Having multiple problems, RC3, everything I do takes 10X as long.

I am pulling my hair out here,
Win 8.1 64 bit Unity Pro..same project I have been on for 8 months..
Updated to latest version RC3(I skipped RC1/2)..Some internal process was added, some new background thread, what ever it is, unity editor, just sits there frozen,for long periods of time, then reacts,

• I select a scene object, the inspector now takes 5 secs to display the components,
• When I open my projects, it takes 3-5 min..
• When I rebake/bake 3 1024 UI texture atlas.2 mins..when I hit play..up to 4 minutes..of nothing..then normal play and frame rate...
• Every time I hit save scene, the editor fires all my public UI Methods (all my buttons get an OnClick event- causing editor errors,every time, all day, every day-it gets really annoying fast (my player is spawned and does not exist in edit mode, even when I just come back from another window).ie:
  NullReferenceException: Object reference not set to an instance of an object
  PlayerUIControls.engine_off ()
• I get this error every 5 mins...and I know those files are deleted:Refresh case sensitivity failure. Asset: Assets/Models/Textures/Thumbs.db ; Metafile: Assets/Models/Textures/Thumbs.db.meta

This is not the same software I used last week., something is very wrong..after 2.5 years, never has it been this slow..how could I be the only one?? My Machine-the same, the project-the same..I will have to go back to an earlier version, to actually work with unity..I am stuck, I have dropped 3 gigs out my project, thinking that might be the problem, nope..Same exact behavior

(my machines specs and performance are all the same, the only change was Unity 4.6 RC3)
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What, are you kidding? he means the built in bug reporter feature and not forum posts which could attract trolls.

 

It is the Canvas Scaler component, introduced in Unity 4.6 latest build, RC3..it is trying to create font atlas sprites for all my text, all 18 languages...all the time..this requires a lot of ram, the less ram available, the slower unity editor response, also, Sprite Packer will also, grab huge amounts of ram., the more sprites, the more it has to go thru the virtual list, causing the editor to 'freeze' (it is just thinking!! - solution - turn off sprite packer, buy Texture Packer Pro, it just faster..period..

 

I just had to get some feedback, to make sure it was worth 'Bug' status...still not sure, but pretty sure it close to this: Canvas Scaler component, introduced in Unity 4.6 latest build, RC3..it is trying to create font atlas sprites for all text, and is not playing nice with Sprite Packer - 'On' all the time setting..

Code (CSharp):

1. ArgumentOutOfRangeException: Argument is out of range.
2. Parameter name: index
3. System.Collections.Generic.List`1[UnityEngine.UI.ICanvasElement].get_Item (Int32 index) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Collections.Generic/List.cs:633)
4. UnityEngine.UI.CanvasUpdateRegistry.PerformUpdate () (at C:/BuildAgent/work/d63dfc6385190b60/Extensions/guisystem/guisystem/UI/Core/CanvasUpdateRegistry.cs:107)
5. UnityEngine.Canvas.SendWillRenderCanvases () (at C:/BuildAgent/work/d63dfc6385190b60/artifacts/EditorGenerated/UICanvasBindings.cs:152)
6. UnityEngine.Canvas.ForceUpdateCanvases () (at C:/BuildAgent/work/d63dfc6385190b60/artifacts/EditorGenerated/UICanvasBindings.cs:153)
7. UnityEditor.DrivenRectTransformUndo.ForceUpdateCanvases () (at C:/BuildAgent/work/d63dfc6385190b60/Editor/Mono/DrivenRectTransformUndo.cs:17)
8. UnityEditor.Undo.Internal_CallWillFlushUndoRecord () (at C:/BuildAgent/work/d63dfc6385190b60/artifacts/EditorGenerated/UndoBindings.cs:152)

And I can not get out of this loop!! I deleted 1 sprite..and now the virtual sprite atlas, is corrupted..breaking my UI and hours of work..on a final release..

Code (CSharp):

1. Trying to add Damage_Panel (UnityEngine.UI.Image) for graphic rebuild while we are already inside a graphic rebuild loop. This is not supported.
2. UnityEngine.CanvasRenderer:RequestRefresh()

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