SUMMARY

the check mark is recorded in the form and not recorded in the document.


STEPS TO REPRODUCE
1. open a pdf with forms
2. click on a checkbox
3. a check mark is written
4 record and close the document
5 open the document
the checkbox is empty, no check mark
6 activate the forms
there is a check mark in the checkbox

No problem with text box

ADDITIONAL INFORMATION

open the modified and recorded document with LibreOffice Draw
the check mark does not appears in the checkbox

The kde team says : it is a poppler problem solved with the new version.

See https://bugs.kde.org/show_bug.cgi?id=458062

please update poppler to the last version.

Thanks