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EnrichedOpen SourceHacker NewsCommunityLive · yesterdayPublished 7/2/2026

Show HN: Meow – The 4th and final JavaScript runtime and toolchain

Yes, I said final. Fight me in the comments. But seriously: there are basically exactly 3 serious JS runtimes in the world. (Now 4... or 1, idk). Why? Because the modern JS ecosystem is a fragmented, bloated nightmare. Node, pnpm, tsc, eslint, prettier, vite. Each spins up its ow

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This story from Hacker News is relevant to the Open Source branch of the AI ecosystem and may affect models, products, or research direction.

Technical breakdown

Yes, I said final. Fight me in the comments. But seriously: there are basically exactly 3 serious JS runtimes in the world. (Now 4... or 1, idk). Why? Because the modern JS ecosystem is a fragmented, bloated nightmare. Node, pnpm, tsc, eslint, prettier, vite. Each spins up its own V8 instance, parses your codebase from scratch, and leaves a graveyard of .json configs in your root directory. meow s

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