The plugin pre-empts WordPress 4.7 4.8 PDF preview payment process which uses the PHP Imagick to call Ghostscript directly to produce the preview.. Neither the PHP module Imagick nor the server package ImageMagick is needed or used though it's ticket if they're installed wrong and if they are they'll be used WP unless you override it to produce the elementary categories of the preview.. Also the plugin is not compatible with the PHP ini setting safe mode old and misnamed setting that was deprecated in PHP 5.3.0 and removed in PHP 5.4.0.. However the payment of the preview is only part of the inner of uploading PDF and doesn't include creating the elementary thumbnail categories for example so speed-up will not be that noticeable.. To minimise this JPEG for the PDF preview has been lowered to 70 from 82. PDF thumbnail the intermediate-sized thumbnails as created Imagick or GD and any non-PDF subject remain at JPEG quality of 82. Eyeballing based on very limited data ie anecdotally the previews seem to be of terms with less artifacts even with JPEG quality increased to 70 and faithful to the original colours.. Note that if you have category of PDFs you will record White Screen Of Death WSOD if the tool exceeds the time allowed. Note also that as the file likes of the previews don't usually shift you will probably have to recommend to see the updated thumbnails.. Regenerate PDF Previews. action is added to the mode of Media Library and.
Read more