Новое в Unity 2.5:

• В Unity 2.5 добавлена полная поддержка Windows Vista,Windows XP и Mac OS X платформ
• Улучшено юзабилити.
• Добавлена возможность импорта 3ds Max файлов.
• Полный редизайн интерфейса.
• Более точные инструменты навигации и привязок.
• Полностью настраиваемый Редактор.
• Более информативные диалоги.
• Графика и шейдеры:
  
  • Мультипотоковый скиннинг мэша.
  • Runtime DXT компрессия.
  • Поддержка LOD (Level of Detail) для шейдеров.
  • RenderQueue может быть установлен пер-материально при помощи скрипта.
  • Оптимизирован рендеринг.
  • Компиляция шейдеров проходит в 3 раза быстрее.
  • Добавлены #pragma exclude_renderers и #pragma only_renderers директивы компилятора шейдеров.
  • Оптимизирован UnityGUI рендеринг.
  • NVPerfHUD поддерживается в Windows играх.
• WEB плеер
  
  • Поддержка браузера Google Chrome.
  • Поддержка браузера Internet Explorer 8.
  • Более стабильная частота кадров в Windows Web Players.
• Редактор
  
  • Полностью переписан клиентский интерфейс Asset Server.
  • Просмотрщик сцены может визуализировать текстуры с повышенным и оптимальным разрешением.
  • Обновлены библиотеки импорта FBX.
  • Пользовательские настройки FBX будут уитываться при работе скриптов пост-обработки.
  • Добавлен режим работы Global для инструментов трансформации.
  • Окно статистики в виде Game отображает время кадра и количество кадров в секунду.
  • В "Настройки" добавлена опция "Show Project Wizard when launching".
  • Программа запоминает предпочитаемый сторонний редактор скриптов/изображений.
  • В настройки "Ландшафт" добавлена опция "Terrain wind tint color".
  • Добавлен gizmo для Spring Joint.
  • Настройка по-умолчанию "Recalculate Normals" отключена в импортере мэша.
  • Добавлен индикатор прогресса для импорта/экспорта.
• Другие улучшения
  • Application.targetFrameRate - для установки максимального количества кадров в сек.
  • AnimationClipCurveData воспринимается как переменная.
  • Улучшения в работе UnityGUI текстовых полей.
  • На 64-битной версии Windows стало возможно выделять до 4 Гб памяти.
  • Некоторые изменения в системе лицензирования.

Исправления:

• Fixed Character Kerning inspector for custom fonts.
• Fix error message when importing Font from a FAT32 filesystem on OS X
• Fixed Rotate tool handle location changing with complex hierarchies when it's in Center mode.
• Fixed Joints that are connected to themselves.
• Fixed Mac vs. PC byte orders in terrain .raw files being swapped.
• Mass Place Trees is properly undoable.
• Switch texture format to one that has alpha channel when Generate Alpha from Grayscale is enabled.
• priority parameter for MenuItem attribute actually works now.
• Fixed crash when importing some TrueType fonts.
• Error Pause in the console works for script exceptions.
• In Cubemap inspector you can create cubemap from skybox images without having to mirror them.
• Gizmos.color and Gizmos.matrix are reset before calling any gizmo functions.
• Fixed importing progress bar for movies without audio.
• Fixed terrain lightmap shaders not working in editor on some old cards (e.g. GeForce 2).
• Mesh importer was putting random values into normals and tangents of unused vertices.

• OS X web player correctly clips the game area if it does not fit on screen.
• Work around a bug in Vista + Internet Explorer 8 (RC1) where going fullscreen hangs up the browser. Now fullscreen is disabled there :(
• Work around Firefox 3.0.x scripting interface bug on OS X that made some games not work.
• Fixed non-focused web players able to read keyboard input.
• Fixed OS X web player flicker while scrolling in Firefox.

• Fixed Camera.RenderWithShader in some cases messing up image effects if called from inside of OnPreRender.
• Fixed Water becoming blocky on some Intel cards when game is running for many hours. Update Standard Assets and Pro Standard Assets to get the fix!
• GUI.DrawTexture fixes: can handle non power of two render textures; fixed 50% opacity when there's no other UnityGUI used; correctly takes GUI.BeginGroup clipping rectangles into account.
• Rendering Stats window gathers any rendering done during Update and other functions. Rendering through GL class is captured now as well.
• Reported VRAM size should be more robust now on OS X (previously was reporting 256MB for some 512MB cards).
• Fixed Texture2D.ReadPixels being upside down when reading from render textures on Windows.
• Fixed TexGen ObjectLinear not producing correct texture Z coordinate.
• Fixed Movie Textures leaking some memory.
• Fixed occasional movie playback crash when movie is more tall than wide and is not power of two in size.
• Fixed Camera.SetReplacementShader not taking the tag value into account.
• Fixed particle rendering in orthographic scene view.
• Fixed large GUI areas clipping off last pixel row/column on Radeon HD graphics cards.
• Fixed crash in Graphics.DrawMeshNow if there is no current camera.
• Fixed setting mesh.triangles corrupting data when mesh has multiple submeshes and you set a smaller triangle array.

• Much better documentation for Editor scripting API.
• Attributes are on a separate page in scripting reference.
• Fixed scripting reference search not finding some words (e.g. Mathf.Sign)
• Fixed broken links in printable documentation (printable.html)

• Unicode love:
  • Various Unicode character input fixes for Unity GUI.
  • Standalone Windows games can launch from Unicode paths or when Project Name contains Unicode characters.
  • Fixed Paste with some Unicode strings not working.
  • Fixed Font.HasCharacter() for some characters.
• Seeking in compressed audio (with .time) now works and with a much better precision.
• Animation fixes:
  • Fixed Animation.Sample() not working if animation was not playing before.
  • Fixed Animation.CrossFade and Stop not clearing out queued animations.
  • Fixed Animation.IsPlaying for queued animations.
• Fixed Application.loadedLevel being initially -1 in players.
• Fixed Mesh.tangents producing null reference exception if mesh had no normals nor tangents.
• Fixed EventType.ScrollWheel delta values being about 100x too large on Windows compared to OS X (now they match OS X).
• Fixed copying text into clipboard producing extra ASCII zero character at the end on OS X.
• Fix unrecognized keys (like volume up/down on some keyboards) triggeting unrelated input axes on Windows.
• Fixed Mathf.Ceil and Mathf.CeilToInt returning next integer number if the argument was integer already. D'oh!
• Fixed audio playback from streamed Ogg files.
• Fixed crash when streamed video download is cancelled.
• Fixed terrain tree colliders for terrains that aren't placed at zero.
• Fixed MovieTexture playback issue.

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