Lens Studio versions

v4.4 [Sep 21, 2021]
This release integrates new features and innovative improvements that power your creative ambitions. Develop AR environments for Snapchat and third-party platforms.
NEW
- VoiceML: Trigger AR effects and command the Snapchat camera with your spoken words or convert text-driven Lenses to speech with new VoiceML modules:
-- Speech and Command Recognition Module - Transcribe text or define specific keywords that trigger AR effects. This feature has two templates: Speech Recognition Template and Voice UI Template.
-- Text-To-Speech (TTS) Module- Convert text to automated oral speech. This feature has a Text To Speech Template
-- System Voice Commands - Enable In-Lens Voice Commands in Snapchat's Camera Tab such as "Take a Snap" or "Record a Video". Check out the helper in the Asset Library to add this function to your Lens.
- 3D Hand Tracking: Trigger and attach AR effects to hand movements in 3D space. This feature has two templates: 3D Hand Tracking Template - to track 3D hand model to match your left and right hand and 3D Hand Interactions Template - to track 3D hand and create custom interactions
- External Body Mesh: Automatically attach and deform 3D custom meshes with the body pose and shape. This feature comes with Try On Template which allows you to create a set of outfits that automatically deform to any body without a rig.
- 3D Skeleton Display: View and manipulate joints of imported rigged meshes within Lens Studio.
- Upper Body Skin Segmentation: Mask the skin on one’s upper body excluding their clothing and hair. This feature comes with Portrait Skin Segmentation Template
IMPROVEMENTS
- Improved search when adding nodes in VFX graph, Material graph, and visual scripting.
- Ability to sort templates by name and complexity.
- Ability to test single plane tracking of Spectacles 2021 Lenses within Lens Studio Interactive Environment.
- Auto-matching of 3D Body and 3D Hand model joints based on hierarchy.
- Interactive Environment supports Depth Texture.
FIXED
- Various bug fixes and performance improvements.

v4.1 [Jul 28, 2021]
This major Snap release integrates new features and innovative improvements that power your creative ambitions. Develop AR environments for Snapchat and third-party platforms.
NEW
- Installer size reduced from 1.7GB to 600MB, which will lead to faster downloads of Lens Studio.
- Templates are no longer installed, but will need to be downloaded on-demand.
- Lens Size Limit Increase - Increases the Lens size limits from 4MB to 8MB.
- Lens Text Localization - Allows creators to add their own localized text assets to Lens Studio from a JSON file.
- Upper Garment Segmentation - Enables multi-person garment segmentation from garments like shirts, vests, coats, hoodies and dresses.
- Multi-Object Detection - Detect where in the camera certain objects are, and add effects to them.
- Order Independent Transparency - Enables rendering of more complex objects with semi-transparency.
- Scan updates, such as triggers, templates & markers. This will enable 2D bounding box detection of things such as cup, car, dog, cat, bottle, etc.
- Remote Lens push for Spectacles 2021 is enabled.
IMPROVEMENTS
- Texture Compression now supports JPEG.
FIXED
- Various bug fixes and performance improvements.

v3.4 [Mar 5, 2021]
Let your creativity run wild with Lens Studio 3.4! This release includes updates that not only improve your workflow but also allow you to explore limitless creative possibilities with ease
NEW
Multi-Person 3D Full-Body Tracking - overlay virtual outfits, attach virtual objects to your body, or drive animated 3D characters with this new capability. Tracking of several bodies and tracking of partially visible bodies is supported.
Full-Body Segmentation - segmentation mask to apply custom effects to the entire body or background.
Hand Joints Tracking - track the joints of the fingers and the wrist to apply or trigger effects.
Asset Library - access a library of scripts, materials, SnapML models, plugins, audio and more that make it easier to build more complex Lenses!
IMPROVEMENTS
Device Simulation updated to the most recent Snapchat UI.
Interactive Preview in Preview Panel improvements - movement to specific location of a scene, locking Y coordinate of position.
Added the option to overwrite initial project file during project updates
SnapML now loads models asynchronously in order to optimize loading time, either uses a callback function onLoadingFinished or uses a function waitOnLoading
SnapML now supports TensorFlow Lite float/quantized models.
SnapML now supports new Layers - Embedding, RNN, BatchMatMul.
ONNX/TF import – various improvements, learn more in the ML Compatibility table.
Depth data from the iOS LiDAR scanner is applied to Depth Texture, including Depth Enabled Templates
Material Editor improvements as ability to allow using the Bool Parameter node with other relational nodes (such as equal, greater than, etc.) while maintaining its static capabilities, unpack node precision update.
FIXED
Various bug fixes and performance improvements.