Good read on the early history of JSON, and how it became the ubiquitous format it is today: https://twobithistory.org/2017/09/21/the-rise-and-rise-of-json.html
Related Posts
Bril is a cute intermediate language for teaching (think simplified LLVM IR): https://www.cs.cornell.edu/~asampson/blog/bril.html
The idea of providing a standard JSON format to help students write basic passes is really elegant.
In praise of Tcl, and reflecting on syntax features for a good command shell: https://yosefk.com/blog/i-cant-believe-im-praising-tcl.html
Some delightful examples of good compiler error messages in the latest Gleam release: https://gleam.run/news/context-aware-compilation/