On Mon, Jul 20, 2026, 2:12 AM Ross Burton <[email protected]> wrote:
> On 18 Jul 2026, at 17:08, Khem Raj <[email protected]> wrote: > > libidn2 default was switched to build non-GPL3 images conveniently by > > switching to use ICU, where ICU is used by embedded systems more > commonly > > than libidn2. > > Luckily the library is dual-licensed which should help this. Only the > -bin package is v3-only. > > Yes that certainly helps and maybe its fine to use libidn2 as default. > However there are valid use cases in real products of using ICU since ICU > is used system wide as well by many other applications in those systems and > ICU data can be regenerated to contain just the data you need default > kitchen sink of 30MB is not real usecase. > Switch back to libidn2 to respect upstream's opinion, and because ICU is > > a monolithic dependency: this switch causes a minimal image containg > > libpsl to shrink by ~30MB. > > > > Which production image are you building ? > > Production images are obviously hard to compare, so I was comparing > minimal. Basically ICU is large, libidn2 is likely already present (gnutls > and curl use it by default), so if you’re not otherwise using ICU that’s a > big saving. > > Ross > >
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