
In polymer 2 the following change was made: Property change notifications (property-changed events) aren't fired when the value changes as a result of a binding from the host (see https://polymer-library.polymer-project.org/2.0/docs/about_20). The polymer team suggested to use observer instead of {property}-changed event. Bug: Issue 11316 Change-Id: I12d1860d3ee836724c111605725d806687ec2141