events.usingDomains being set to false by
default was removed in 9.6.0 which was a change in behavior compares to
9.5.0. This behavior change has been reverted and the events object now has usingDomainspreset to false, which is the behavior in 9.x prior to 9.6.0 (Myles Borins) #18944
提交
[761caec379] - events: preset usingDomains to false (Myles Borins) #18944