Cruller: Bun's Zig Runtime, Continued on Zig 0.16

Re:Cruller: Bun's Zig Runtime, Continued on Zig 0.16 by andai on Thursday July 23, 2026 @03:50AM (#49018190)

There seems to be some confusion here (including in the linked discussion?) about what this is. This is not continuing the development on the original Bun (Zig) codebase.

It is extracting a subset of that codebase for deployment purposes. The full version of Bun (presumably in Rust?) will continue to be used for actual development.

So it is not a replacement for Bun, but a supplement to it.

https://news.ycombinator.com/item?id=49018157

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Re:Cruller: Bun's Zig Runtime, Continued on Zig 0.16 by m00dy on Thursday July 23, 2026 @05:13AM (#49018831)

yeah, no place for amateurs

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Re:Cruller: Bun's Zig Runtime, Continued on Zig 0.16 by ForHackernews on Thursday July 23, 2026 @05:29AM (#49018947)

> Cruller is not intended to replace Bun for development. It is a minimal, specialized runtime for executing production code.

> In any case, I do not want to throw away such a large codebase that has taken several years to build. It makes more sense to turn it into a convenient embeddable library that can be used throughout the Zig ecosystem.

This seems pretty sensible to me. It's nice if the Zig ecosystem has an embeddable JS runtime.

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Re:Cruller: Bun's Zig Runtime, Continued on Zig 0.16 by rganesan on Thursday July 23, 2026 @06:44AM (#49019469)

The discussion is also missing a key point. Bun had a patched version of Zig, this runtime uses upstream Zig.

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