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FYIGoogle · Search & AI Max · Thu, Aug 20, 2026
AI Max adds multi-campaign budget and ROI target A/B tests, and Performance Planner can apply changes
What changed
Rolling out in September, a single A/B test can compare budgets and ROI targets across multiple Search campaigns. AI Max experiments can now run with brand and location controls on, and Performance Planner can project the impact of bid or budget changes and apply them in one click.
What to do
Use the multi-campaign test before scaling budgets for Q4 instead of raising spend blind.
Source
← Meta is testing removing placement, device and OS exclusions from ad setsCheckout now pre-selects a signed-in customer's last-used payment method →
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- October Demand Gen drop: Data Strength Uplift metric and Data Manager in GA and DV360 Oct 13
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