Vivox Unity SDK 16.7.0
This release introduces new metadata capabilities for messages, improves SDK initialization workflows, and addresses an important memory management issue. The release also includes updates to the minimum supported Unity Editor version and removes deprecated Mint service functionality.
- Version
- 16.7.0
- Released
- Sep 1, 2025
- Product
- Vivox Unity SDK
Vivox Unity SDK 16.7.0
Key features and bugs addressed
- Fix
Memory Management: Fixed a memory leak where `VivoxParticipant` objects were not being properly cleaned up when users left channels, improving overall SDK performance and stability.
- Feature
Message Metadata: Added new metadata support allowing developers to attach and access custom data with both channel and directed messages through `VivoxMessage.Metadata` and `MessageOptions.Metadata` properties.
- Change
SDK Initialization: Implemented automatic SDK initialization and user sign-in, streamlining the setup process when SDK actions are attempted without prior configuration.
- Feature
Multi-Instance Support: Added support for running multiple concurrent Vivox SDK instances through the new `IUnityServices.GetVivoxService()` method.
- Change
Platform Updates:
- Improvement
Updated minimum supported Unity Editor version to 2021.3
- Improvement
Updated Services Core SDK dependency.
Added
- Feature
`VivoxMessage.Metadata` property
- Feature
`MessageOptions.Metadata` property
- Feature
`IUnityServices.GetVivoxService()` method
Removed/Deprecated
- Deprecation
Mint service integration and related public APIs have been removed
Known issues
No known issues reported.
Vivox SDK 16.7.0
8 documented changes.
Added
- Feature
`VivoxMessage.Metadata` property for accessing channel or directed message metadata.
- Feature
`MessageOptions.Metadata` property for attaching metadata to outgoing messages.
- Feature
Added automatic SDK initialization and user sign-in when SDK actions are attempted without prior setup.
- Feature
Added support for multiple concurrent Vivox SDK instances via `IUnityServices.GetVivoxService()` .
Changed
- Improvement
Updated minimum supported Editor version to 2021.3.
- Improvement
Updated Services Core SDK dependency version.
Removed
- Deprecation
Removed Mint service integration and deprecated related public APIs.
Fixed
- Fix
Fixed memory leak caused by unbound event handlers preventing `VivoxParticipant` objects from being cleaned up when the local user left channels with remaining participants.