Comment by cosmic_cheese

> Such as?

At minimum it uses ripgrep for file searching, which is written in Rust but I thought I read blog posts about other parts in the past.

> And Obsidian, and Discord, and Logseq, and Notion, and Figma, and Slack, and Postman, and Insomnia, and so on, and so.

Out of the mentions in that list I’ve used, only Obsidian feels comparatively responsive to VS Code. Notion and Slack in particular are slow and can get super bogged down. Discord and Figma sit somewhere in between.