Hi Oliver,
Welcome to the community 
This happens when the app becomes larger ( But only sometimes ). Previously I was using Chrome and after I switched to Brave the editor loads well!
Hereās a topic that has the same issue :
Here switching the browser did not solved the Jonathanās issue and Todd replied a solution and finally it worked for Jonathan.
The solution that Todd added :
And I also herd about using a VPN :
Post posted by Keith
Thank you
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