Tealium experienced a minor incident on October 1, 2026 affecting User Interface and User Interface (Publish), lasting 8h 47m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Oct 01, 2026, 01:43 PM UTC
Engineers have identified a problem whereby using the custom value mapping feature within a tag configuration leads to the 'apply' button being unavailable. The root cause has already been identified and developers are working on a fix.
- identified Oct 01, 2026, 02:42 PM UTC
If you are encountering the problem with the custom value mapping, there is a workaround if you edit each Custom Value mapping and press "Done" without making any changes to the mapping. This re-enables the Apply button so that the Tag Mapping changes can be saved.
- monitoring Oct 01, 2026, 08:04 PM UTC
Engineers have applied a fix and are monitoring functionality.