JS error with latest WordPress and YITH plugin

Upon today’s WordPress update and yesterday’s YITH wishlist update I noticed this JS error.

https://share.getcloudapp.com/ApuOrgR9

jquery.yith-wcwl.js?ver=3.0.3:1 Uncaught TypeError: Cannot read property 'contains' of undefined
    at jquery.yith-wcwl.js?ver=3.0.3:1
    at NodeList.forEach (<anonymous>)
    at MutationObserver.observe.childList (jquery.yith-wcwl.js?ver=3.0.3:1)
(anonymous)	@	jquery.yith-wcwl.js?ver=3.0.3:1
MutationObserver.observe.childList	@	jquery.yith-wcwl.js?ver=3.0.3:1
childList (async)		
(anonymous)	@	jquery.js:5921
domManip	@	jquery.js:5759
append	@	jquery.js:5918
User.initThirdParty	@	content_page.js:3489
User.updateFromHeaders	@	content_page.js:3497
SerpResultsMetrics.handleError	@	content_page.js:2616
SerpResultsMetrics.receive	@	content_page.js:2565
(anonymous)	@	content_page.js:2408