🆙 Bump up version number to 0.23.1

CHANGELOG.md

@@ -1,3 +1,9 @@
+# 0.23.1
+- Fix all estimators to return inference results in a contiguous narray.
+- Fix to use until statement instead of recursive call on apply methods of tree estimators.
+- Rename native extension files.
+- Introduce clang-format for native extension codes.
+
 # 0.23.0
 ## Breaking change
 - Change automalically selected solver from sgd to lbfgs in

lib/rumale/version.rb

@@ -3,5 +3,5 @@
 # Rumale is a machine learning library in Ruby.
 module Rumale
   # The version of Rumale you are using.
-  VERSION = '0.23.0'
+  VERSION = '0.23.1'
 end