Description of problem:
Twice in the same day following upgrade to v66 (currently at 66.0.1-1.fc29)
Version-Release number of selected component (if applicable):
66.0.1-1.fc29
How reproducible:
Sporadic
Steps to Reproduce:
1. Start private window
2. Start typing in the address bar
3. Initial character gets registered multiple times (reported previously at https://bugzilla.redhat.com/show_bug.cgi?id=1693091)
4. Firefox freezes for a few seconds, then SIGSEGVs.
5. abrt says "uReport data is invalid"
Actual results:
Freeze then crash
Expected results:
Previous to v66 I haven't had a Firefox crash in months, if not years.
Additional info:
There is a coredump under /var/spool/abrt but I'm not sure how to extract a useful stack trace.