Reorg and add to the version-specific section

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@13481 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/doc/UPGRADE b/doc/UPGRADE
index 3fa665c3e7f310c57732c93dae2b09989cca855f..c7b38b8cb33fcada941ee709577adc7caa9efd13 100644 (file)
--- a/doc/UPGRADE
+++ b/doc/UPGRADE
@@ -293,15 +293,11 @@ just one example using Apache's Redirect directive:
 9. Version-specific upgrade issues
 ==================================
 
-Upgrading from any version older than 1.2.2 to version 1.2.2 or later
----------------------------------------------------------------------
+Upgrading from the 1.4 release series to the 1.5 release series
+---------------------------------------------------------------
 
-The names used by some translations were changed starting in version 1.2.2.
-In most cases, you won't see any problems due to this change, however,
-the Norwegian Nynorsk (no_NO_ny) translation might need to be fixed.  If
-you decide to retain the same preferences from your old installation, any
-users who have a "language" preference set to "no_NO_ny" will need to
-have it manually changed to "nn_NO".
+The plugin API changed substantially in version 1.5.2.  At the least,
+you should NOT copy your old plugins when making this kind of upgrade.
 
 Upgrading from the 1.2 release series to the 1.4 release series
 ---------------------------------------------------------------
@@ -326,3 +322,20 @@ preserved if you use the same user preferences, although we discourage the
 use of the same preference sets between major release numbers (e.g., 1.4.x
 and 1.5.x).
 
+Upgrading from any version older than 1.2.2 to version 1.2.2 or later
+---------------------------------------------------------------------
+
+The names used by some translations were changed starting in version 1.2.2.
+In most cases, you won't see any problems due to this change, however,
+the Norwegian Nynorsk (no_NO_ny) translation might need to be fixed.  If
+you decide to retain the same preferences from your old installation, any
+users who have a "language" preference set to "no_NO_ny" will need to
+have it manually changed to "nn_NO".
+
+Upgrading from any version older than 1.0.5 to version 1.0.5 or later
+---------------------------------------------------------------------
+
+Some important security upgrades were made to the preferences system
+in version 1.0.5.  It is NOT recommended that you retain user preferences
+when upgrading from versions older than 1.0.5.
+