Update RELEASE_NOTES for 1.15.1 release
diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 25c0c3d..cc4aa8e 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -9,6 +9,37 @@
Current list of bugs and issues can be found at https://issues.apache.org/jira/browse/MADLIB.
—-------------------------------------------------------------------------
+MADlib v1.15.1:
+
+Release Date: 2018-Oct-XX
+
+New features:
+ - Add ubuntu support for MADlib (MADLIB-1256).
+ - Elastic Net: Add grouping by non-numeric column support (MADLIB-1262).
+ - KNN: Accept expressions for point_column_name and test_column_name (MADLIB-1060).
+ - Vec2Cols: Allow arrays of different lengths (MADLIB-1270).
+ - Madpack: Add a script for automating changelist creation.
+
+Bug fixes:
+ - Allocator: Remove 16-byte alignment in GPDB 6.
+ - Build: Download compatible Boost if version >= 1.65 (MADLIB-1235).
+ - Build: Remove primary key constraint in IC/DC.
+ - CMake: Fix false positive for Postgres 10+ check.
+ - Graph: Add id of nodes with 0 in-degree (MADLIB-1279).
+ - Margins: Copy summary table instead of renaming (MADLIB-1276).
+ - MLP: Simplify momentum and Nesterov updates (MADLIB-1272).
+ - Upgrade: Fix issue with upgrading RPM to 1.15.1 (MADLIB-1278).
+ - Utilities: Use plpy.quote_ident if available.
+
+Others:
+ - Simplify maintenance via removing online examples from sql functions (MADLIB-1260).
+ - Re-enable PCA and PageRank tests (MADLIB-1264).
+ - Build: Disable AppendOnly if available ( MADLIB-1273).
+ - Improve documentation of various modules.
+
+
+
+—-------------------------------------------------------------------------
MADlib v1.15:
Release Date: 2018-Aug-15
