Reported at Trac: http://trac.wxwidgets.org/ticket/17715 Just need to cherry-pick a patch.
Perhaps a snapshot of 3.0 is in order? The 3.0.3 milestone seems to still be a while away and I don't see any regression bug: http://trac.wxwidgets.org/milestone/3.0.3
wxGTK3-3.0.2-31.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2016-50f421707b
wxGTK3-3.0.2-31.fc24 has been submitted as an update to Fedora 24. https://bodhi.fedoraproject.org/updates/FEDORA-2016-f834c6eb91
wxGTK3-3.0.2-31.fc25 has been pushed to the Fedora 25 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-2016-50f421707b
wxGTK3-3.0.2-31.fc24 has been pushed to the Fedora 24 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-2016-f834c6eb91
wxGTK3-3.0.2-31.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.
wxGTK3-3.0.2-31.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.