Announcement reposted from Amazon Canada:
Upload videos in French to enable your French language customers to buy, set up or troubleshoot your product. Adding videos to your listings can help increase sales, reduce returns and improve customer experience.
To learn more, go to Manage product videos FAQ
Note: We’re constantly experimenting to deliver the best customer experience. Until January 15, 2024, some videos uploaded in alternate languages may not appear on the detail pages. This is expected, so a Selling Partner Support case is not required.
For more information, go Upload and manage videos