LangChain incident
LangSmith UI: ongoing incident — trace visualization unavailable
Minor Vendor's status page →
Resolved on April 30, 2026, affecting LangSmith Application.
The fix has been properly released. Thank you for your patience and sorry for the inconvenience.
Affected components
LangSmith Application
Update timeline
- investigating Apr 30, 2026, 02:59 PM UTC
We're currently investigating an incident affecting trace visualization in the LangSmith UI. Traces may not render correctly or may fail to load.
- identified Apr 30, 2026, 03:33 PM UTC
We have identified the root cause and are working on a fix.
- monitoring Apr 30, 2026, 04:19 PM UTC
We have deployed a fix and are continuing to monitor the situation closely. Trace ingestion was not impacted. We apologize for the inconvenience.
- resolved Apr 30, 2026, 06:30 PM UTC
The fix has been properly released. Thank you for your patience and sorry for the inconvenience.
Your product runs on more than LangChain
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services