# P12 Editor Alpha V0.28.0.0 Release Note

**Published by:** [Project Twelve](https://paragraph.com/@p12/)
**Published on:** 2024-01-15
**URL:** https://paragraph.com/@p12/p12-editor-alpha-v0-28-0-0-release-note

## Content

New Multi-device loginUsers can now log in to the editor simultaneously from up to three devices with the same account.New Global timesteptoggle to enable/disable substepping functionality as needed per project.New Real-time previewsAdded real-time previews for animation poses, character data, and appearances using the preview window.New Voice state APIsAdded voice state APIs and delegates to implement visuals for speaking states.New APIs for pinch/zoom and camera controls New Multi-scene management and switching New Script attachment property display New Frame rate smoothing and client-side animation New "Feedback" option under Help menuOptimization Advanced Vehicle APIExposed setter/getter methods for the Advanced Vehicle API.Optimization* Advanced Vehicles*Added default triggers and interaction proxies properties to Advanced Vehicles.Optimization* World UIs*Converted all world UI to mesh rendering and added backface/distance culling strategies.Optimization* Rich-text Format*UI now supports bold, italic, and bold italic text styles.Optimization Object selection priority logicOptimized object selection priority logic in the designer and added hover previews for upcoming selections.Optimization Object managerOptimized locking and hiding logic in the object manager.Optimization Scene deserializationOptimized scene deserialization phase on the client for loading.Optimization Main scene switchReduced stutter when switching back to the main scene from a prefab.Optimization Mobile model mergingUsed ASTC texture compression for higher quality on mobile model merging.Optimization Resource referenceOptimized resource reference counting and prioritization.Optimization Advanced Vehicle API replacementFollowing the deprecation of the old vehicle logic objects in v0.26, WheeledVehicle4W is no longer supported. Please replace it with AdvancedVehicle; WheeledVehicle4W will be deprecated in v0.29, so please update to the new class name soon.Optimization Increased resource icon resolution Optimization Optimized interface static binding. Optimization Removed unused Mobile project files.

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