CHANGELOG.md in motion-prime-0.5.1 vs CHANGELOG.md in motion-prime-0.5.2

@@ -1,4 +1,7 @@
+=== 0.5.2
+* fix bugs.
+
 === 0.5.1
 * configurations and style definitions runs in correct order.
 
 === 0.5.0
 * renamed Prime::BaseModel to Prime::Model.
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