SDK & Download
Getting the Fusion SDK
Download
Download the latest released stable package of Fusion SDK 2.1.
Changelog
Open the changelog section the latest released stable package of Fusion SDK 2.1.
Projects should be upgraded to the latest 2.0.x SDK before being upgraded to 2.1.x.
Fusion 2.1 SDK Downloads
| Version | Release Date | Download | |
|---|---|---|---|
| 2.1.1 Stable | Jun 30, 2026 | Fusion SDK 2.1.1 Stable Build 2177 | Release Notes |
Voice for Fusion 2.1
Fusion 2.1 requires Realtime 5. (not compatible with Fusion 2.0)
| Version | Download |
|---|---|
| 2.63 | Unity Voice SDK Realtime5 2.63 |
Release Notes
Fusion 2.0 SDK Downloads
| Version | Release Date | Download | |
|---|---|---|---|
| 2.0.12 Stable | Mar 19, 2026 | Fusion SDK 2.0.12 Stable Build 1861 | Release Notes |
| 2.0.11 Stable | Feb 09, 2026 | Fusion SDK 2.0.11 Stable Build 1743 | Release Notes |
Matching Downloads
Voice for Fusion 2.0 (not compatible with Fusion 2.1)
| Version | Download |
|---|---|
| 2.63 | Unity Voice SDK 2.63 |
Release Notes
Updating the SDK
- Make sure the complete project is backed up (preferably through any Source Control System).
- Delete the
*\Photonfolder. - Import the new SDK package.
- Revert the changes to the following files:
*\Photon\Fusion\Resources\NetworkProjectConfig.fusion;*\Photon\Fusion\Resources\PhotonAppSettings.asset.
Requirements
- Fusion 2 AppId (Photon Dashboard)
- Unity 2021.3.45, 2022.3.45, 6.0.x, 6.3.x
- Asset Serialization MUST be set to text (
Project Settings > Editor > Asset Serialization,Mode = Force Text)
Supported Platforms
- Microsoft Windows 10, Windows 11
- MacOS X, iOS, VisionOS
- PS4, PS5
- Xbox ONE, Xbox Series X & S
- Nintendo Switch, Nintendo Switch 2
- Android
- WebGL