Theo Buehler wrote (2026-01-20 07:27 CET):
> boost_system only contains a dummy_exported_function for backward
> compatibility. This library stub was removed in Boost 1.89, so do
> not forcibly link against it.
> 
> Upstream fixed this in a slightly larger commit that also removed
> use of some deprecated Qt classes, so the better fix would be to
> update to 2025_10_23, which I leave to the maintainer to handle.

ok sdk@ (if not already committed).
portroach didn't catch the release update. I'll look at it.

Thanks!