PDF not showing in IE 11

[ane-gabriela]

Preconditions: Have the PDF Viewer Macro (Pro) installed with the Extension Manager

1. Create a new page
2. Attach a pdf file to this page
3. Go to Attachments
4. Copy the URL of this file
5. Edit the page created
6. Click on Insert > Other Macros
7. Select PDF Viewer macro
8. Paste the URL of the attachment to point its location
9. Click "Submit"
10. Click Save & View

Expected results: The PDF appears in the page.

Actual results: The PDF selected doesn't appear.

NOTE: This issue appears only on IE 11. It is working on Chrome 85, Edge 85 and Firefox 80.

Environment: Windows 10, IE 11, XWiki 12.6.2 with MySQL 8.0 and PDF Viewer Macro (Pro) 2.1.1

[ane-gabriela]

Issue reproduces also on PDF Viewer Macro (Pro) 2.2.1 - no buttons from the PDF work (on IE 11).

[petrenkonikita112263]

IE isn't recommended and supported. I assume this issue will be closed as "Won't Fix" after parent is upgraded up to 14+