Why is touch input for PrizmDoc Viewer not working in Chrome version 70+?
PrizmDoc Viewer uses the Chrome Touch API to process touch input. This API was deprecated after Chrome version 70, and must be manually re-enabled in order for touch input to work in PrizmDoc.
For Chrome versions 70-77:
Paste the following link into Chrome to enable the Touch API:
This issue will also occur in the Chromium version of Microsoft Edge.
Paste the following link into Edge to enable the Touch API:
For Chrome Versions 78+:
As of version 78 of Chrome, the touch-events flag has been removed from chrome://flags/ and edge://flags/.
To enable touch-events in versions of Chrome 78 and later, you must set a command-line flag at the end of the target path in your Chrome shortcut properties as demonstrated below:
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --touch-events=enabled