Please build pango against fribidi 1.0.2, as fribidi 1.0.2 provides new API. Please update pango to 1.41.1 in Fedora 28 and rawhide, as we want to test the feature from fribidi and pango earlier.
Sorry, I mean to update pango to 1.42.1 in the comment.
fribidi-1.0.2-1.fc28 pango-1.42.1-2.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-ad70cebb51
Thanks!
fribidi-1.0.2-1.fc28, pango-1.42.1-2.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-ad70cebb51
fribidi-1.0.2-1.fc28, pango-1.42.1-2.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.