Emily Lane
October 08, 2024

Open the new ‘Debug’ tab in Automations. Create or load a test event to view the diff panel. Review the data differences between nodes and quickly validate any issues.
When selecting a node, the previous node in the sequence, based on the test event, will also be selected.
Create or load as many test events as you need to run.
Node will highlight red when encountering an error to see where the run stopped.
Node will now highlight red when:
Checking for incorrect input types.
Validating empty fields after interaction.
Nodes with missing or invalid info are highlighted directly on the canvas. This can help quickly identify problems.
Dynamically fetch any Courier profile and attach it to the automation run. Added to the list of available nodes in Automations.
Learn more: Read the Automation Debugger docs

Redesigned Preferences Editor and hosted preference center
Build, preview, and launch a branded notification preference center with no frontend code.
By Emily Lane
July 18, 2026

Experiments: A/B Testing in Journeys
Run 2 to 10 message variants on a single send node in a journey, split live traffic by weight, compare per-variant results, and promote the one you want.
By Emily Lane
July 09, 2026

AI Localization
Localize Courier templates in seconds with AI Translation, now available in Design Studio for email, SMS, push, in-app, and chat.
By Emily Lane
June 29, 2026
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