diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index 0373e46a1..05aaa801d 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -7,11 +7,18 @@ http://redmine.rubyforge.org/
 
 == xx/xx/2006 v0.4.2
 
-* settings are now stored in the database (config_custom.rb no more used) and editable through the application in: Admin -> Settings
+* Rails 1.2 is now required
+* settings are now stored in the database and editable through the application in: Admin -> Settings (config_custom.rb is no longer used)
+* mail notifications added when a document, a file or an attachment is added
 * tooltips added on Gantt chart and calender to view the details of the issues
+* added missing fields to csv export: priority, start date, due date, done ratio
 * all icons replaced (new icons are based on GPL icon set: "KDE Crystal Diamond 2.5" -by paolino- and "kNeu! Alpha v0.1" -by Pablo Fabregat-)
 * added back "fixed version" field on issue screen and in filters
+* project settings screen split in 4 tabs
 * fixed: subprojects count is always 0 on projects list
+* fixed: setting an issue status as default status leads to an sql error with SQLite
+* fixed: unable to delete an issue status even if it's not used yet
+* fixed: filters ignored when exporting a predefined query to csv/pdf
 
 
 == 01/03/2006 v0.4.1
diff --git a/doc/INSTALL b/doc/INSTALL
index 4afe11ad1..58a9d6298 100644
--- a/doc/INSTALL
+++ b/doc/INSTALL
@@ -7,7 +7,7 @@ http://redmine.rubyforge.org/
 
 == Requirements
 
-* Ruby on Rails 1.1
+* Ruby on Rails 1.2
 * Iconv
 * A database (see compatibility below)
 
diff --git a/doc/UPGRADING b/doc/UPGRADING
index f42b5b352..d36547b3a 100644
--- a/doc/UPGRADING
+++ b/doc/UPGRADING
@@ -5,7 +5,9 @@ Copyright (C) 2006-2007  Jean-Philippe Lang
 http://redmine.rubyforge.org/
 
 
-== From 0.3.0 and above
+Note that Rails 1.2 is required for version 0.4.2 and later
+
+== Upgrading from 0.3.0 and above
 
 1. Uncompress program archive in a new directory:
    tar zxvf <filename>