FeatureOct 8, 2025

Anonymous in-app messages for mobile apps

You can now use inline content to display default in-app messages to unidentified users who haven't signed up or logged in. Simply update your SDK to the minimum required version for iOS 3 and above to enable this capability without code changes.

You can even use inline content to populate your app for users who haven’t signed up or logged in. This helps you show default content to people who use your app but aren’t identified yet. Update to one of the following versions of our SDKs to get started. You don’t have to make any changes to your app code—just update the SDK. SDK Minimum required version for anonymous in-app messages iOS 3.

in-app-messagesmobileiosmessaging

Source: original entry ↗

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ImprovementAug 14, 2026

Design Studio: new and improved canvas editing experience

The Design Studio canvas editor now supports slash commands for adding blocks, keyboard shortcuts for navigation and resizing, and click-and-drag editing from any part of a component. These improvements make editing components more intuitive and efficient.

design-studiouieditingcomponentsux

FeatureAug 6, 2026

Control how fast your automations send messages

Added ability to enable "Wait before continuing journey" for any message to respect rate limits and ensure messages are delivered before proceeding with automation workflows.

automationsmessagingrate-limitingworkflows

AnnouncementSummer '25Jul 30, 2026

Summer Release: Geofences, Live Notifications, and Expanded SMS Support

Customer.io released ten new features including geofences, live notifications, an in-app notification inbox, and expanded SMS provider support, broadening messaging and engagement capabilities.

geofencingnotificationssmsmessaginginbox

See all Customer.io changes →