Python 3.3.0 正式版跳票了，原计划 22 日发布正式版的，结果等来了一个 RC3 ，该版本改进记录请看：
http://hg.python.org/cpython/file/v3.3.0rc3/Misc/NEWS
下载地址：
- Bzipped source tar ball (3.3.0rc3) (sig), ~ 14 MB
- XZ compressed source tar ball (3.3.0rc3) (sig), ~ 11 MB
- Gzipped source tar ball (3.3.0rc3) (sig), ~ 16 MB
- Windows x86 MSI Installer (3.3.0rc3) (sig) and Visual Studio debug information files (sig)
- Windows X86-64 MSI Installer (3.3.0rc3) (sig)
- Mac OS X 64-bit/32-bit Installer (3.3.0rc3) for Mac OS X 10.6 and later (sig). [You may need an updated Tcl/Tk install to run IDLE or use Tkinter, see note 2 for instructions.]
- Mac OS X 32-bit i386/PPC Installer (3.3.0rc3) for OS X 10.5 and later (sig)
正式版计划于本月 29 日发布。