kangas provides an in-depth look at how the iconic text editor evolves. Learn about the decision-making processes, contribution guidelines, and the collaborative efforts that shape Emacs' future. Gain valuable insights into the open-source development model and understand how you can potentially contribute to this long-standing project. This 1 hour and 45 minute presentation is a must-watch for Emacs enthusiasts, developers, and anyone interested in the mechanics of maintaining a complex, community-driven software project.