Same error here: https://en.wikipedia.org/w/index.php?title=Lisa_Sauermann&type=revision&diff=857362608&oldid=841549441&diffmode=visual

jQuery.Deferred exception: this.listNode is null
ve.ce.MWReferencesListNode.prototype.onSetup@https://en.wikipedia.org/w/load.php?debug=false&lang=en&modules=diffMatchPatch%2Cmoment%2Cpapaparse%2Crangefix%2Cspark-md5%2CtreeDiffer%2Cunicodejs%7Cext.CodeMirror.data%2Clib%2CvisualEditor%7Cext.CodeMirror.mode.mediawiki%7Cext.CodeMirror.visualEditor.init%7Cext.cite.style%2CvisualEditor%7Cext.cite.visualEditor.core%2Cdata%2Cicons%7Cext.citoid.visualEditor%7Cext.citoid.visualEditor.data%7Cext.disambiguator.visualEditor%7Cext.geshi.visualEditor%7Cext.graph.data%2CvisualEditor%7Cext.kartographer%2CtemplateData%7Cext.kartographer.editing%2Cutil%2CvisualEditor%7Cext.math.styles%2CvisualEditor%7Cext.math.visualEditor.icons%7Cext.score.visualEditor%7Cext.templateData.images%7Cext.templateDataGenerator.data%2CeditPage%2Cui%7Cext.templateDataGenerator.ui.images%7Cext.visualEditor.articleTarget%2Cbase%2Ccore%2Cdata%2CdesktopArticleTarget%2CdesktopTarget%2Cdiffing%2Cicons%2Clanguage%2Cmediawiki%2CmoduleIcons%2Cmwalienextension%2Cmwcore%2Cmwextensionm…
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This is actually the fault of my template-generated ref list code, not the visual diff code :/

Change 460405 had a related patch set uploaded (by Esanders; owner: Esanders):
[mediawiki/extensions/Cite@master] Template reflist: Re-render when converting for preview (e.g. visual diff)

https://gerrit.wikimedia.org/r/460405

Change 460405 merged by jenkins-bot:
[mediawiki/extensions/Cite@master] Template reflist: Re-render when converting for preview (e.g. visual diff)

https://gerrit.wikimedia.org/r/460405