Solved
Web Channel - visual editor does not work
Any hints how to make it work?
1. Tried both private / corporate computer
2. Different browsers - Chrome / Mozilla
3. Extension also does not help

Reviews of the extension:

Any hints how to make it work?
1. Tried both private / corporate computer
2. Different browsers - Chrome / Mozilla
3. Extension also does not help

Reviews of the extension:

try with https://luma.enablementadobe.com/content/luma/us/en.html
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