◎ Radar

# Release of Canton 3.5.6 Canton 3.5.6 has been released on June 24, 2026. ## Summary This is a maintenance release that fixes an exceptional severe bug around logical synchronizer upgrades and brings a few improvements. ## What’s New ### Minor Improvements - Connection pool metrics: - Add a `psid` label, populated if it is provided when connecting. This should be the case starting from the second connection to a synchronizer, or upon LSU. - Close the `connection-health` and `subscripti