Swift-SDK - 5.4.0
2 min
5.4.0
June 22, 2026
New Features
Local Holdouts: Added support for Local Holdouts, enabling holdout experiments to be scoped to specific feature flags rather than applied globally. Local Holdouts let you measure the true incremental impact of individual features by holding out a subset of users from specific rollouts while still serving them other experiences. See Holdouts docsHoldouts docs for more information.
- Add localHoldouts to datafile for backward compatibility (#638)
- Revert local holdout feature gate logic (#637)
Functionality Enhancement
- Block ODP identify event for single identifier (#636)