Canton 3.5.3
This is a maintenance release that fixes an issue around mediator restart and LSU.
- A newer release in the 3.5 line: Canton 3.5.19
- Newest Canton: Canton 3.6.4
Open on GitHub (opens in a new tab)github.com
Canton 3.5.3 has been released on June 03, 2026. You can download the Daml Open Source edition from the Daml Connect Github Release Section. Please also consult the full documentation of this release.
Summary
This is a maintenance release that fixes an issue around mediator restart and LSU.
Bugfixes
Mediator cannot reconnect to sequencer after processing LSU sequencing test message
During LSU, after processing a sequencing test message, a mediator cannot reconnect to the sequencer. The connection issue resolves itself when the upgrade time is reached and traffic is initialized on the sequencer.
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) |