api version does not match the worker version

The same issue here but not just at IOS. Flipbook doesn’t load.

Please clear the browser cache, the issue should disappear.

have allreade done it. problem remains. Any case there is an older version of the plugin available?

@ktsiana please add a link to your page.

The problem was resolved in 1.15.8, we added stable version of PDFJS for old browsers. Please update the plugin.