I recently discovered that there is a show pdf feature that allows viewers to see the pdf inline. However, when I try to view it in Safari I get an error message: No preview available. When I try to view it in Chrome, I get a blank window. I searched for the problem here and found a discussion on it. Both browsers could view the pdfs in that thread. https://www.ubbcentral.com/forums/u...ords/pdf/Search/true/show-pdf#Post263230

I tested the page on my iPhone 11 (using DuckDuckGo), and some of the pdfs show the No Preview Available error and some show blank pages. I also tested on a Windows 10 box with both Chrome and Edge, and had similar results.

Is there a php extension that is required for these to work?

My sig has our present setup.

The Stovebolt Geek
https://www.stovebolt.com/ubbthreads/ubbthreads.php

Server Information
UBB.threads Version 7.7.5
Release 20201027
Server OS Linux
Server Load 0.16
Web Server Apache/2.4.6
PHP Version 7.4.33
MYSQL Version 5.7.43
Database Size 1.85 GB