improved

RUM update: lux.js v4.0.31

20 March 2025 (UTC)

New features

  • Automatically send UTM parameters as custom data. The variable names are: _utm_source, _utm_campaign, _utm_medium, _utm_term, and _utm_content. These must be configured as Custom Data Dimensions in your SpeedCurve Settings to show in your dashboards.

Bug fixes

  • Ensure the event type is always present for INP attribution.