Google updated its review snippet documentation to clarify that each review or rating in structured data should point to one clear target, reducing ambiguity.

• Google updated its review snippet docs to clarify how review targets should be specified
• You should avoid attaching the same review or rating to multiple different entities
• A quick audit of templates and plugins can catch confusing nesting.

https://www.searchenginejournal.com/google-reminds-websites-to-use-one-review-target/560861/