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+## v1.8.9 - 2021-03-01
+
+### Fix bugs
+- Fix origin buffer for DocumentHeader and DocumentEnd and Directive
+- Fix origin buffer for anchor value
+- Fix syntax error about map value
+- Fix parsing MergeKey ('<<') characters
+- Fix encoding of float value
+- Fix incorrect column annotation when single or double quotes are used
+
+### New feature
+- Support to encode/decode of ast.Node directly