commit f84394fa makes gstreamer crash on Fedora 30
The update to 1.15.2 makes gstreamer crash on wayland for me, if gstreamer-vaapi is installed. My computer is running Fedora 30 (Beta) on a Haswell igpu (HD4600) I used git bisect to pinpoint it to commit f84394fa.
I also attach a stacktrace (trying it out with totem) and vainfo output
If you need more information, I try to provide it.