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Salesforce has published the 26.5 release for Agentforce Commerce B2C, and this one feels more practical than flashy. The main themes are better control over search, faster operational work in Business Manager, and improved visibility into catalog quality.

• More control over search merchandising. Boost and bury rules give teams a more flexible way to influence keyword search results and category page rankings. That makes it easier to push seasonal products, support inventory priorities, or give extra visibility to strategic items without breaking overall relevance.
• Faster bulk updates from Business Manager. With bulk replication, merchants can update multiple products, price books, or content assets more efficiently by using the existing granular data replication tools. For teams managing larger catalogs or frequent content changes, this should remove some unnecessary manual effort.
• Cosmos becomes the default UI. Starting with 26.5, Salesforce Cosmos Design is enabled by default. The updated interface brings a fresher look, more contrast, improved readability, and more polished interaction cues. For teams that prefer the previous interface, Salesforce still allows switching back.
• Better Japanese search tuning. Merchants can now extend a custom Japanese dictionary so the search engine handles brand names, industry-specific terms, and regional wording more accurately. This is a useful addition for stores where default tokenization is not enough.
• An upgraded search engine behind the scenes. Salesforce is improving indexing, memory usage, and query execution speed with the updated search engine. In practice, this should help stores get faster responses, better filtering, and more reliable search behavior. If an outdated index error appears, rebuilding the search indexes is the key follow-up step.
• Better visibility into product readiness. New Product Readiness insights on the Merchant Tools home page help teams quickly identify products that are not storefront-ready, including incomplete items or products that still haven’t been assigned to categories. Small feature, very useful in daily catalog operations.

Overall, 26.5 looks like a merchant-friendly release: less about headline-grabbing change, and more about helping commerce teams work faster, tune search more precisely, and keep storefront data in better shape.

Source: Salesforce Help — B2C Commerce 26.5 Release Notes.