diff --git a/Release_Notes.md b/Release_Notes.md
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@@ -1,3 +1,11 @@
+02/29/2020: PALISADE v1.9.0 (development) is released
+
+* Adds multiple low-level optimizations, including improved Number Theoretic Transform
+* Adds a CMake install package for PALISADE
+* Improves the security and performance of the PRE implementations for BFV, BGV, and CKKS homomorphic encryption schemes
+* Updates selected parameter sets for FHEW to reduce the probability of decryption error
+* Includes multiple bug fixes for the issues reported by the PALISADE community
+
 01/30/2020: PALISADE v1.8.0 (development) is released
 
 * Adds the Gama-Izabachene-Nguyen-Xie (GINX) bootstrapping to the FHEW implementation