Vaadin 8.12.0 get warnings

[lanmaster]

Have a good day. After update to Vaadin 8.12.0 i get some warnings:

com.vaadin.event.EventRouter addListener
WARNING: Adding listeners with type Object is deprecated, event listener should extend SerializableEventListener

[TatuLund]

Yes, it is related to this change vaadin/framework#12045

[mvysny]

Related PR: #108

[TatuLund]

Version 3.1.0 fixes this issue, and can be found in Directory https://vaadin.com/directory/component/vaadin-contextmenu