Twilio Changelog

Effective September 10, for new phone numbers provisioned through the existing Phone Number Provisioning API, address requirements will be enforced via the API, provided through an AddressSid. This means you will be required to provide addresses for newly provisioned regulated phone numbers. API calls to provisioned phone numbers that do not submit a valid address will fail with error code 21631. Only API calls provisioning numbers outside the US and Canada that fail to send an address are affected.

Voice iOS SDK 2.1 adds support for the new VoIP push notification requirements introduced in iOS 13 & Xcode 11. If you build your App with Xcode 11, you must upgrade to this version to avoid service disruption to your iOS 13 users.

Click here for more information about upgrading to this version.

We have updated all Flex projects that use Automatic Updates to Flex UI 1.12.

This Flex UI release introduced the AudioPlayerManager API, a dialpad for sending DTMF tones during an active call, and performance improvements to the Teams View. For a full changelog, visit the Flex UI release notes.

Reminder: You can pin to individual versions of the Flex UI or manage your Automatic Updates within the Flex Admin UI.

The new version of Marketing Campaigns now provides a sample of 50 contacts within the UI for any given segment. To view all contacts included in a segment at any given time, users can use the export option.

Every account with subaccounts will now have the option to get notified about subaccount level errors/warnings through a single webhook endpoint. It means that if you choose the option to Include errors and warnings from my subaccounts, Twilio will post new errors and warnings from your subaccounts to the debugger webhook endpoint you configure on the debugger Settings page.

Note: This will only work for accounts with subaccounts. Create a subaccount to test this feature.

Questions/comments? Reach out to asriram@twilio.com.

All Flex projects now have access to the Voice Insights advanced features:

• Time-series views of metrics
• Event Streams
• Programmatic access to call summaries

These features are enabled for all Flex projects and included in Flex Active User Hour and Named User paid plans.

Learn more about what's included with the advanced features in our documentation, and visit your dashboards within the Twilio Console.

The new version of Marketing Campaigns now supports A/B testing for Single Sends, allowing up to 6 variations of either subject line or content. The winner is chosen automatically based on either open rate or click rate performance (depending on the user’s selection).

The new version of Marketing Campaigns now supports the ability to duplicate and revamp an existing email design. From the design library, select “Duplicate” from the action menu.

This release of Flex UI introduces minor fixes to how we handle custom chat tasks, new notifications for call transfers failures and UI performance improvements.

For a full changelog, visit the Flex UI release notes

The Differentiated Services Code Point (DSCP) Tagging API allows you to mark the audio packets with Expedited Forwarding (EF) and video packets with Assured Forwarding (AF) for the purposes of prioritised packet routing. When enabled, supporting networks will prioritize audio and video packet delivery for improved audio and video quality. Note, only Chrome supports DSCP tagging.

For more information, refer to the [docs].