unity-5.5.2
For some reason I was browsing through old emails and found some old development screenshots of Unity 2.5.
由于某种原因，我浏览了旧的电子邮件，发现了一些Unity 2.5的旧开发屏幕截图。
Unity 2.5 was the first version of the editor running on Windows and eventually was released in March 2009. Some development of it started at end of 2007, just after Unity 2.0 was released. First there was some serious code shuffling, converting from Objective C into C++, refactoring into platform independent interfaces and similar highly invisible stuff.
Unity 2.5是在Windows上运行的编辑器的第一个版本，最终于2009年3月发布。在Unity 2.0发布后的2007年末，它开始了一些开发。 首先，进行了一些严重的代码改组，从Objective C转换为C ++，将其重构为平台无关的接口以及类似的高度不可见的东西。
Here’s the first Unity running on Windows screenshot I could find (this is February 2008):
这是我可以找到的第一个在Windows上运行的Unity屏幕截图(这是2008年2月)：
This was the version dubbed “Can Haz Menus”. However, a couple of days later it was “CanHazGUI” already:
这就是被称为“ Can Haz Menus”的版本。 但是，几天后，它已经是“ CanHazGUI”：
That’s true, whole editor at that time only had a view into the Project, and you could not really do anything with it, except to use the scrollbar. Or maybe collapse and expand the folders – I forget. Things were progressing really fast though. About a week later I sent this status report mail:
没错，当时整个编辑器只能查看该项目，并且除了使用滚动条之外，您实际上无法执行任何操作。 或折叠并展开文件夹–我忘记了。 事情进展得非常快。 大约一周后，我发送了此状态报告邮件：
Working on Windows editor. Not much to say, so I’ll attach a cute picture instead. It’s getting there.
在Windows编辑器上工作。 没什么好说的，所以我会附上一张可爱的照片。 到了那里。
(Back then I was the only person with a working 2.5 for Windows build, and I did work separately from the main office. Occasionally I had to send screenshots as an argument for getting my salary!)
(那时，我是唯一一个使用Windows 2.5可以工作的人，而且我确实与总公司分开工作。有时我不得不发送屏幕截图作为获取薪水的理由！)
…and then came work for Unity 2.1, Unity iPhone, Fusion Fall and whatnot. Work on 2.5 was progressing, but at a bit slower pace. And of course, “getting something on screen” is much less work than “getting it to actually work”.
…然后开始为Unity 2.1 ， Unity iPhone ， Fusion Fall等开发。 2.5的工作正在进行中，但速度稍慢。 当然，“在屏幕上获取某些东西”比“使其实际运行” 要少得多。
Here’s how the Windows editor looked in September 2008:
This was approaching final look of 2.5 already. Of course, occasionally we’d run into funny situations where it did not quite work. For example, at that time if you dropped a refractive glass shader into scene, it would turn the editor into this:
这已经接近2.5的最终外观。 当然，有时我们会遇到一些效果不佳的有趣情况。 例如，在那时，如果将折射玻璃着色器放置到场景中，它将使编辑器变为：
It took another half a year to add all new & missing features, fix a ton of large & small issues until it got to a real release:
花费了半年的时间来添加所有新功能和缺少的功能，解决了许多大大小小的问题，直到真正发布为止：
翻译自: https://blogs.unity3d.com/2009/05/16/blast-from-the-recent-past-unity-25/
unity-5.5.2