# FME - Treatments Returning Default Values

- Provider: [Harness](https://down.guide/harness)
- Level: confirmed
- Impact: Degraded
- lasted 0m
- started 2026-05-08 17:08 UTC
- id: DWN-54003fd49a
- Official page: https://stspg.io/jdxkm3cfjzj6

## Updates from Harness
### 2026-04-22 21:35 UTC: resolved
On April 22, 2026, couple of customers experienced feature flags returning default treatments due to invalid empty segment membership responses being cached and served to SDKs. The issue was isolated to couple of customers under specific high-concurrency conditions involving Large Segments.

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