6 Aug 2025 · GA4 · medium severity · fix verified 9 Sept 2026
Improved conversion data completeness for properties with two or more linked Google Ads accounts
'We've improved conversion data quality to prevent under-reporting of conversions for Google Analytics customers whose properties have 2 or more linked Google Ads accounts…'
Source: What's new archive — Aug 6, 2025.
What it breaks
Key-event counts step up from the release date for affected properties; a trend break that looks like growth.
Who it hits: Properties linked to two or more Ads accounts that credit paid and organic channels.
The fix
Annotate 6 Aug 2025; re-baseline targets from after the change.
fix artifact · #A-005
Attribution reconcile sheet
Two 28-day exports side by side — last-click and data-driven — per campaign delta, and the Smart Bidding re-baseline arithmetic.
- verified_on
- 2026-09-09
- next re-check
- 2026-12-01
- status
- current
Sources linked on every entry · artifacts stamped and re-verified · ← all changes