Release Notes

Here you will find information for our most recent updates. For older updates, refer to our historical release notes.

Update Features
May 2025

New: Real-time data for A/B groups , Split send time recurring mailings audience lock

Updated: Content automation and integration, Campaign setup, Custom reporting and data insights , Send time split test frequency suppression, Drip campaign UI

Bug fixes: Unsubscribes , Campaign workflow
April 2025 New: A/B Split Send Time Testing
March 2025

Updated: Estimate Recipients - Drip Campaigns

Bug fixes: Asset library
February 2025

Updated: Content builder, IP blocking, Exports, Privacy API

Bug fixes: Content builder
January 2025

Updated: Search target mailing recipients, Content builder, Unsubscribe handling, CMS search

Bug fixes: Sub management, CMS search, A/B split, Content builder, Mailings

May 2025

New

Real-time data for A/B groups

Real-time reporting on opens, clicks, and engagement for each send time split group for faster insights to optimize campaigns.

Split send time recurring mailings audience lock

Split send time mailing added to recurring mailings with the option to 'lock' the audience, allowing you to test the same group of recipients at different times over a long period of time.

Updated

Content automation and integration

Note: the following are customer specific updates. Contact your customer success manager to discuss how PostUp can assist with your content automation and integration.

Improved content scraping for simplified newsletter personalization.

Added a custom plugin for automated transfer of FTP to the PostUp CMS to streamline data transfer.

Added the option for stacked ads in newsletters.

Campaign setup

Note: the following are customer specific updates. Contact your customer success manager to discuss how PostUp can assist with your campaign setup.

Supported customer expansion and brand management with custom site updates and address management updates.

Custom reporting and data insights

Note: the following are customer specific updates. Contact your customer success manager to discuss how PostUp can assist with your custom reporting.

Audited custom fields to optimize data usage.

Added custom campaign metrics and reports.

Send time split test frequency suppression

Improved handling of frequency suppression of send time A/B test recipients.

Drip campaign UI

You can now edit the day or time of a drip campaign from the tile window (similar to modifying the subject line, etc.) to avoid having to go to the campaign workflow every time.

Bug fixes

Unsubscribes - resolved rejection issues for unsubscribe requests using shared (non-HTTPS) domains.

Campaign workflow - resolved a glitch where the schedule tab becomes unresponsive if you go back to the content tab after scheduling a mailing.

April 2025

New

A/B Split Send Time Testing

The A/B Split Send Time feature allows you to test different email send times for a marketing campaign by splitting your target audience into two groups with different send times. This feature helps optimize engagement, e.g. open rates, click-through rates, by determining the best time to send emails.

Note: this feature cannot be used in conjunction with other A/B test features, e.g. content or subject line split tests, or the local/personal delivery time features.

March 2025

Updated

Estimate Recipients - Drip Campaigns

Drip Campaign mailings now offer the ability to estimate recipients like One-Time Mailings and Recurring Mailings.

Bug fixes

Asset library - restored missing labels in the accordion.

Asset library - fixed accordion tag search functionality for SMS and Push mailings.

February 2025

Updated

Content builder

Improved handling of images to preserve resizing when changing location within a template.

Added flexible padding.

Improved UI for accurate representation of previews in the template library when using high resolution screens.

IP blocking

Improved handling for when multiple IPs are recorded.

Exports

Added the option to export all lists with a single selection (instead of using the select multiple functionality to select everything).

Privacy API

Updated endpoints to:

  • Add custom fields.

  • Add parameter to update status to UNSUB or OPTOUT for “DELETE” method.

Bug fixes

Content builder - fixed an error with image rendering preventing previews in some blocks.

Content builder - dynamic script elements no longer resolving to a hard value in the HTML.

January 2025

Updated

Search target mailing recipients

In Mailing or Targeting Estimator, you can now perform a mailing title or mailing ID search in the Behavioral Targeting section (similar to searches in Mailing Responders).

Content builder

Improved functionality for resizing images, editing alt text, setting font sizes, and managing headers and footers.

Improved responsiveness for content blocks.

Unsubscribe handling

Improved unsub handling to ensure compliance with RFC 8058.

CMS search

Create new folder button added to top of tab to make it available when accordion is pinned.

Improved column sorting.

Bug fixes

Sub management - fixed 504 gateway time-out

CMS search - fixed UI misalignment caused by long file names.

CMS search - fixed UI misalignment when accordion pinning.

CMS search - results now display correctly when you have folders and files with the same name.

CMS search - improved thumbnails to prevent image blurring.

A/B split - fixed graphical glitch where items appear stacked when in "Content Source Code" view.

A/B split - images now displaying correctly in all combos when viewing in the content editor.

Content builder - fixed display error for 2-columns article in a stack element.

Content builder - fixed social block responsiveness when placed in a stack.

Content builder - buttons for the starter template now render correctly in render tests.

Mailings - fixed the horizontal scroll bar so it only appears when needed.

SMS and Push mailings - fixed an error that prevented the content tab opening.