Dynamic Yield incident

EU & US Sections | Custom Filter Rules Not Applying in Recommendations for Some Newly Created Strategies

Minor Resolved View vendor source →

Dynamic Yield experienced a minor incident on May 19, 2026 affecting Recommendation API, lasting 21h 42m. The incident has been resolved; the full update timeline is below.

Started
May 19, 2026, 03:28 PM UTC
Resolved
May 20, 2026, 01:11 PM UTC
Duration
21h 42m
Detected by Pingoru
May 19, 2026, 03:28 PM UTC

Affected components

Recommendation API

Update timeline

  1. investigating May 19, 2026, 03:28 PM UTC

    Our engineering team is actively investigating to identify the root cause and implement a fix. This issue appears limited to strategies created with custom filter rules on May 19, 2026. Existing strategies created before May 19, 2026 continue to apply the rules as expected.

  2. monitoring May 19, 2026, 07:17 PM UTC

    A fix has been implemented, and we are actively monitoring results. Rules in the affected recommendation strategies are now being applied correctly. We will continue to monitor to ensure sustained performance.

  3. resolved May 20, 2026, 01:11 PM UTC

    This incident has been resolved.