PDF Export - Placeholders are not interpreted properly

[SyrillBigler]

Preflight Checklist

• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Describe the bug
The following placeholders are not interpreted properly after export to pdf: %page%, %pagenumber%. All exported pages have the same name and the same page number.

To Reproduce
Steps to reproduce the behavior:

1. Add placeholder to diagram
2. Click on File → Export → PDF
3. Open PDF and check

Expected behavior
I expect the placeholders to be interpreted for each page specifically. So that I can have a proper page numbering and individual names for all pages.

draw.io version:

• draw.io version 26.0.9

Desktop:

• OS: Windows 11
• Browser Firefox
• Browser Version 134.0.2

I tested the problem in incognito/private mode with all browser extensions switched off, write "yes" below:

• Yes