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PlayFab Services SDK 2604.0.1
https://learn.microsoft.com/en-us/gaming/playfab/release-notes/playfab-c/
September 2026
Breaking Changes
- Removed the retired Inventory Microsoft Store access-token APIs and Segments
GetPlayersInSegmentAPIs - Removed the obsolete
entitymember fromPFAuthenticationGetEntityRequest - Renamed Account Management request types to distinguish Client and Server models
- Removed retired PlayFab error codes
- Changed the underlying type of
PFGameSaveInitOptionsfromuint32_ttouint64_t - Added values to
PFMultiplayerServerAzureVmSize, shifting the numeric representation of some existing values
API Updates
- Added namespace-wide friend-list support
- Added PlayStation Network authentication-version and sandbox support
- Added entity-profile statistics models and statistic aggregation support
- Added new Inventory, Multiplayer Server, Nintendo, and Game Save fields and error codes
- Added an optional task queue to
PFEntityRegisterTokenRefreshedEventHandler
GameSave Bug Fixes and Improvements
- Fixed blob-transfer failures being reported as successful
- Fixed synchronization and data-loss issues involving manifests, remote files, folder deletion, and missing local state
- Improved upload, locking, conflict handling, cancellation, and offline behavior
- Fixed GDK memory corruption and shared-context race conditions
- Improved progress reporting and restored title write access during uploads
- Fixed several Windows, GDK, Steam Deck, and GRTS initialization and shutdown issues
Runtime and Build Improvements
- Fixed
PFUninitializeAsynchanging during HTTP operations or event-pipeline flushing - Added the SDK version to initialization trace logs
- Improved exception messages by including the
HRESULT - Fixed Apple Unified SDK symbol visibility and macOS launch behavior
- Fixed custom memory hooks on Clang-based toolchains
- Added support for the GDK 2510 project layout and Visual Studio 2026
v145toolset - Pinned Android Play Games Services to version 21.0.0 to retain
minSdkVersion 21compatibility