CHANGELOG.md in yao-0.2.10 vs CHANGELOG.md in yao-0.2.11

@@ -1,4 +1,8 @@
+## v0.2.11
+
+* Some fixes by @hanazuki
+
 ## v0.2.9
 
 * Fix a syntax error in sample.rb vy @hsbt
   * So added a simple syntax check loop by @udzura