Emily Lane
August 07, 2024
We've updated our notification pipeline to catch ThrottleException thrown by AWS SES in the case the SES account has reached its thresholds. ThrottleExceptin is now a retryable error with this feature, and notifications will automatically be retried with an exponential backoff.
Learn more: Learn more about delivery pipeline resilience and retries · how Courier integrates with AWS SES

Redesigned Settings Page
Settings is redesigned, with workspace and developer pages in separate sections and nine background colors.
By Emily Lane
August 18, 2026

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
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