Update the Legacy Input Helpers package to 1.3.7. This has no impact on existing functionality in ARFoundation, but should help with compatibility when using other packages.
Add `IEquatable` to `TrackableCollection`.
Previously, the `ARTrackedImageManager` and `ARTrackedObjectManager` would throw an exception if enabled without a valid reference library. These managers no longer throw; now, they disable themselves. This makes it possible to add one of these managers at runtime, since Unity will automatically invoke `OnEnable` before you have a chance to set a valid reference library. If you create one of these managers at runtime, you will need to set a valid reference library and then re-enable it.
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Bug Fixes
Fixed the issue where native providers were not being reinstantiated after being destroyed when loading/reloading a new scene.