diff --git a/alliance/CHANGES b/alliance/CHANGES
index 61615773..10c25c8e 100644
--- a/alliance/CHANGES
+++ b/alliance/CHANGES
@@ -5,10 +5,70 @@
 # E-mail support     : mailto:alliance-support@asim.lip6.fr
 # ftp site           : ftp://ftp-asim.lip6.fr/pub/alliance/
 #
-# $Id: CHANGES,v 1.7 2000/02/02 16:43:24 czo Exp $
+# $Id: CHANGES,v 1.8 2002/02/13 15:33:07 czo Exp $
 
 This document lists the main differences between each Alliance's revisions.
 
+
+
+--------------------------------------------------------------------------------
+
+ALLIANCE revision 4.9.0 (2002/02/14)
+
+1/ New tools
+
+Place and Route:
+ocp and ocr replace scr.
+
+2/ This is pre-release 5.0 version.
+    We have decided to remove in Alliance 5.0 all tools, libs, cell 
+    libs and documentation wich doesn't work or are obsolete :
+
+    removed tools:
+    ali algue amg bbr bop bsg c4map dlx_asm dlx_asm_v0_2 dpr fpgen fpmap
+    genscan genview genview_cc1 genview_cpp genview_gcc glop grog k2f l2p
+    mips_asm obsolete_bop obsolete_genscan obsolete_glop obsolete_scmap pocpag
+    rage rfg rsa scmap scr sicc xvpn
+
+    removed cells:
+    amg bsg dplib fplib grog padlib rage rf2lib rfg rflib rsa sc2sxlib sclib
+
+--------------------------------------------------------------------------------
+
+ALLIANCE revision 4.5.0 (2001/10/11)
+
+1/ New tools
+
+Datapath:
+dpgen replaces fpgen and dpr is dead
+
+Synthesys :
+    boom replaces bop
+    boog replaces scmap
+    loon replaces glop
+
+scanpath: 
+    scapin replace genscan
+
+2/ AP and AL format :
+    new layers, new transistors
+
+--------------------------------------------------------------------------------
+
+ALLIANCE revision 4.0.9 (2001/02/21)
+
+1/ SXlib (man sxlib)
+   is now the default standard cells library. sclib will be thrown away
+   some day...
+
+2/ New Tools for place and route with silicon ensemble : (to replace scr)
+    a2def
+    a2lef
+    def2a
+    sea
+    seplace
+    seroute
+   
 --------------------------------------------------------------------------------
 
 ALLIANCE release 4.0.6 (01/02/2000)