Attempting to add projects to a starred list doesn't work (for me)

[danielrosehill]

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I'm on Ubuntu Linux and browsing Github through Chrome.

I know that creating lists of your stars is in Beta. But for me at least, whenever I attempt to use it the UI just ends up hanging like this indefinitely:

I have to manually abort the operation by hitting 'cancel'.

... then to my surprise I discover that it worked and the list was created!