Changes to Visitor ID and User ID introduced in the Piwik PRO 14.0.0 have been reverted. If User ID is set for a visitor, its value overwrites Visitor ID, but it doesn’t serve as a mechanism for joining sessions in cross-device tracking. Sessions from various devices are split to get a clearer picture of user behavior.
User interface improvements and bug fixes.
Tag Manager
New
Faster and more user-friendly interface throughout Tag Manager.
You can now manage tag priority in Settings with a simple drag-and-drop mechanism.
API for Tag Manager that lets you access data and interact with features from other applications.
Audience Manager
New
When exporting attributes to a CSV file, you can now use the checkbox to quickly select all attributes.
Improved
User interface improvements and bug fixes.
Tracker
Fixed
Keywords from Google Ads are now correctly matched during tracking and displayed without the + element in reports
Platform
New
Audit log that lets you see who logged in and when and track changes made in platform settings under Menu > Administration.