Smalltalk ，被公认为历史上第二个面向对象的程序设计语言，和第一个真正的集成开发环境(IDE)。Smalltalk由Alan Kay，Dan Ingalls，Ted Kaehler，Adele Goldberg等于70年代初在Xerox PARC开发。

Changes:

1. Many bugs were fixed. 
2. gst-package supports downloading from HTTPS URLs. 
3. You can optionally specify a timeout when waiting on a Semaphore. 
4. SCGI support was added in the Swazoo  Web server. 
5. Virtual machine performance was improved on x86-64. 
6. Starting from these release, bundled libraries (libsigsegv, libffi, libltdl) are never preferred over pre-installed libraries

http://www.smalltalk.org/versions/

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