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We are rewriting CodeMirror

codemirror.net Software & code Software projects Software engineering Candidate
Screenshot of codemirror.net captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 2 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2018–2021
peak thread · 83 comments
342 pts
latest 20+ return · 2021-02-05
218 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Oh hi, I'm Marijn, one of the maintainers. It doesn't look like this submission is going anywhere, but I'll keep an eye on the comments and respond to questions.

marijn·342-point thread·

One of the things I was hoping to see in this release was first-class LSP (language server protocol) support. VS Code's editor is actually available as a separate NPM package as Monaco[0], which is great because it means that you can trivially get LSP support. For example: https://sorbet.run ^ Sorbet (Ruby type checker) implements the LSP protocol and can be compiled to WASM. So by using Monaco in the browser, we get a playground that supports all the same features…

jez·218-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
561

reference only — not used in Hall rules or ranking

Total comments
156

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2018-08-28We are rewriting CodeMirrorFirst breakout · Best threadtobr34273
2021-01-14CodeMirror 6thesephist10
2021-02-05CodeMirror 6Latest 20+ point returngtirloni21883