Pretia SDK Release Notes

v0.10.2

Detail	Version
Release Date	Sep 13, 2023
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.2.7
ARKit XR Plugin	4.2.7
ARCore XR Plugin	4.2.7

Fixed

• Fixed an issue where the SDK is unable to connect to multiplayer services due to mismatched response type.

---

v0.10.1

Detail	Version
Release Date	Jul 18, 2023
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.2.7
ARKit XR Plugin	4.2.7
ARCore XR Plugin	4.2.7

Changed

• Reduce relocalization protocol request round-trip to improve latency

Fixed

• Point cloud visualization on Unity Editor

---

v0.9.0

Detail	Version
Release Date	Mar 16, 2023
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.2.7
ARKit XR Plugin	4.2.7
ARCore XR Plugin	4.2.7

Added

• Added support for map versioning feature.

---

v0.8.0

Detail	Version
Release Date	Jan 25, 2023
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.2.7
ARKit XR Plugin	4.2.7
ARCore XR Plugin	4.2.7

Changed

• Relocalized shared anchors will now instantiate a game object which is anchored to its world-locked pose.

Added

• Experimental support for AR Foundation 5.0
• Added an option Keep Session Origin on Successful Relocalization to keep the AR Session Origin transform in place after successful relocalization on ARSharedAnchorManager
• Added Shared Anchor Prefab field on ARSharedAnchorManager. When set on the inspector, this prefab will be instantiated when a shared anchor is successfully relocalized instead of an empty game object
• Added OnSharedAnchorAdded event on ARSharedAnchorManager
• Added OnSharedAnchorUpdated event ARSharedAnchorManager
• Added ClearSharedAnchors method on ARSharedAnchorManager
• Added StopRelocalization method on ARSharedAnchorManager

Deprecated

• Renamed SharedAnchorStateChanged type to RelocalizationStateChanged on ARSharedAnchorManager
• Renamed OnSharedAnchorStateChanged event to OnRelocalizationStateChanged on ARSharedAnchorManager
• Renamed SharedAnchorState type to RelocalizationState on ARSharedAnchorManager
• Renamed CurrentState field to RelocalizationState on ARSharedAnchorManager
• Renamed RelocScore field to RelocalizationScore on ARSharedAnchorManager
• Renamed SharedAnchorScoreUpdated type to RelocalizationScoreUpdated on ARSharedAnchorManager
• Renamed OnScoreUpdated event to OnRelocalizationScoreUpdated on ARSharedAnchorManager
• Renamed SharedAnchorRelocPoints2DUpdated type to RelocalizationPoints2DUpdated on ARSharedAnchorManager
• Renamed OnRelocPoints2DUpdated event to OnRelocalizationPoints2DUpdated on ARSharedAnchorManager
• Renamed SharedAnchorRelocPoints3DUpdated type to RelocalizationPoints3DUpdated on ARSharedAnchorManager
• Renamed OnRelocPoints3DUpdated event to OnRelocalizationPoints3DUpdated on ARSharedAnchorManager

---

v0.7.2

Detail	Version
Release Date	Nov 10, 2022
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Fixed

• Unable to input API Key in some cases.
• Dependency conflict when there are multiple Google.Protobuf DLLs.

---

v0.7.1

Detail	Version
Release Date	Nov 1, 2022
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Fixed

• Fixed an issue where the App Key and Api Key gets resetted in some cases.

---

v0.7.0

Detail	Version
Release Date	Oct 12, 2022
Android Native	v0.4.4
iOS Native	v0.2.3
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Added

• Matchmaking APIs
• Reloc 3D Keypoints
• API-Key authentication

Deprecated

• Email/password authentication

---

v0.6.0

Detail	Version
Release Date	Aug 4, 2022
Android Native	v0.4.1
iOS Native	v0.2.0
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Added

• AR Session Recording & Playback Tools

---

v0.5.2

Detail	Version
Release Date	Apr 26, 2022
Android Native	v0.4.1
iOS Native	v0.2.0
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Fixes

• Networking APIs failed to initialize when already receiving synchronization messages.

---

v0.5.1

Detail	Version
Release Date	Feb 17, 2022
Android Native	v0.4.0-alpha-20220104
iOS Native	v0.1.6
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Changes

• Changed to use AR Anchor Manager for Shared Anchors

Fixes

• Fixed unable to distribute iOS build from testflight
• Fixed custom objects directory path

Migration Guide

• ARSharedAnchorManager component now depends on ARAnchorManager, please add ARAnchorManager component on the same game object as ARSharedAnchorManager.

---

v0.5.0

Detail	Version
Release Date	Feb 1, 2022
Android Native	v0.4.0-alpha-20220104
iOS Native	v0.1.6
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7
ARCore XR Plugin	4.1.7

Changes

• Brand new subsystem lifecycle management that mirrors AR Foundation’s lifecycle management.

• ARSharedAnchorManager component that helps setting up relocalization (much!) easier than previous versions.

• Updated samples:

  • Map-based Relocalization Sample
  • Image-based Relocalization Sample
  • Multiplayer Sample

Added

• Import map contents feature. (Require additional package com.pretia.customobjects)
• Support for Unity version 2021.2

---

v0.4.2-rc.2

Detail	Version
Release Date	Dec 3, 2021
Android Native	v0.3.7m (m: mapping enabled)
iOS Native	v0.1.5
ARCore	v1.24.0
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7

Fixes

• Re-enable auto focus on iOS
• Add a null check to prevent NullReferenceException when calling GetSearch2DPoints()
• Calling Frame.SharedAnchor.Reset() before calling Frame.SharedAnchor.StartSearching() will halt the relocalization when it's about to start.

Changes

• Updated iOS native plugins to v0.1.5. This change includes changing intrinsics dynamically at runtime when doing relocalization on iOS, which should give better accuracy for relocalization.

---

v0.4.2-rc.0

Detail	Version
Release Date	Nov 27, 2021
Android Native	v0.3.7m (m: mapping enabled)
iOS Native	v0.1.4
ARCore	v1.24.0
ARFoundation	4.1.7
ARKit XR Plugin	4.1.7

Fixes

• Calling Frame.SharedAnchor.Reset() doesn’t properly close the connection to reloc server on iOS causing crashes
• Calling Frame.SharedAnchor.Reset() doesn’t properly stop the relocalization thread on iOS causing crashes

Changes

• Update ARFoundation to 4.1.7 to fix drifting issue on iOS
• Improve iOS Reloc Accuracy

Added

• Implementation of GetSearch2DPoints in iOS platform

---

v0.4.1-rc.1

Detail	Version
Release Date	Nov 17, 2021
Android Native	v0.3.7m
iOS Native	v0.1.3
ARCore	v1.24.0
ARFoundation	4.0.12
ARKit XR Plugin	4.0.12

Features

• Added new relocalization only sample.

Changes

• Updated error codes.

---

v0.4.1-rc.0

Detail	Version

Detail	Version
Release Date	Oct 30, 2021
Android Native	v0.3.7m
iOS Native	v0.1.3
ARCore	v1.24.0
ARFoundation	4.0.12
ARKit XR Plugin	4.0.12

Features

• Tracking

  • Relocalization methods, such as Image Anchor, Network Map
  • Show Matched Key Points
  • Image tracking
  • Point cloud visualization
  • Plane detection
  • Raycasting on point cloud points and planes
  • Anchor creation, deletion

• Networking

  • Messaging
  • Synchronization
  • Network Spawner
  • Network Snapshot
  • Dynamic IL Weaving
  • Lobby & Match-making

Bug Fixes

• None

Known issues

• None