Google has shipped two more spam updates since June. The August update ran from August 18 to August 21 with no new policies. The September update started on September 24, and Google says it may take up to two weeks, longer than any earlier 2026 spam update, so ranking moves during the rollout cannot be pinned on it yet. It is the fourth spam update of 2026, and the checklist in this article still applies.
Google pushed the DSA auto-upgrade back to February 2027, so the September timeline below no longer applies. What is getting auto-upgraded to AI Max in September 2026 is a different set: campaigns running automatically created assets (ACA), and campaigns with the campaign-level broad match setting turned on. Neither involves DSA. The migration checklist here still holds, just on a later clock.
As of July, Merchant Center Checkout links — the Buy Now CTA that takes shoppers from a listing straight to your checkout page — expanded to seven new countries: Indonesia, France, Mexico, Argentina, Israel, Poland, and Australia. Merchants based in those countries can enable it in Merchant Center to shorten the listing-to-checkout path.
On May 5 2026 GPT-5.5 Instant replaced GPT-5.3 as ChatGPT's default, cutting hallucinated claims by over 50%, which means cleaner, more literal use of your product data and a higher bar for accurate feeds.
Cloudflare blocks AI crawlers by default now and added Pay Per Crawl billing. Many stores never noticed GPTBot, ClaudeBot, and PerplexityBot got shut out, which quietly erases them from AI answers. Here's how to audit, which bots to allow, and the difference between training and retrieval crawlers.
Google launched Conversational Attributes in Merchant Center at Google Marketing Live on May 21, 2026 — new product data fields designed specifically for AI Mode and the Gemini App. Standard feed optimization no longer covers AI search visibility. These fields describe use cases and context the way shoppers actually ask questions.
The May 21 core update is the second of 2026, and early trackers flag e-commerce as a high-volatility category. It landed right after the I/O Search redesign, with AI Overviews and AI Mode both expanding. Here's how to tell if you were hit and how long to wait before reacting.
At I/O 2026 Google shipped its biggest search box redesign in 25 years — it takes text, images, files, video, even Chrome tabs — and launched always-on Search Agents. AI Mode now has 1B+ monthly users. For e-commerce, product imagery, video, and structured feeds now directly decide whether you get found.
On May 15, 2026, Google released its first official AI Optimization Guide and stated plainly: schema markup is not required for AI Overviews. Two years of GEO vendor pitches just got contradicted. What actually decides citation now?
At I/O 2026 on May 19, Google launched Universal Cart — a persistent cart that follows users across Search, Gemini, YouTube, and Gmail. Nike, Sephora, Walmart already onboarded. Products not in a UCP feed are invisible to this checkout.
OpenAI is pulling ChatGPT shopping back from Instant Checkout and pushing all weight into product discovery. State sales tax infrastructure was not ready, and the checkout funnel underperformed. Target, Sephora, Nordstrom, Lowe's, Best Buy, Home Depot, and Wayfair are already plugged into ACP discovery. Here is how cross-border DTC brands ride the shift.
On April 7 Google pushed AI Mode shopping into the Gemini app and Circle to Search, and the Shopping Graph crossed 50 billion SKUs the same week. Your feed no longer serves one surface — it serves three. Here is the audit list cross-border merchants should run before the next AI Max push.
On May 15 the Ninth Circuit hears arguments on Amazon's injunction against Perplexity Comet. This is the first federal-level fight over whether buyer-side AI agents can access third-party platforms at user direction. Amazon already won a preliminary injunction on March 10. The ruling reshapes traffic structure for every cross-border merchant. Here is how to prepare both sides.
Perplexity's shopping feature surfaces product cards without any ad auction behind them. This guide breaks down how its recommendation logic works, what it actually looks for, and what cross-border sellers can do to show up.
Google's Preferred Sources feature lets users designate trusted websites for AI answers. For ecommerce brands, earning that designation means higher visibility in AI Overviews and AI Mode — a new trust signal that works differently from traditional SEO rankings.