GA4 reports flag high rates of missing session_start events with a diagnostic icon

Date

Mar 12, 2025

Regions

Global

Primary source

Google Analytics Help

Sources

• open_in_new
  What's new archive (2019-2025) - Google AnalyticsGoogle Analytics Help · Mar 12, 2025

Related changes

• Jul 1, 2025GA4 extended annotation create/edit/delete rights to users with Analyst role and above
• Apr 24, 2025GA4 Reports snapshot gained templates (User behavior, Sales and revenue, Marketing performance)
• Apr 16, 2025Admin API added create/get/list/update/delete methods for Reporting Data Annotations
• Apr 7, 2025GA4 Explore added all filter match types for item-scoped dimensions and more for Audience
• Apr 2, 2025GA4 Generated insights (AI explanations of data changes) rolled out inside detailed reports
• Mar 31, 2025GA4 introduced '(data not available)' source/medium value to replace '(not set)' for Cross-network

← See this change in the change history