fixed the issue by installing “jQuery Migrate” plugin by the wordpress team.
Some changes made to the core wordpress in 5.5 & 5.6 is breaking some parts of the plugins and themes. Something to do with jQuery. So the wordpress team launched a plugin with disable those changes for sometime until theme and plugin devs update their code to support the changes made.
Forgot to mention, after installing the jQuery plugin, go to Dashboard > Tools > jQuery Pluggin > and select the legacy jQuery Option to fix things. just installing the plugin wont work.
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This reply was modified 4 years, 3 months ago by randomdroid. Reason: forgot to add solution