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Buz - A drop-in replacement for Bun using modern Zig, with sub-1s incremental builds

Ray Myers, a software developer, announced at the Software Should Work conference that his project Bunsen, a fork of the Bun JavaScript runtime, uncovered 50 new memory bugs by using language-aware tooling rather than AI agents alone. Myers offered to collaborate with Buz creator Jazzzoo on disciplined agentic workflows, acknowledging the Zig community's skepticism toward large language models.

read1 min views1 publishedJul 26, 2026

Hi @jazzzooo, Buz looks interesting. I also tinkered with the pre-rewrite Bun code in what I called Bunsen, but just from the perspective of catching bugs, not improving the code yet. I think I surfaced new 50 memory bugs. This was a stunt for my talk at Software Should Work conference last week, showing that adding language-aware toolchain beats agents alone.

I’m not qualified to say what good Zig idioms would be in Bun because I learned Zig just for this, but I’d hoped if I there were other people working on this (like you are) it would be a good way to learn.

Something I could bring to the table is that I’ve worked a lot with disciplined agentic workflows that avoid the pitfalls, so if there’s a desire to experiment with strict harness I could help. I respect that in this community there is a lot of LLM-skepticism, in fact I wish more people had thought like you because we might have had a more balanced rollout overall.

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