Hi, This commit fixes the issue. https://github.com/msgspec/msgspec/commit/c24bc7025cbf153edc7d32256ea1279f49f422ea Thanks
________________________________________ From: Stuart Prescott <[email protected]> Sent: 06 October 2026 08:59 To: Debian Bug Tracking System Subject: [EXTERNAL] Bug#1150145: RM: python3-rosettasciio [armhf i386 s390x] -- ANAIS; RoM; ANAIS; build-deps longer support big endian and 32-bit archs Package: ftp.debian.org Severity: normal X-Debbugs-Cc: [email protected], [email protected], [email protected], [email protected] Control: affects -1 + src:python-rosettasciio User: [email protected] Usertags: remove User: [email protected] Usertags: armhf User: [email protected] Usertags: i386 User: [email protected] Usertags: s390x One of python-rosettasciio's transient-build-dependencies python3-msgspec (via python3-zarr) is no longer produced on 32-bit and big-endian platforms. It is thus impossible to build python3-rosettasciio on these platforms. Please remove the binary packages for the affected archs so that the package is no longer blocked from migrating for this particular reason.

