When I navigate to dev.shopify.com it redirects there:
Shopify problems are entertaining 
@Soufiane_Ghzal Not sure if it has been fixed already but working on correctly on my ends.
Yes fixed now. I need 20 characters to post…
It’s happening again
seems to be random now. Sometimes it works, sometime not
This has been resolved now, thanks for flagging @Soufiane_Ghzal!