Changelog for qt-assistant-4.8.7-45.fc28.x86_64.rpm :

* Fri Mar 22 2019 Than Ngo - 4.8.7-45- fixed #1691638 - CVE-2018-19872 qt: malformed PPM image causing division by zero and crash in qppmhandler.cpp
* Fri Oct 19 2018 Kevin Kofler - 1:4.8.7-44- fix QAudio hardcoding hw:0,0 on ALSA1.1 (patch by Jaroslav Škarvada, #1641151)- disable OpenSSL 1.1 patch for F27, keep building against compat-openssl10 (It really does not make sense to switch over the F27 package at this point.)
* Fri Sep 21 2018 Owen Taylor - 1:4.8.7-43- Disable qtchooser for Flatpak builds
* Sat Jul 21 2018 Rex Dieter - 1:4.8.7-42- drop BR: pkgconfig(NetworkManager) (#1606047)- use %make_build %ldconfig
* Sat Jul 14 2018 Fedora Release Engineering - 1:4.8.7-41- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Sat May 19 2018 Rex Dieter - 1:4.8.7-40- build only qtscript using -O1 (#1580047)
* Sat May 19 2018 Rex Dieter - 1:4.8.7-39- workaround qtscript/gcc8 bug (#1580047)