Reference Standard M V1.83.0 has been released

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David Wicksell

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Jun 14, 2026, 2:26:18 AM (2 days ago) Jun 14
to Everything MUMPS
RSM is an open source M implementation targeting ANSI/MDC X11.1-1995 (ISO/IEC 11756:1999).

Highlights for this release:
- First snap package release, available on the Snap Store
- Multi-arch Docker image for 6 platforms
- Significantly improved debugging experience
- Improved M standard compliance
- New sequential I/O interface documentation
- Migrated to C11/POSIX.1-2008
- Dozens of language, compiler, database, daemon, and runtime fixes

Full change log: https://gitlab.com/Reference-Standard-M/rsm/-/blob/main/CHANGELOG.adoc
Documentation: https://reference-standard-m.gitlab.io/rsm/docs/latest/index.html

Source: https://gitlab.com/Reference-Standard-M/rsm
Docker Hub: https://hub.docker.com/r/dlwicksell/rsm
Snap Store: https://snapcraft.io/rsm

K.S. Bhaskar

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Jun 14, 2026, 11:11:51 AM (2 days ago) Jun 14
to Everything MUMPS
Congratulations, David.

Regards
- Bhaskar
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