LibreTexts experienced a major incident on August 18, 2026 affecting Chemistry and Biology and 1 more component, lasting 3h 2m. The incident has been resolved; the full update timeline is below.
Affected components
ChemistryBiologyBusinessEngineeringEspanolGeologyHumanitiesK-12 EducationMathematicsMedicine
Update timeline
- identified Aug 18, 2026, 07:12 PM UTC
An issue with a third-party service provider is currently affecting our libraries. Users may be unable to access content or log in. We apologize for any inconvenience and will provide updates as they are available.
- monitoring Aug 18, 2026, 07:52 PM UTC
We are seeing improved availability and performance on the libraries. We will continue to monitor for signs of degradation.
- resolved Aug 18, 2026, 10:15 PM UTC
This incident has been resolved.