Google Ads is making an important update for advertisers using Offline Conversion Import (OCI) for mobile apps.
Starting April 30, 2025, advertisers must include the โconversion_environmentโ parameter in their data uploads to ensure accurate attribution and optimal Smart Bidding performance.
Why This Matters?
- Better Attribution โ Ensures conversions are correctly attributed across web and app environments.
- Optimized Smart Bidding โ Helps Google Ads improve bid strategies based on complete data.
- Enhanced Reporting โ Unlocks insights into app vs. web performance using the Ad Destination reporting feature.
- Easier Troubleshooting โ Ensures smoother Google Ads support for advertisers.

Action Required: Ensure your conversion uploads include the โconversion_environmentโ parameter before April 30, 2025, to maintain accurate campaign optimization and avoid performance drops.
Read about it here: Action Required for Offline Conversion Import (OCI) for Apps.