Outage in Expo
Some build artifacts fail to download
Resolved MajorIncident Report
Some build artifacts are failing to download (clicking the Download button opens a page with a JSON error).
If you're affected, most likely the URL ends with ".tar". Try removing this suffix so only the string of letters and numbers remains as the last path component. The resulting URL should download ok. Fixing the issue now.
Components affected
Expo WebsiteTrusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
8 months ago - at 08/30/2025 07:56PM
Downloading all build artifacts should work again now.
IDENTIFIED
8 months ago - at 08/30/2025 07:21PM
Some build artifacts are failing to download (clicking the Download button opens a page with a JSON error).
If you're affected, most likely the URL ends with ".tar". Try removing this suffix so only the string of letters and numbers remains as the last path component. The resulting URL should download ok. Fixing the issue now.
Latest Expo outages
Browser security warnings on build downloads - about 15 hours ago
iOS Builds fail to start - 2 days ago
Some workflow runs are slow to progress - 15 days ago
Delayed push notification delivery - 16 days ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
