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I have set up a forum on my server: https://ddx.guru/
When I test it and when I edit the comment, after saving it, it appears as a new comment (not the same with edited content).
Want to test if it is expected behavior or problem with my system.
Here it works as expected. On my server somehow it fails.
Ok, it started working. Disabled/re-enabled some of the plugins (maybe Gravatar was faulty?) and it started working again.