Install polyfill when upgrade is not a function#566
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Jeroen-Veltmans wants to merge 1 commit intowebcomponents:masterfrom
Open
Install polyfill when upgrade is not a function#566Jeroen-Veltmans wants to merge 1 commit intowebcomponents:masterfrom
Jeroen-Veltmans wants to merge 1 commit intowebcomponents:masterfrom