Remote debugging of WDCs in 2019.4 fails in Chrome 80

Hi there,

I'm working this week to develop a WDC for a customer, and need to debug our first build in Tableau Desktop, as it appears to work correctly in the simulator, but not in Tableau Desktop.

I've followed the instructions for debugging in the Tableau WDC documentation, but it appears that the version of Chrome/Chromium embedded in Tableau 2019.4 is not compatible with the latest version of Chrome 80. To be specific, the remote debugging server that Tableau starts uses a version of the dev tools that relies on WebComponents V0, which has *just* been removed from Chrome, with its removal landing in Chrome 80.

This means that if you try to connect to the remote debugging server via https://localhost:9000 for example, and choose the WDC host page, the dev tools fail to load with the error:

Uncaught TypeError: document.registerElement is not a function

This has affected others, for example see this thread on Stackoverflow:

https://stackoverflow.com/questions/60292131/angular-8-chrome-developer-tools-no-longer-work

Since Google does not provide earlier versions of Chrome for download, I am a bit stuck. Is there another browser which is compatible with the embedded version of Chrome you are using?

Thanks in advance,

Alex