<?xml version="1.0"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><title>Twisted Documentation: Upgrading to Twisted 2.0</title><link href="../../howto/stylesheet.css" type="text/css" rel="stylesheet" /></head><body bgcolor="white"><h1 class="title">Upgrading to Twisted 2.0</h1><div class="toc"><ol></ol></div><div class="content"><span></span><ul><li><a href="split.html"> The Twisted Split FAQ </a>: why was Twisted split into multiple packages? </li><li><a href="components.html"> Components changes </a>: Twisted now uses Zope Interfaces rather than its own component system. </li></ul></div><p><a href="../../howto/index.html">Index</a></p><span class="version">Version: 2.5.0</span></body></html>