December 2025 Product Release Notes
Last updated: March 31, 2026
Major Releases
Flow Builder UX Improvements
(Flows > Editor)
We shipped a major set of usability upgrades to make building flows faster, clearer, and more intuitive.
What’s New
Full-screen editor now opens by default when creating new triggers
Trigger type is selected before entering the editor
More prominent active actions and exit button
Larger step nodes with clearer landing zones
Animated flow edges for improved visual clarity
Better experiment split handling
Flow validation is now skipped for disabled steps

Why This Matters
These improvements reduce friction when building automations and provide a smoother, more polished experience—especially for complex flows.
Popup Editor Enhancements + Unified Editor View
(Popups > Editor)
Popups received a major upgrade with a new unified editing experience and several quality-of-life improvements.
What’s New
Drag elements across pages without switching tabs
Clone individual elements at the page level
Hide/show elements by device (without deleting)
Clearer deletion behavior with improved accessibility
Convert popup buttons into links
CSV export for popup stats
Live opt-in rates shown directly on popup cards

Why This Matters
Designing multi-step popups is now faster and more flexible—giving teams greater control with fewer clicks.
Billing & Payments Overhaul
(Settings > Billing / Payments)
We delivered a large set of improvements focused on transparency, self-service, and billing reliability.
What’s New
Clearer billing layout with grouped usage and hover tooltips
Monthly totals added to breakdown tables
Card management moved to Payments for cleaner separation


Why This Matters
Brands gain clearer insight into charges and usage.
Campaigns + Segments Improvements
(Dashboard > Campaigns)
Campaigns powered by Klaviyo segments now behave more predictably and accurately.
What’s New
Subscriber counts reflect only SMS-consented contacts
Campaigns send at expected rates—even when many users aren’t subscribed
Improved experiment handling inside flows
Ability to block products from AI recommendations (while still allowing recovery/manual selection)
Automatic Shopify product syncing on credential updates
Why This Matters
You get more accurate targeting, smoother sends, and better control over product recommendations.
Minor Releases
RCS Video Support
Flows now support MP4 video uploads (up to 1MB) directly in media components.
Brands can drag & drop videos or use hosted URLs—unlocking richer RCS experiences and carousel support.
Subscriber Import Page Updates
(Dashboard > Subscriber Import)
We refreshed the Subscriber Import experience for better clarity and usability, including a renamed page (formerly Consent), improved column selection, filename metadata for multi-file uploads, and removal of redundant terms and disclaimer checkboxes.

Contact Card page Improvements
(Dashboard > Contact Card)
We made usability improvements to the Contact Card experience, refining layout and interactions to make viewing and managing subscriber details faster and more intuitive.

Integrations Page Revamp
(Settings > Integrations)
We refreshed the Integrations page with a cleaner layout and improved organization, making it easier to discover, connect, and manage your integrations in one place.
