diff --git a/.changes/unreleased/.gitkeep b/.changes/unreleased/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/.changes/v1.0.0-rc.1.md b/.changes/v1.0.0-rc.1.md
new file mode 100644
index 0000000..a615859
--- /dev/null
+++ b/.changes/v1.0.0-rc.1.md
@@ -0,0 +1,11 @@
+## v1.0.0-rc.1 (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** rename repository secret variable GITHUB_TOKEN to GH_TOKEN
+
+### Documentations
+
+- update README.md
+
+Full Changelog: [v1.0.0-rc.1](https://github.com/ansidev/sample-gitflow-release-workflows/commits/v1.0.0-rc.1)
diff --git a/.changes/v1.0.1-rc.0.md b/.changes/v1.0.1-rc.0.md
new file mode 100644
index 0000000..4234314
--- /dev/null
+++ b/.changes/v1.0.1-rc.0.md
@@ -0,0 +1,15 @@
+## [v1.0.1-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.0-rc.1...v1.0.1-rc.0) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** rename repository secret variable GITHUB_TOKEN to GH_TOKEN
+
+### Documentations
+
+- update README.md
+
+### Features
+
+- **github-actions:** update workflow using GitHub CLI
+
+Full Changelog: [v1.0.0-rc.1...v1.0.1-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.0-rc.1...v1.0.1-rc.0)
diff --git a/.changes/v1.0.1-rc.1.md b/.changes/v1.0.1-rc.1.md
new file mode 100644
index 0000000..73b2ca5
--- /dev/null
+++ b/.changes/v1.0.1-rc.1.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.1](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.0...v1.0.1-rc.1) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** correct syntax
+
+Full Changelog: [v1.0.1-rc.0...v1.0.1-rc.1](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.0...v1.0.1-rc.1)
diff --git a/.changes/v1.0.1-rc.2.md b/.changes/v1.0.1-rc.2.md
new file mode 100644
index 0000000..3926400
--- /dev/null
+++ b/.changes/v1.0.1-rc.2.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.1...v1.0.1-rc.2) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** add missing checkout step
+
+Full Changelog: [v1.0.1-rc.1...v1.0.1-rc.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.1...v1.0.1-rc.2)
diff --git a/.changes/v1.0.1-rc.3.md b/.changes/v1.0.1-rc.3.md
new file mode 100644
index 0000000..9d8ab67
--- /dev/null
+++ b/.changes/v1.0.1-rc.3.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.3](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.2...v1.0.1-rc.3) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** remove invalid command flag
+
+Full Changelog: [v1.0.1-rc.2...v1.0.1-rc.3](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.2...v1.0.1-rc.3)
diff --git a/.changes/v1.0.1-rc.4.md b/.changes/v1.0.1-rc.4.md
new file mode 100644
index 0000000..cf76af1
--- /dev/null
+++ b/.changes/v1.0.1-rc.4.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.4](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.3...v1.0.1-rc.4) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** fix fail steps and refactor code
+
+Full Changelog: [v1.0.1-rc.3...v1.0.1-rc.4](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.3...v1.0.1-rc.4)
diff --git a/.changes/v1.0.1-rc.5.md b/.changes/v1.0.1-rc.5.md
new file mode 100644
index 0000000..49d6e48
--- /dev/null
+++ b/.changes/v1.0.1-rc.5.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.5](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.4...v1.0.1-rc.5) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** revert wrong changes
+
+Full Changelog: [v1.0.1-rc.4...v1.0.1-rc.5](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.4...v1.0.1-rc.5)
diff --git a/.changes/v1.0.1-rc.6.md b/.changes/v1.0.1-rc.6.md
new file mode 100644
index 0000000..b0dcb03
--- /dev/null
+++ b/.changes/v1.0.1-rc.6.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.6](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.5...v1.0.1-rc.6) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** correct command flag value
+
+Full Changelog: [v1.0.1-rc.5...v1.0.1-rc.6](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.5...v1.0.1-rc.6)
diff --git a/.changes/v1.0.1-rc.7.md b/.changes/v1.0.1-rc.7.md
new file mode 100644
index 0000000..515f769
--- /dev/null
+++ b/.changes/v1.0.1-rc.7.md
@@ -0,0 +1,7 @@
+## [v1.0.1-rc.7](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.6...v1.0.1-rc.7) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** fix failed command gh pr create
+
+Full Changelog: [v1.0.1-rc.6...v1.0.1-rc.7](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.6...v1.0.1-rc.7)
diff --git a/.changes/v1.0.2-rc.0.md b/.changes/v1.0.2-rc.0.md
new file mode 100644
index 0000000..851bc31
--- /dev/null
+++ b/.changes/v1.0.2-rc.0.md
@@ -0,0 +1,11 @@
+## [v1.0.2-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.7...v1.0.2-rc.0) (2023-02-13)
+
+### Features
+
+- **workflow-release:** auto create merge commit for PR on merging
+
+- **workflow-release:** auto merge PR after creating ([#18](https://github.com/ansidev/sample-gitflow-release-workflows/issues/18))
+
+- **workflow-release:** auto merge PR after creating
+
+Full Changelog: [v1.0.1-rc.7...v1.0.2-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.1-rc.7...v1.0.2-rc.0)
diff --git a/.changes/v1.0.2.md b/.changes/v1.0.2.md
new file mode 100644
index 0000000..f5cc93b
--- /dev/null
+++ b/.changes/v1.0.2.md
@@ -0,0 +1,11 @@
+## [v1.0.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.2-rc.0...v1.0.2) (2023-02-13)
+
+### Bug Fixes
+
+- **github-actions:** fix PR body
+
+### Documentations
+
+- update README.md
+
+Full Changelog: [v1.0.2-rc.0...v1.0.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.2-rc.0...v1.0.2)
diff --git a/.changes/v1.1.0-rc.0.md b/.changes/v1.1.0-rc.0.md
new file mode 100644
index 0000000..639ed72
--- /dev/null
+++ b/.changes/v1.1.0-rc.0.md
@@ -0,0 +1,17 @@
+## [v1.1.0-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.2...v1.1.0-rc.0) (2023-02-14)
+
+### Bug Fixes
+
+- **workflow-draft_release_hotfix_pr:** ignore creating PR if it exists, add custom PR description
+
+- **workflow-draft_release_hotfix_pr:** correct syntax
+
+### Documentations
+
+- update README.md
+
+### Features
+
+- **workflow-draft-release-hotfix-pr:** add new workflow for auto creating draft pr on pushing release or hotfix branch
+
+Full Changelog: [v1.0.2...v1.1.0-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.0.2...v1.1.0-rc.0)
diff --git a/.changes/v1.1.0-rc.1.md b/.changes/v1.1.0-rc.1.md
new file mode 100644
index 0000000..22a31d6
--- /dev/null
+++ b/.changes/v1.1.0-rc.1.md
@@ -0,0 +1,19 @@
+## [v1.1.0-rc.1](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.0...v1.1.0-rc.1) (2023-02-14)
+
+### Bug Fixes
+
+- **workflow-draft-release-hotfix-pr:** fix PR is missing label `pre-release`
+
+- **workflow-draft-release-hotfix-pr:** correct wrong logic
+
+### Documentations
+
+- update README.md
+
+### Features
+
+- **workflow-auto-merge-release-hotfix-into-develop:** add new workflow for auto merging release/hotfix into develop ([#26](https://github.com/ansidev/sample-gitflow-release-workflows/issues/26))
+
+- **workflow-auto-merge-release-hotfix-into-develop:** add new workflow for auto merging release/hotfix into develop
+
+Full Changelog: [v1.1.0-rc.0...v1.1.0-rc.1](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.0...v1.1.0-rc.1)
diff --git a/.changes/v1.1.0-rc.2.md b/.changes/v1.1.0-rc.2.md
new file mode 100644
index 0000000..f6743fb
--- /dev/null
+++ b/.changes/v1.1.0-rc.2.md
@@ -0,0 +1,13 @@
+## [v1.1.0-rc.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.1...v1.1.0-rc.2) (2023-02-14)
+
+### Bug Fixes
+
+- **workflow-auto-merge-release-hotfix-into-develop:** set environment variable `GH_TOKEN`
+
+- **workflow-draft-release-hotfix-pr:** fix PR is missing label `pre-release`
+
+### Documentations
+
+- **readme:** add reference documentations
+
+Full Changelog: [v1.1.0-rc.1...v1.1.0-rc.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.1...v1.1.0-rc.2)
diff --git a/.changes/v1.1.0-rc.3.md b/.changes/v1.1.0-rc.3.md
new file mode 100644
index 0000000..685c050
--- /dev/null
+++ b/.changes/v1.1.0-rc.3.md
@@ -0,0 +1,7 @@
+## [v1.1.0-rc.3](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.2...v1.1.0-rc.3) (2023-02-14)
+
+### Bug Fixes
+
+- **workflow-auto-merge-release-hotfix-into-develop:** add missing step checkout repository
+
+Full Changelog: [v1.1.0-rc.2...v1.1.0-rc.3](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.2...v1.1.0-rc.3)
diff --git a/.changes/v1.1.0.md b/.changes/v1.1.0.md
new file mode 100644
index 0000000..040fae8
--- /dev/null
+++ b/.changes/v1.1.0.md
@@ -0,0 +1,3 @@
+## [v1.1.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.3...v1.1.0) (2023-02-14)
+
+Full Changelog: [v1.1.0-rc.3...v1.1.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0-rc.3...v1.1.0)
diff --git a/.changes/v1.1.1-rc.0.md b/.changes/v1.1.1-rc.0.md
new file mode 100644
index 0000000..cebbcf3
--- /dev/null
+++ b/.changes/v1.1.1-rc.0.md
@@ -0,0 +1,9 @@
+## [v1.1.1-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0...v1.1.1-rc.0) (2023-02-14)
+
+### Bug Fixes
+
+- **workflow-draft-release-hotfix-pr:** correct bash syntax
+
+- **workflow-release:** set the release as pre-release depending on the version
+
+Full Changelog: [v1.1.0...v1.1.1-rc.0](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.0...v1.1.1-rc.0)
diff --git a/.changes/v1.1.1.md b/.changes/v1.1.1.md
new file mode 100644
index 0000000..e81296b
--- /dev/null
+++ b/.changes/v1.1.1.md
@@ -0,0 +1,3 @@
+## [v1.1.1](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.1-rc.0...v1.1.1) (2023-02-14)
+
+Full Changelog: [v1.1.1-rc.0...v1.1.1](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.1-rc.0...v1.1.1)
diff --git a/.changes/v1.1.2.md b/.changes/v1.1.2.md
new file mode 100644
index 0000000..5485cab
--- /dev/null
+++ b/.changes/v1.1.2.md
@@ -0,0 +1,11 @@
+## [v1.1.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.1...v1.1.2) (2023-02-15)
+
+### Documentations
+
+- **changelog:** change format of CHANGELOG.md
+
+### Features
+
+- **dev-tool:** add git-chglog config
+
+Full Changelog: [v1.1.1...v1.1.2](https://github.com/ansidev/sample-gitflow-release-workflows/compare/v1.1.1...v1.1.2)
diff --git a/.changie.yaml b/.changie.yaml
new file mode 100644
index 0000000..4d049cb
--- /dev/null
+++ b/.changie.yaml
@@ -0,0 +1,13 @@
+changesDir: .changes
+unreleasedDir: unreleased
+headerPath: ../.chglog/CHANGELOG_HEADER.tpl.md
+changelogPath: CHANGELOG.md
+versionExt: md
+newlines:
+  afterChangelogHeader: 0
+  beforeChangelogVersion: 1
+  endOfVersion: 1
+replacements:
+  - path: "VERSION"
+    find: ".*"
+    replace: "{{.VersionNoPrefix}}"
diff --git a/.chglog/CHANGELOG.tpl.md b/.chglog/CHANGELOG.tpl.md
index 0227b3e..9b23422 100755
--- a/.chglog/CHANGELOG.tpl.md
+++ b/.chglog/CHANGELOG.tpl.md
@@ -1,11 +1,5 @@
-# Changelog
-
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org).
-
-{{ range .Versions }}
-## {{ if .Tag.Previous }}[{{ .Tag.Name }}]{{ else }}{{ .Tag.Name }}{{ end }} ({{ datetime "2006-01-02" .Tag.Date }})
+{{ range .Versions -}}
+## {{ if .Tag.Previous }}[{{ .Tag.Name }}]({{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}){{ else }}{{ .Tag.Name }}{{ end }} ({{ datetime "2006-01-02" .Tag.Date }})
 {{ range .CommitGroups }}
 ### {{ .Title }}
 {{ range .Commits }}
@@ -22,12 +16,4 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 {{ end -}}
 {{ end }}
 Full Changelog: {{ if .Tag.Previous }}[{{ .Tag.Previous.Name }}...{{ .Tag.Name }}]({{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}){{ else }}[{{ .Tag.Name }}]({{ $.Info.RepositoryURL }}/commits/{{ .Tag.Name }}){{ end }}
-{{ end }}
-
-{{- if .Versions }}
-{{ range .Versions -}}
-{{ if .Tag.Previous -}}
-[{{ .Tag.Name }}]: {{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}
-{{ end -}}
 {{ end -}}
-{{ end -}}
\ No newline at end of file
diff --git a/.chglog/CHANGELOG_HEADER.tpl.md b/.chglog/CHANGELOG_HEADER.tpl.md
new file mode 100644
index 0000000..537ab21
--- /dev/null
+++ b/.chglog/CHANGELOG_HEADER.tpl.md
@@ -0,0 +1,5 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org).
diff --git a/.gitignore b/.gitignore
index d7bb2d6..e69de29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +0,0 @@
-Taskfile.yaml
diff --git a/Taskfile.yaml b/Taskfile.yaml
new file mode 100644
index 0000000..4012ebb
--- /dev/null
+++ b/Taskfile.yaml
@@ -0,0 +1,66 @@
+# https://taskfile.dev
+
+version: "3"
+
+env:
+  TAG_PREFIX: v
+  CHANGES_DIR: .changes
+
+tasks:
+  prepare:
+    desc: Install tools
+    cmds:
+      - go install github.com/git-chglog/git-chglog/cmd/git-chglog@latest
+      - go install github.com/miniscruff/changie@latest
+
+  batch-changelog:
+    desc: Generate changelog for existing git tags
+    cmds:
+      - rm ${CHANGES_DIR}/${TAG_PREFIX}*.md || true
+      - for VERSION_TAG in $(git -c 'versionsort.suffix=-' tag --list --sort=v:refname); do git-chglog --output ${CHANGES_DIR}/${VERSION_TAG}.md ${VERSION_TAG} ; done
+    silent: true
+
+  changelog:
+    desc: Generate changelog for an existing version
+    vars:
+      VERSION_TAG: ${TAG_PREFIX}{{.CLI_ARGS}}
+    cmds:
+      - git-chglog --output ${CHANGES_DIR}/{{.VERSION_TAG}}.md {{.VERSION_TAG}}
+    silent: true
+
+  changelog-next:
+    desc: Generate changelog for a new version
+    vars:
+      VERSION_TAG: ${TAG_PREFIX}{{.CLI_ARGS}}
+    cmds:
+      - git-chglog --output ${CHANGES_DIR}/{{.VERSION_TAG}}.md --next-tag {{.VERSION_TAG}}
+    silent: true
+
+  bump-version:
+    desc: Bump version
+    cmds:
+      - echo {{.CLI_ARGS}} > VERSION
+    silent: true
+
+  commit-release:
+    desc: Create release commit
+    vars:
+      VERSION_TAG: ${TAG_PREFIX}{{.CLI_ARGS}}
+    cmds:
+      - git add ${CHANGES_DIR}
+      - git add CHANGELOG.md
+      - git add VERSION
+      - |
+        git commit -m "chore(release): {{.VERSION_TAG}}"
+    silent: true
+
+  release:
+    desc: Generate release commit
+    vars:
+      VERSION_TAG: ${TAG_PREFIX}{{.CLI_ARGS}}
+    cmds:
+      - echo "Releasing version {{.VERSION_TAG}}"
+      - task changelog-next -- {{.CLI_ARGS}}
+      - task bump-version -- {{.CLI_ARGS}}
+      - task commit-release -- {{.CLI_ARGS}}
+    silent: true