Running SPFX WorkBench in SharePoint Online

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Hi there, I am experiencing an issue when running the SPFX Workbench in my SharePoint Online Development Site Collection. Everything opens fine, but when I add the "Hello World" Web Part it just sits there "Loading Hello World" and does not actually insert the part (see image).

 

Anyone experienced anything similar?Screen Shot 2016-11-19 at 8.13.01 AM.png

1 Reply
Which browser your are using?
Sometime it happens due to browser incompatibility.