Google Merchant Center Relaxes Inconsistent Language Policy
Briefly

Google has announced a relaxation of its language policy regarding Google Merchant Center, allowing for some discrepancies between product feed language and website language.
As per Google’s guidelines, product details in a different language from the designated feed language will be permitted as long as the majority of data aligns with the feed language.
While flexibility in language is offered, it is important to note that mismatches might adversely affect the performance of Google Shopping results.
Google emphasized that the elements of the checkout process must be consistent with the feed language to ensure users can effectively navigate and make informed purchase decisions.
Read at Search Engine Roundtable
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