To resolve the issue please use the custom plugin colorlib-plugin5.zip shared in the following topic
https://colorlibsupport.com/t/how-can-i-stop-resizing-featured-images/#post-29444
Then regenerate thumbnails on your site using following plugin.
To resolve the issue please use the custom plugin colorlib-plugin5.zip shared in the following topic
https://colorlibsupport.com/t/how-can-i-stop-resizing-featured-images/#post-29444
Then regenerate thumbnails on your site using following plugin.