bun is a bumpy road that sees very low traffic. So you are likely to hit some bumps.
But the language haven’t even reached 1.0 yet. A lot of the strategies for doing safe Zig isn’t fully developed.
Yet, TigerBeetle is written in Zig and is an extremely robust piece of software.
I think the focus of Bun is probably more on feature parity in the short term.