Releases

This is a security maintenance release that updates the canton docker base image.

This patch release fixes slow topology store lookups on Postgres that could cause high participant database load and make the ACS commitment processor fall behind on large topology states.

This patch release fixes a slow Ledger API query that could stall the initialization of the ACS commitment processor in Canton 3.6.1 by using index lookups.

This minor release brings new features, scalability improvements, as well as many other improvements.

This is a maintenance release that brings improvements to CantonBFT.

This is a maintenace release that brings improvements to CantonBFT, LSU, and other minor improvements.

This is a maintenance release that brings few minor improvements and bug fixes.

This is a maintenance release that brings few minor improvements and bug fixes.

This is a release that officially marks CantonBFT as GA for private synchronizers. It contains a number of improvements for CantonBFT, traffic enforcement app and resource management.

This is a maintenance release with improvements for CantonBFT.

This is a maintenance release with a number of improvements in particular for CantonBFT and traffic enforcement app, as well as minor improvements in various areas.

This maintenance release addresses performance limitations during hard domain migrations for participants with a large Active Contract Set (ACS).

This is a maintenance release that ships improvements for CantonBFT and the traffic enforcement app, as well as improving the mitigation for a critical fix shipped with 3.4.11.

This is a maintenance release that fixes a bug in participants for LSU and provides minor operational improvements.

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

This is a maintenance release that brings few minor improvements.

This is a maintenance release that brings several operational improvements.

This release provides a new Ledger API endpoint to obtain command completions and fixes a number of minor issues.

This is a maintenance release that fixes an exceptional severe bug around logical synchronizer upgrades and brings a few improvements.

This is a maintenance release that fixes an exceptional but severe bug around logical synchronizer upgrades and brings a few improvements.

This is a maintenance release that fixes a bug around modify synchronizers and brings a few improvements.

This is a maintenance release that fixes an issue around mediator restart and LSU.

This is a maintenance release that fixes an out of memory issue during synchronizer reconnect, addresses security vulnerabilities in the Canton docker base image, as well as minor improvements.

Canton 3.5 introduces contract keys. Compared to a similar feature available in Canton 2.x, there are two notable differences:

This maintenance release updates internal dependencies to address security vulnerabilities, fixes a race condition and performance limitations in hard domain migration, and improves the system under faulty network…

This release improves on performance, observability, and reliability.

This maintenance release updates internal dependencies to address security vulnerabilities. We recommend upgrading during your next scheduled maintenance window.

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).

This is a maintenance release focused on critical stability improvements and bugfixes for participant nodes, primarily related to data pruning and the Ledger API's Interactive Submission Service.

This is a maintenance release that fixes automatic synchronization of protocol feature flags.