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Ok I managed to fix it. It was related to the settings of the row. Something problably changed in a divi update. I deleted the row and add the shortcode in a new one. Now it is working. Thank you

There is only 5 plugins on the webiste. I disabled them. It's the same. I disabled and purged all cache.

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with grid they have collapsed behing the blog posts...

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Even worse with the normal slider. Slides have disapperead.

No nothing has changed on my website. The reviews used to display correcty. The cache is not responsable for that.
I tried with  different template, even with grid. It's broken.

 
https://webesign.fr/