Update UPGRADING with python requirements.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39892 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/UPGRADING b/UPGRADING
index a9866fce80038671e33da580374ab621cc97450c..74bb0127da12dd110345ecba121037e595484f1c 100644 (file)
--- a/UPGRADING
+++ b/UPGRADING
@@ -1,6 +1,12 @@
-How do I upgrade my existing LyX system to version 2.0.x?
+How do I upgrade my existing LyX system to version 2.1.x?
 ---------------------------------------------------------
 
+* Upgrading from LyX 2.0.x:
+
+Python version >=2.4 is now required.
+
+Python version >3.0 is still not yet supported.
+
 * Upgrading from LyX 1.6.x:
 
 The format of preference and session files has changed. LyX 2.0.x is