@pipoulito
Thanks for reaching out to us. Can you please temporarily disable our Swatches plugin and check whether it selects the variation image or not?
Thanks
Thnaks for you feedback
When i disable the plugin i have the same probem, it is not the good featured image that is displayed
thanks for help
@pipoulito
You can try a basic theme like- Twenty Twenty-Two, Storefront, etc. To check whether the issue coming from your theme or not. To check it you can use the Health Check & Troubleshooting plugin.
If you found our support and plugin helpful please write your feedback here.
Your positive feedback will inspire us.
Thanks
Your are right , problem comes from thème. It works with hello theme but the product title is not updated with the variation title
thanks