Plone ranks in the top 2% of all open source projects in the world, is developed by 340 core developers, and is used by more than 300 solution providers in 57 countries. Actively developed since 2001, the project supports over 40 languages (including Simplified Chinese) and has the best security record among mainstream CMSs.
The Plone CMS Windows installation version uses exe packaging and integrates the python operating environment. You can debug the website after installation.
Plone CMS v4.2 Changes:
New collections
Rules-based theming with Diazo
Other enhancements in Plone 4.2:
A simple way to test mail server settings using a form in the mail settings control panel
HTML5 support
A unified interface for listing content or representations of content (such as catalog brains). This makes it possible to widely reuse templates for content listings without modifying them.
Simplified, easier-to-scan search results, including the ability to search within a section, sorting options, and links to items' locations on the site
Plone's installers will now use Python 2.7 by default. However, Plone will retain support for Python 2.6.