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canton v3.5.10

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@canton-machine canton-machine released this 23 Jul 16:34
v3.5.10
1a7b4a8
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Release of Canton 3.5.10

Canton 3.5.10 has been released on July 23, 2026.

Summary

This is a maintenance release that brings UX and hardening improvements.

What’s New

Minor Improvements

  • Fixed an edge case that could cause deserialization of proto durations to fail
  • Fixed an issue where topology transactions with max serial where not handled properly
  • Ledger JSON API /v2/state/active-contracts-page is now available via POST; the GET variant that expects a request body is deprecated.
  • Bump Flyway dependency to 12.0.2 to enable Postgres 18 support

Compatibility

The following Canton protocol versions are supported:

Dependency Version
Canton protocol versions 34, 35

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

Dependency Version
Java Runtime OpenJDK 64-Bit Server VM (build 21.0.12+2-nixos, mixed mode, sharing)
Postgres Recommended: PostgreSQL 17.10 (Debian 17.10-1.pgdg13+1) – Also tested: PostgreSQL 14.23 (Debian 14.23-1.pgdg13+1), PostgreSQL 15.18 (Debian 15.18-1.pgdg13+1), PostgreSQL 16.14 (Debian 16.14-1.pgdg13+1), PostgreSQL 18.4 (Debian 18.4-1.pgdg13+1)
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