v0.3.0

Canvas & Camera Scaling

• Added Canvas component with 5 scale modes: FixedWidth, FixedHeight, Expand, Shrink, Match
• designResolution and pixelsPerUnit for pixel-perfect 2D layout
• matchWidthOrHeight blending factor for the Match scale mode
• backgroundColor for letterbox / pillarbox fill
• Added Camera.showFrustum property to visualize the camera frustum in the editor

Fixed Timestep

• Fixed schedules (FixedPreUpdate, FixedUpdate, FixedPostUpdate) now execute with a 1/60s accumulator
• A single frame may trigger zero or multiple fixed steps, ensuring deterministic physics regardless of frame rate

Modular Spine Runtime

• Spine runtime is no longer bundled in the engine core
• Standalone WASM modules spine38 and spine42 are loaded on demand via SpinePlugin
• Select the runtime version in Settings → Project → Spine Version (3.8 or 4.2)

Embedded Assets (Playable Builds)

• Added registerEmbeddedAssets() API to inline assets as data URIs
• The editor’s Playable build pipeline uses this automatically to produce single-file output

Unified Settings Dialog

• Merged Project Settings and Preferences into a single settings dialog

Help Menu & Updates

• Improved Help menu with links to documentation and issue tracker
• Toast notification when a new editor version is available

Bug Fixes

• Fixed Spine rendering on WeChat MiniGame platform
• Fixed texture packer omitting certain sprites
• Fixed default camera not being created in new scenes
• Fixed F5 preview not launching in some configurations