diff --git a/NEWS b/NEWS
index dd3d305fe..7fffeb807 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,53 @@
 Copyright 2001 - 2021 by Joe Taylor, K1JT.
 
 
+	        Release: WSJT-X 2.5.1
+	              Oct 23, 2021
+	        ----------------------
+
+This release  mainly contains improvements and  defect repairs related
+to  Q65  and  JT65  mode  when used  with  non-standard  and  compound
+calls. Also included  is a new feature for  microwave aircraft scatter
+and a number of defect repairs detected since the 2.5.0 GA release.
+
+ - Support for 10GHz  Aircraft Scatter contributed by  Rex, VK7MO, and
+   Roger, W3SZ. See  Rex Moncur, VK7MO et al "10  GHz Terrestrial with
+   Q65" DUBUS Vol 1/2021 page 64.
+
+ - Repair a defect that failed to pre-load  the DE and DX calls to the
+   hash lookup tables in the Q65 decoder.
+
+ - Repair standard  message Tx4  and Tx5 generation  in Q65  mode when
+   using a non-standard call.
+
+ - Repair a defect  in generation of the standard Tx2  JT65 message in
+   EME mode when using a compound call.
+
+ - Repair  a defect  when  decoding 77-bit  type  4 non-standard  call
+   message.
+
+ - Repair a defect that could cause a crash when switching from Q65 to
+   JT65 mode and attempting a double-click decode.
+
+ - Enable  'q3' AP  decoding in  Q65  mode for  messages containing  a
+   non-standard call.
+
+ - Repair a defect that required a non-blank DX Grid to achieve Q65
+   'q3' decodes of messages containing a non-standard call.
+
+ - Repair the logic that enables Q65 "Deep" decoding.
+
+ - In Q65 mode, allow 'q2' decodes when MyCall is compound or
+   non-standard.
+
+ - Repair  a  long-standing  defect  that could  cause  a  crash  when
+   reference spectrum correction is enabled.
+
+ - Updated UI translations from Xavi, EA3W, Oba-san, JA7UDE, and a new
+   translation for Traditional Chinese by Steven, BU2EL.
+
+ - Updated CTY.DAT database, tnx to Jim AD1C
+ 
 	        Release: WSJT-X 2.5.0
 	              Sept 27, 2021
 	        -------------------------
diff --git a/Release_Notes.txt b/Release_Notes.txt
index 0c1d23b2b..2df7cae57 100644
--- a/Release_Notes.txt
+++ b/Release_Notes.txt
@@ -12,6 +12,53 @@
 Copyright 2001 - 2021 by Joe Taylor, K1JT.
 
 
+	        Release: WSJT-X 2.5.1
+	              Oct 23, 2021
+	        ----------------------
+
+This release  mainly contains improvements and  defect repairs related
+to  Q65  and  JT65  mode  when used  with  non-standard  and  compound
+calls. Also included  is a new feature for  microwave aircraft scatter
+and a number of defect repairs detected since the 2.5.0 GA release.
+
+ - Support for 10GHz  Aircraft Scatter contributed by  Rex, VK7MO, and
+   Roger, W3SZ. See  Rex Moncur, VK7MO et al "10  GHz Terrestrial with
+   Q65" DUBUS Vol 1/2021 page 64.
+
+ - Repair a defect that failed to pre-load  the DE and DX calls to the
+   hash lookup tables in the Q65 decoder.
+
+ - Repair standard  message Tx4  and Tx5 generation  in Q65  mode when
+   using a non-standard call.
+
+ - Repair a defect  in generation of the standard Tx2  JT65 message in
+   EME mode when using a compound call.
+
+ - Repair  a defect  when  decoding 77-bit  type  4 non-standard  call
+   message.
+
+ - Repair a defect that could cause a crash when switching from Q65 to
+   JT65 mode and attempting a double-click decode.
+
+ - Enable  'q3' AP  decoding in  Q65  mode for  messages containing  a
+   non-standard call.
+
+ - Repair a defect that required a non-blank DX Grid to achieve Q65
+   'q3' decodes of messages containing a non-standard call.
+
+ - Repair the logic that enables Q65 "Deep" decoding.
+
+ - In Q65 mode, allow 'q2' decodes when MyCall is compound or
+   non-standard.
+
+ - Repair  a  long-standing  defect  that could  cause  a  crash  when
+   reference spectrum correction is enabled.
+
+ - Updated UI translations from Xavi, EA3W, Oba-san, JA7UDE, and a new
+   translation for Traditional Chinese by Steven, BU2EL.
+
+ - Updated CTY.DAT database, tnx to Jim AD1C
+ 
 	        Release: WSJT-X 2.5.0
 	              Sept 27, 2021
 	        -------------------------