pdf cairo export some content not displayed in pdf as in Inkscape

Summary:

some content that I see in the inkscape screen is not reproduced in the pdf. I attach the source svg and the resulting pdf here. Reproduced on win32 using inkscape 1.0.1 and Linux using current 1.1-alpha (bf254e665f, 2021-03-13) you see the difference in Adobe Viewer as well as evince

Steps to reproduce:

  • open Inkscape
  • load svg
  • save copy as cairo pdf

What should have happened?

...

Sample attachments:

LKAB620.pdf

LKAB620.svg

Version Info:

- Inkscape Version: ... <!-- (run inkscape -V or copy from Help → About Inkscape, top right) -->
- Operating System: ...
- Operating System version: ...