Letter "i" after "f" are missing, when import from pdf

Summary:

When importing from pdf, letter "i" after "f" are missing.

Eg. "unified", "define". Other "i" are okay.

Steps to reproduce:

  • open Inkscape
  • Drag and drop a .pdf file into Inkscape (pdf generated by LibreWriter)
  • Click OK without changing any importing options

What happened?

All letter "i" after "f" are missing

What should have happened?

All letters should show.

Sample attachments:

inkscape-screenshot

The PDF file which to import from: pdf.pdf

Version info

1.0.1 (3bc2e813f5, 2020-09-07) On Linux x86_64

Inkscape 1.0.1 (3bc2e813f5, 2020-09-07)
    Pango version: 1.44.7