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added some additional notes to the 2.0.0 update notes to highlight so…

…me of the potential gotchas, fixes #588
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1 parent 12e93fe commit caa1db64141cc8bfbdbe3a4f6f7b639331d5d3ba @derekjones derekjones committed Oct 18, 2011
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  1. +2 −0 user_guide_src/source/changelog.rst
  2. +52 −0 user_guide_src/source/installation/upgrade_200.rst
@@ -323,6 +323,8 @@ Bug fixes for 2.0.1
- Fixed a bug (Reactor #69) where the SHA1 library was named
incorrectly.
+.. _2.0.0-changelog:
+
Version 2.0.0
=============
@@ -5,6 +5,10 @@ Upgrading from 1.7.2 to 2.0.0
Before performing an update you should take your site offline by
replacing the index.php file with a static one.
+*******************
+Update Instructions
+*******************
+
Step 1: Update your CodeIgniter files
=====================================
@@ -88,3 +92,51 @@ Step 8: Update your user guide
Please replace your local copy of the user guide with the new version,
including the image files.
+
+
+************
+Update Notes
+************
+
+Please refer to the :ref:`2.0.0 Change Log <2.0.0-changelog>` for full
+details, but here are some of the larger changes that are more likely to
+impact your code:
+
+- CodeIgniter now requires PHP 5.1.6.
+- Scaffolding has been removed.
+- The CAPTCHA plugin in now a :doc:`helper </helpers/captcha_helper>`.
+- The JavaScript calendar plugin was removed.
+- The *system/cache* and *system/logs* directories are now in the application
+ directory.
+- The Validation class has been removed. Please see the
+ :doc:`Form Validation library </libraries/form_validation>`
+- "default" is now a reserved name.
+- The xss_clean() function has moved to the :doc:`Security Class
+ </libraries/security>`.
+- do_xss_clean() now returns FALSE if the uploaded file fails XSS checks.
+- The :doc:`Session Class </libraries/sessions>` requires now the use of an
+ encryption key set in the config file.
+- The following deprecated Active Record functions have been removed:
+ ``orwhere``, ``orlike``, ``groupby``, ``orhaving``, ``orderby``,
+ ``getwhere``.
+- ``_drop_database()`` and ``_create_database()`` functions have been removed
+ from the db utility drivers.
+- The ``dohash()`` function of the :doc:`Security helper
+ </helpers/security_helper>`
+ has been renamed to ``do_hash()`` for naming consistency.
+
+The config folder
+=================
+
+The following files have been changed:
+
+- config.php
+- database.php
+- mimes.php
+- routes.php
+- user_agents.php
+
+The following files have been added:
+
+- foreign_chars.php
+- profiler.php

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