Klaviyo experienced a major incident on December 17, 2025 affecting Email Content, lasting 37m. The incident has been resolved; the full update timeline is below.
Affected components
Email Content
Update timeline
- monitoring Dec 17, 2025, 01:11 AM UTC
Beginning around 6:42 PM US/Eastern on 12/16/2025, customers may have noticed an issue with cloning templates from the Template Library. Our engineering team has identified the cause of this issue and is implementing a fix to restore functionality. We'll provide updates as soon as more information is available.
- resolved Dec 17, 2025, 01:49 AM UTC
As of 8:23 PM US/Eastern on 12/16/2025, this incident has been resolved and template cloning functionality has been fully restored.