9 September 2026 Marketing Automation campaigns can use conditions based on the End device visitor ID. In some setups, these conditions did not evaluate consistently. This has been fixed.
What Is Changing
Conditions based on the End device visitor ID now evaluate reliably. Previously, campaigns could be shown to visitors who did not match the condition, or withheld from visitors who did, so campaigns may not have reached the intended visitors. This affected setups using server-side cookies or anonymous tracking.
Availability
This fix has been live since 9 September 2026. No action is required on your side.