Solving Copy Paste Not Working on Fedora 36
This Tip Try to Solve Copy Paste Not Working properly on Fedora 36 GNU/Linux desktop.
In my case this Issue has been happily solved by Installing the right NVIDIA Graphics Driver.

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Fixing System
$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }
This Tip Try to Solve Copy Paste Not Working properly on Fedora 36 GNU/Linux desktop.
In my case this Issue has been happily solved by Installing the right NVIDIA Graphics Driver.