It looks like the shared runtime example on the page below is focused on situations where the Add-In browser is using edge (as opposed to IE11). I am not able to update the window.sharedState data and see the updates in my Task Pane. I can see the updates if I troubleshoot the add-in by hitting localhost with my Chrome browser. Any thoughts on how to make this work? I believe my browser is IE11 because my windows version is 1809.

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@thunter05 Thanks for asking about this.
@mscharlock Can you take a look?
Thanks.
Hi @thunter05 - I have consulted with some engineers on this one and we are not totally sure why this would be happening. Can you please post this issue on Stack Overflow?
I will also tag @TCourtneyOwen just in case there is a chance he has an idea on this.
Hello guys! Sorry for the late response. I'm back on trying to solve this. I can post the question on stack overflow.
@thunter05, checking that you got help with this on StackOverflow - I'm closing this issue for now with that assumption. If not, let me know and I will reopen this issue. Thanks!