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Learn about the one-year progress update on Schemacs (formerly Gypsum), a project aimed at reimplementing Emacs using Scheme, in this 23-minute conference talk from EmacsConf 2025. Explore the project's scope and understand how it differs from Robin Templeton's Guile-Emacs initiative, then discover the significant progress made over the past year including the development of a portable React-like GUI framework. Watch a live demonstration of the current implementation and examine additional changes that have been incorporated into the project. Investigate support for various Scheme implementations beyond the primary focus, delve into the technical details of the GUI framework architecture, and gain insights into the future direction of this ambitious effort to modernize Emacs through functional programming principles.
Syllabus
02:07 The scope of the project
04:24 Difference with Robin Templeton's project Guile-Emacs
05:49 Progress made since last year
07:28 Portable React-like GUI
09:06 Demo
11:48 Additional changes
14:12 Other Scheme implementations
17:06 GUI framework
21:51 Wrapping up
Taught by
EmacsConf and Emacs hangouts