Dashboard screen is just a grey blank once I log in

[EliasMheart]

Description of Bug

When going to https://stackblitz.com/ while signed in, I just get a grey screen. It shows the normal page while not logged in, and visiting an old /edit/ page also works when I am logged in. But this page is not working.

Steps to Reproduce

1. Go to 'https://stackblitz.com/sign_in'
2. Click on 'login with github'
3. Login and be redirected to dashboard
4. See error

Expected Behavior

I expect to see the normal dashboard.

Screenshots/Screencast

Additional Context/Questions
This is on an android device in Firefox. Android Version 15, Firefox Version 146.0 via an eduroam WiFi network. I have accessed that page through this WiFi before without issue.