Update Changelog

Author: pandamicro

CHANGELOG.txt

@@ -1,5 +1,44 @@
 ChangeLog:
 
+Cocos2d-JS v3.4 Beta0 @ March 19 2015
+
+* Added Windows Phone 8.0 platform support.
+* Upgraded SpiderMonkey to v33, greatly improved JS object garbage collection and performance.
+* Bound 3D modules including camera, light, sprite 3d, animation 3d, billboard, etc.
+* Improved `cc.FontDefinition` & `ccui.RichText` in the web engine.
+* Added gradient stops feature to `cc.LayerGradient` [Web exclusive].
+* Upgraded `cc.Scheduler` in the web engine with Cocos2d-x v3.4 implementation.
+* Added a loading screen when scripts are loading.
+* Improved performance by replacing `Object.defineProperties` with `cc.defineGetterSetter`.
+* Supported loading sprite frames from json object.
+* Refactored math library to improve web engine performance.
+* Removed some variables from `cc` namespace to improve web engine performance.
+* Added the Firefox OS Web manifest to support Firefox OS apps.
+* Added `cocos` attr to the script element in templates.
+* Moved loading.js to res folder for Cocos Console release mode.
+
+* Bug fixes:
+    1. Added `getSpriteFrame` to `cc.Sprite` to fix API inconsistency.
+    2. Added `getObejct` to `cc.TMXObjectGroup` to fix API inconsistency.
+    3. Added `addImageAsync` to `cc.textureCache` to fix API inconsistency.
+    4. Fixed a bug of `cc.text` that its default font name is incorrect. 
+    5. Fixed a bug of `ccui.PageView` that its `getPage` doesn't work.
+    6. Fixed a bug of `ccui.ImageView` that its `loadTexture` doesn't work while it's invoked multiple times at the same frame.
+    7. Fixed a bug of `ccui` that its load event callbacks have some mistakes.
+    8. Fixed a bug of `cc.Layer` that its bake function doesn't work when the layer has a parent node.
+    9. Fixed typos in `cc.ClippingNode.WebGLRenderCmd` and `cc.ParticleSystem.WebGLRenderCmd` creation.
+    10. Fixed a bug of `cc.Sprite` in `setTextureRect`. 
+    11. Fixed a bug of `cc.Screen`.
+    12. Fixed a bug of `cc.view` that it doesn't work on iOS 8.1.2.
+    13. Fixed a bug of cc.DrawNode that its lineWidth is always to default value when set linewidth to zero. 
+    14. Fixed a bug in hack for particles performance on canvas. 
+    15. Fixed a bug of `cc.audioEngine` that it doesn't work after minified/compiled.
+    16. Fixed a bug in `CCBoot.js` that WebGL is not activated in web view of iOS 8. 
+    17. Fixed a bug of `cc.CheckBox` that its position is incorrect when its texture isn't preloaded.
+    18. Fixed a bug of `cc.TMXLayer` that it stops to work after `setTileGID` called.
+    19. Fixed a bug of Cocos parser 2.x that it doesn't set widget's LayoutComponent.
+    20. Fixed a bug of `cc.isObject` that it considered function as an object.
+
 Cocos2d-JS v3.3 @ Feb.9, 2015
 
 * Upgraded spine runtime to support the latest version and updated its test case.