Has anyone else experienced this?
Does not appear to happen in other browsers.
Everything seems to work fine and the widgets render, but I keep getting an error in the console.
Check out this example Edit fiddle - JSFiddle - Code Playground (open the console)
Thanks for the report. This stems from a scenario where we want to do something when a promise is resolved, but don’t want to do anything if it is rejected. Because of this, we don’t pass a rejection handler to Promise#then which leads to an unhandled rejection. It won’t break anything, but we should clean it up regardless to prevent developers like yourself from wondering if something is wrong.
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