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ReleasesCanton 3.4.10

Canton 3.4.10

This is a maintenance release focused on stability improvements. Notably, it upgrades gRPC to version 1.77.0 to address a known vulnerability (CVE-2025-58057).

Canton 3.4.10 has been released on January 07, 2026.

Summary

This is a maintenance release focused on stability improvements. Notably, it upgrades gRPC to version 1.77.0 to address a known vulnerability (CVE-2025-58057).

What’s New

Minor Improvements

  • Protect the admin participant from self lock-out. It is now impossible for an admin to remove own admin rights or delete itself.
  • LedgerAPI ListKnownParties supports an optional prefix filter argument filterParty. The respective JSON API endpoint now additionally supports identity-provider-id as an optional argument, as well as filter-party.

The following Canton protocol versions are supported:

DependencyVersion
Canton protocol versions34

Canton has been tested against the following versions of its dependencies:

DependencyVersion
Java RuntimeOpenJDK 64-Bit Server VM (build 21.0.5+1-nixos, mixed mode, sharing)
PostgresRecommended: PostgreSQL 17.7 (Debian 17.7-3.pgdg13+1) – Also tested: PostgreSQL 14.20 (Debian 14.20-1.pgdg13+1), PostgreSQL 15.15 (Debian 15.15-1.pgdg13+1), PostgreSQL 16.11 (Debian 16.11-1.pgdg13+1)