diff --git a/.gitchangelog.rc b/.gitchangelog.rc
new file mode 100644
index 0000000..77c658e
--- /dev/null
+++ b/.gitchangelog.rc
@@ -0,0 +1,38 @@
+ignore_regexps = [
+    r'@skipChangelog', r'!skipChangelog', r'skipChangeLog', r'!skipChangeLog',
+    r'@deploy', r'!deploy',
+    r'^(.{3,3}\s*:)?\s*[fF]irst commit.?\s*$',
+    r'Merge branch ',
+    r'Merge remote-tracking ',
+    r'^$',  ## ignore commits with empty messages
+]
+
+section_regexps = [
+    ('New', [
+        r'^[nN]ew\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Changes', [
+        r'^[cC]hg\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Fix', [
+        r'^[fF]ix\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Other', None ## Match all lines
+     ),
+]
+
+body_process = ReSub(r'((^|\n)[A-Z]\w+(-\w+)*: .*(\n\s+.*)*)+$', r'') | strip
+
+subject_process = (strip |
+    ReSub(r'^([cC]hg|[fF]ix|[nN]ew)\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n@]*)(@[a-z]+\s+)*$', r'\4') |
+    SetIfEmpty("No commit message.") | ucfirst | final_dot)
+
+tag_filter_regexp = r'^v[0-9]+\.[0-9]+(\.[0-9]+)?$'
+
+unreleased_version_label = "(unreleased)"
+
+output_engine = mustache("markdown")
+
+include_merge = True
+
+revs = []
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..4f90186
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,26 @@
+# Changelog
+
+
+## v1.0.0 (2023-02-20)
+
+### New
+
+* SWC-89 initialize the home site w/ twig config. [Lang]
+
+* SWC-89 initialize the plugin for SW. [Lang]
+
+### Changes
+
+* SWC-89 apply new web design for product list and details. [Lang]
+
+* SWC-89 change the structure from sw plugin to sw theme. [Lang]
+
+### Fix
+
+* SWC-89 replace extends to sw_extends in twigs. [Lang]
+
+### Other
+
+* Initial commit. [lang]
+
+