Courier Flutter 4.1.0 Release
Emily Lane
March 28, 2025
A new release of Courier's Flutter SDK is live!
The new release contains the following updates:
All thread and event updates from recent iOS and Android changes
Updated docs
Support for custom error message in
CourierInboxandCourierPreferences
Learn more: How to Implement Courier Inbox · Courier Inbox Mobile SDK Updates
More updates
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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