Our weekly PPC news roundup for the week ending October 30, 2026: Google scales ads in AI Mode to ten new countries, Meta switches on product browsing in existing ads and prepares a new conversion measurement default, and Google Ads tests new ad formats.

Meta adds product browsing to existing ads on October 28 and shifts AI liability to advertisers on October 30. Google rolls out retention goals and review summaries. What to do this week.

The PPC news that matters from October 9–15, 2026: Google finally lets you cap Search partner and Display spend by percentage, API v26 ships Search Lift metrics, promotions get auto-applied, and Meta pushes two default-on changes right before Black Friday.