Background of the issue:
I am trying to resolve an issue where the Page/Post Preview is not working for various users on the site. I have attempted the solution found at https://wpml.org/forums/topic/page-preview-showing-very-old-versions-of-pages/ by reducing post revisions to 2 in the WP config. I am running Salient Theme, WPBakery, WP Rocket, and Object Cache Pro on Cloudways, all up to date, including WPML 4.7.6. We are using manual translate with WPBakery for 2 language variations.
Symptoms:
The Page/Post Preview is showing very old versions of pages. After clearing the revision history and creating a new preview, initially changing an image worked, but changing a piece of text did not.
Questions:
Why is the Page/Post Preview showing very old versions despite reducing post revisions?
Why does changing an image work in the preview but changing text does not?
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