diff --git a/docs/README.md b/docs/README.md
index 47aac5282..de7a5fe11 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -30,7 +30,7 @@ conf.py
 extensions = ['myst_parser']
 ```
 
-## gettext で英語記事を作成する
+## gettext 導入
 
 ```
 $ pip install sphinx-intl
@@ -42,6 +42,8 @@ locale_dirs = ['locale/']
 gettext_compact = False
 ```
 
+## gettext 更新
+
 potファイル作成
 ```
 doc$ sphinx-build -M gettext . _pot
diff --git a/docs/conf.py b/docs/conf.py
index e0c2c1b85..8c34dc5f7 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -58,3 +58,5 @@ locale_dirs = ['locale/']
 gettext_compact = False
 
 html_context = {"language": language}
+
+github_url = "https://github.com/vrm-c/UniVRM"
diff --git a/docs/index.md b/docs/index.md
index 8a1c2bf87..a09a88b3b 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,7 +1,6 @@
 # UniVRM Programming Document
 
-これは、開発者(UniVRMを使ったアプリケーションを作成する人)向けのドキュメントです。
-
+これは、[UniVRM](https://github.com/vrm-c/UniVRM) の開発ドキュメントです。
 UnityでVRMをエクスポートする方法などについては [manual](https://vrm.dev/docs/univrm/) を参照してください。
 
 ## 概要
diff --git a/docs/locale/en/LC_MESSAGES/README.po b/docs/locale/en/LC_MESSAGES/README.po
index bfa2d3d48..4ef5ae3fd 100644
--- a/docs/locale/en/LC_MESSAGES/README.po
+++ b/docs/locale/en/LC_MESSAGES/README.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: UniVRM Programming Document \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-09-14 14:37+0900\n"
+"POT-Creation-Date: 2021-10-13 14:20+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -43,18 +43,25 @@ msgid "conf.py"
 msgstr ""
 
 #: ../../README.md:33
-msgid "gettext で英語記事を作成する"
+msgid "gettext 導入"
 msgstr ""
 
 #: ../../README.md:45
+msgid "gettext 更新"
+msgstr ""
+
+#: ../../README.md:47
 msgid "potファイル作成"
 msgstr ""
 
-#: ../../README.md:51
+#: ../../README.md:53
 msgid "poファイルを作成"
 msgstr ""
 
-#: ../../README.md:57
+#: ../../README.md:59
 msgid "ロケールを使ってサイトビルド"
 msgstr ""
 
+#~ msgid "gettext で英語記事を作成する"
+#~ msgstr ""
+
diff --git a/docs/locale/en/LC_MESSAGES/index.po b/docs/locale/en/LC_MESSAGES/index.po
index 016fcbcd6..fb243ae32 100644
--- a/docs/locale/en/LC_MESSAGES/index.po
+++ b/docs/locale/en/LC_MESSAGES/index.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: UniVRM Programming Document \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-10-11 16:50+0900\n"
+"POT-Creation-Date: 2021-10-13 14:45+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -23,86 +23,88 @@ msgid "UniVRM Programming Document"
 msgstr ""
 
 #: ../../index.md:3
-msgid "これは、開発者(UniVRMを使ったアプリケーションを作成する人)向けのドキュメントです。"
-msgstr "This is a document for developer that using UniVRM."
-
-#: ../../index.md:5
+#, fuzzy
 msgid ""
+"これは、[UniVRM](https://github.com/vrm-c/UniVRM) の開発ドキュメントです。 "
 "UnityでVRMをエクスポートする方法などについては [manual](https://vrm.dev/docs/univrm/) "
 "を参照してください。"
 msgstr ""
+"This is the development documentation for [UniVRM] (https://github.com/vrm-c/UniVRM)."
 "Please see [manual](https://vrm.dev/en/docs//univrm/) about how to export"
 " VRM."
 
-#: ../../index.md:7
+#: ../../index.md:6
 msgid "概要"
 msgstr "Overview"
 
-#: ../../index.md:16
+#: ../../index.md:15
 msgid "build"
 msgstr ""
 
-#: ../../index.md:18
+#: ../../index.md:17
 msgid "UniVRMを使うアプリケーションのビルドに関する注意事項"
 msgstr ""
 
-#: ../../index.md:24
+#: ../../index.md:23
 msgid "実装メモ"
 msgstr ""
 
-#: ../../index.md:36
+#: ../../index.md:35
 msgid "glTF"
 msgstr ""
 
-#: ../../index.md:47
+#: ../../index.md:46
 msgid "VRM"
 msgstr ""
 
-#: ../../index.md:61 ../../index.md:80
+#: ../../index.md:60 ../../index.md:79
 msgid "Samples"
 msgstr ""
 
-#: ../../index.md:63
+#: ../../index.md:62
 msgid "SimpleViewer"
 msgstr ""
 
-#: ../../index.md:64
+#: ../../index.md:63
 msgid "RuntimeExporerSample"
 msgstr ""
 
-#: ../../index.md:65
+#: ../../index.md:64
 msgid "FirstPersonSample"
 msgstr ""
 
-#: ../../index.md:66
+#: ../../index.md:65
 msgid "AnimationBridgeSample"
 msgstr ""
 
-#: ../../index.md:68
+#: ../../index.md:67
 msgid "VRM-1.0(β)"
 msgstr ""
 
-#: ../../index.md:82
+#: ../../index.md:81
 msgid "VRM10Viewer"
 msgstr ""
 
-#: ../../index.md:84
+#: ../../index.md:83
 msgid "Release"
 msgstr ""
 
-#: ../../index.md:94
+#: ../../index.md:93
 msgid "Indices and tables"
 msgstr ""
 
-#: ../../index.md:96
+#: ../../index.md:95
 msgid "{ref}`genindex`"
 msgstr ""
 
-#: ../../index.md:97
+#: ../../index.md:96
 msgid "{ref}`modindex`"
 msgstr ""
 
-#: ../../index.md:98
+#: ../../index.md:97
 msgid "{ref}`search`"
 msgstr ""
 
+#~ msgid "これは、開発者(UniVRMを使ったアプリケーションを作成する人)向けのドキュメントです。"
+#~ msgstr "This is a document for developer that using UniVRM."
+
diff --git a/docs/locale/en/LC_MESSAGES/release/055/index.po b/docs/locale/en/LC_MESSAGES/release/055/index.po
new file mode 100644
index 000000000..fd24d32ae
--- /dev/null
+++ b/docs/locale/en/LC_MESSAGES/release/055/index.po
@@ -0,0 +1,36 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) 2021, VRM Consortium
+# This file is distributed under the same license as the UniVRM Programming
+# Document package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2021.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: UniVRM Programming Document \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-10-13 14:20+0900\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.9.1\n"
+
+#: ../../release/055/index.md:1
+msgid "～v0.55: Unity-5.6(.NET-3.5)"
+msgstr ""
+
+#: ../../release/055/index.md:3
+msgid "UnityPackage"
+msgstr ""
+
+#: ../../release/055/index.md:5
+msgid "`UniVRM-0.XX.0_YYYY.unitypackage`"
+msgstr ""
+
+#: ../../release/055/index.md:7
+msgid "Releases"
+msgstr ""
+
diff --git a/docs/locale/en/LC_MESSAGES/release/055/v0.55.0.po b/docs/locale/en/LC_MESSAGES/release/055/v0.55.0.po
index 58f66a450..074f6a7da 100644
--- a/docs/locale/en/LC_MESSAGES/release/055/v0.55.0.po
+++ b/docs/locale/en/LC_MESSAGES/release/055/v0.55.0.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: UniVRM Programming Document \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-10-11 16:50+0900\n"
+"POT-Creation-Date: 2021-10-13 14:20+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -23,68 +23,80 @@ msgid "v0.55.0"
 msgstr ""
 
 #: ../../release/055/v0.55.0.md:3
-msgid "commit: https://github.com/vrm-c/UniVRM/releases/tag/v0.55.0"
+msgid "2019/12/26"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:4
-msgid "milestone: https://github.com/vrm-c/UniVRM/milestone/14?closed=1"
-msgstr ""
-
-#: ../../release/055/v0.55.0.md:6
-msgid "Changelog"
+#: ../../release/055/v0.55.0.md:5
+msgid "ChangeLog"
 msgstr ""
 
 #: ../../release/055/v0.55.0.md:7
-msgid "v0.55.0 (26/12/2019)"
+msgid "<https://github.com/vrm-c/UniVRM/releases/tag/v0.55.0>"
 msgstr ""
 
 #: ../../release/055/v0.55.0.md:8
+msgid "[milestone](https://github.com/vrm-c/UniVRM/milestone/14?closed=1)"
+msgstr ""
+
+#: ../../release/055/v0.55.0.md:10
 msgid ""
 "[**closed**] fix export test "
 "[#359](https://github.com/vrm-c/UniVRM/pull/359)"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:9
+#: ../../release/055/v0.55.0.md:11
 msgid "Exporterのテストを修正"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:10
+#: ../../release/055/v0.55.0.md:12
 msgid ""
 "[**closed**] fix fbx prefab export error "
 "[#358](https://github.com/vrm-c/UniVRM/pull/358)"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:11
+#: ../../release/055/v0.55.0.md:13
 msgid "Projectにあるfbx prefabを選択した状態でExportHumanoidするとエラーが出ていた問題の修正"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:12
+#: ../../release/055/v0.55.0.md:14
 msgid ""
 "[**closed**] ReduceBlendShapeSize cannot be exported without "
 "VRMBlendShapeProxy [#356](https://github.com/vrm-c/UniVRM/pull/356)"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:13
+#: ../../release/055/v0.55.0.md:15
 msgid "VRMBlendShapeProxyコンポーネントが無い場合はReduceBlendShapeSizeオプションでExport出来ないように変更"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:14
+#: ../../release/055/v0.55.0.md:16
 msgid ""
 "[**closed**] Fixed not to output empty children "
 "[#353](https://github.com/vrm-c/UniVRM/pull/353)"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:15
+#: ../../release/055/v0.55.0.md:17
 msgid "GeneratedSerializer 使用時に、node->children が空の場合は出力しないように修正"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:16
+#: ../../release/055/v0.55.0.md:18
 msgid ""
 "[**closed**] fix generateCode Serializer, export unlit  "
 "[#352](https://github.com/vrm-c/UniVRM/pull/352)"
 msgstr ""
 
-#: ../../release/055/v0.55.0.md:17
+#: ../../release/055/v0.55.0.md:19
 msgid "GeneratedSerializer 使用時に、KHR_materials_unlit 拡張がエクスポートされていなかった問題の修正"
 msgstr ""
 
+#~ msgid "commit: https://github.com/vrm-c/UniVRM/releases/tag/v0.55.0"
+#~ msgstr ""
+
+#~ msgid "milestone: https://github.com/vrm-c/UniVRM/milestone/14?closed=1"
+#~ msgstr ""
+
+#~ msgid "Changelog"
+#~ msgstr ""
+
+#~ msgid "v0.55.0 (26/12/2019)"
+#~ msgstr ""
+
diff --git a/docs/locale/en/LC_MESSAGES/release/056/index.po b/docs/locale/en/LC_MESSAGES/release/056/index.po
new file mode 100644
index 000000000..b514c27f5
--- /dev/null
+++ b/docs/locale/en/LC_MESSAGES/release/056/index.po
@@ -0,0 +1,32 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) 2021, VRM Consortium
+# This file is distributed under the same license as the UniVRM Programming
+# Document package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2021.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: UniVRM Programming Document \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-10-13 14:20+0900\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.9.1\n"
+
+#: ../../release/056/index.md:1
+msgid "v0.56～v0.67: Unity-2018.4"
+msgstr ""
+
+#: ../../release/056/index.md:3
+msgid "0.56以降"
+msgstr ""
+
+#: ../../release/056/index.md:5
+msgid "`Unity-2018.4`"
+msgstr ""
+
diff --git a/docs/locale/en/LC_MESSAGES/release/068/index.po b/docs/locale/en/LC_MESSAGES/release/068/index.po
new file mode 100644
index 000000000..07d9b59c9
--- /dev/null
+++ b/docs/locale/en/LC_MESSAGES/release/068/index.po
@@ -0,0 +1,36 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) 2021, VRM Consortium
+# This file is distributed under the same license as the UniVRM Programming
+# Document package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2021.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: UniVRM Programming Document \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-10-13 14:20+0900\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.9.1\n"
+
+#: ../../release/068/index.md:1
+msgid "v0.68～v0.78: Unity-2018.4 (pre release)"
+msgstr ""
+
+#: ../../release/068/index.md:3
+msgid "`.Net-3.5` が無くなって `coRoutine` を `Task` に置き換え"
+msgstr ""
+
+#: ../../release/068/index.md:4
+msgid "glb/gltf に `ScriptedImporter` の導入"
+msgstr ""
+
+#: ../../release/068/index.md:5
+msgid "`Standard` マテリアルの import/export や mipmapパたメーター などの改修"
+msgstr ""
+
diff --git a/docs/locale/en/LC_MESSAGES/release/079/v0.86.0.po b/docs/locale/en/LC_MESSAGES/release/079/v0.86.0.po
index 9433ace22..d630c53dc 100644
--- a/docs/locale/en/LC_MESSAGES/release/079/v0.86.0.po
+++ b/docs/locale/en/LC_MESSAGES/release/079/v0.86.0.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: UniVRM Programming Document \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-10-11 13:45+0900\n"
+"POT-Creation-Date: 2021-10-11 16:50+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -36,7 +36,7 @@ msgstr ""
 msgid ""
 "[[\\#1280](https://github.com/vrm-c/UniVRM/pull/1280)] [1.0] "
 "ヒエラルキーに回転・スケールが含まれているモデルのマイグレーション"
-msgstr ""
+msgstr "Model migration where the hierarchy contains rotations and scales"
 
 #: ../../release/079/v0.86.0.md:6
 msgid ""
@@ -97,18 +97,19 @@ msgid ""
 msgstr ""
 
 #: ../../release/079/v0.86.0.md:18
+#, fuzzy
 msgid ""
 "[[\\#1276](https://github.com/vrm-c/UniVRM/pull/1276)] conf.py "
 "とコマンドラインの評価順ぽい"
-msgstr ""
+msgstr "Fixed again"
 
 #: ../../release/079/v0.86.0.md:19
 msgid "[[\\#1275](https://github.com/vrm-c/UniVRM/pull/1275)] もう一回"
-msgstr ""
+msgstr "Fixed again"
 
 #: ../../release/079/v0.86.0.md:20
 msgid "[[\\#1274](https://github.com/vrm-c/UniVRM/pull/1274)] Sphinx更新"
-msgstr ""
+msgstr "Udpated sphinx"
 
 #: ../../release/079/v0.86.0.md:21
 msgid "[[\\#1272](https://github.com/vrm-c/UniVRM/pull/1272)] fix name"
@@ -118,45 +119,8 @@ msgstr ""
 msgid ""
 "[[\\#1270](https://github.com/vrm-c/UniVRM/pull/1270)] "
 "BvhImporterContext.Parse の引き数間違いを修正"
-msgstr ""
+msgstr "Fixed incorrect argument in BvhImporterContext.Parse"
 
 #: ../../release/079/v0.86.0.md:23
 msgid "[[\\#1269](https://github.com/vrm-c/UniVRM/pull/1269)] fix typo"
 msgstr ""
-
-#~ msgid "v0.86.0: 1.0準備, [1.0]FastSpringBone"
-#~ msgstr ""
-
-#~ msgid ""
-#~ "[[\\#1287](https://github.com/vrm-c/UniVRM/pull/1287)] [1.0] "
-#~ "!isSelf かつ firstPersonOnly のときに "
-#~ "VisibleRenderers から除去する"
-#~ msgstr ""
-
-#~ msgid ""
-#~ "[[\\#1280](https://github.com/vrm-c/UniVRM/pull/1280)] [1.0] "
-#~ "ヒエラルキーに回転・スケールが含まれているモデルのマイグレーション"
-#~ msgstr ""
-
-#~ msgid "その他"
-#~ msgstr ""
-
-#~ msgid "[[\\#1282](https://github.com/vrm-c/UniVRM/pull/1282)] vrm.devから移動"
-#~ msgstr ""
-
-#~ msgid ""
-#~ "[[\\#1276](https://github.com/vrm-c/UniVRM/pull/1276)] conf.py"
-#~ " とコマンドラインの評価順ぽい"
-#~ msgstr ""
-
-#~ msgid "[[\\#1275](https://github.com/vrm-c/UniVRM/pull/1275)] もう一回"
-#~ msgstr ""
-
-#~ msgid "[[\\#1274](https://github.com/vrm-c/UniVRM/pull/1274)] Sphinx更新"
-#~ msgstr ""
-
-#~ msgid ""
-#~ "[[\\#1270](https://github.com/vrm-c/UniVRM/pull/1270)] "
-#~ "BvhImporterContext.Parse の引き数間違いを修正"
-#~ msgstr ""
-
diff --git a/docs/locale/en/LC_MESSAGES/release/index.po b/docs/locale/en/LC_MESSAGES/release/index.po
index 7663fcca9..f4b762829 100644
--- a/docs/locale/en/LC_MESSAGES/release/index.po
+++ b/docs/locale/en/LC_MESSAGES/release/index.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: UniVRM Programming Document \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-10-11 16:50+0900\n"
+"POT-Creation-Date: 2021-10-13 14:36+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -22,47 +22,76 @@ msgstr ""
 msgid "Release"
 msgstr ""
 
-#: ../../release/index.md:3
-msgid "～0.55"
+#: ../../release/index.md
+msgid "バージョン"
+msgstr "Version"
+
+#: ../../release/index.md
+msgid "お勧め"
+msgstr "Recommended"
+
+#: ../../release/index.md
+msgid "Unity"
 msgstr ""
 
-#: ../../release/index.md:5
-msgid "`Unity-5.6`"
+#: ../../release/index.md ../../release/index.md:10
+msgid "v0.79～"
 msgstr ""
 
-#: ../../release/index.md:14
-msgid "0.56以降"
+#: ../../release/index.md
+msgid "最新版"
+msgstr "Latest version"
+
+#: ../../release/index.md
+msgid "Unity-2019.4"
 msgstr ""
 
-#: ../../release/index.md:16
-msgid "`Unity-2018.4`"
+#: ../../release/index.md
+#, fuzzy
+msgid "特に問題が無ければこれ。"
+msgstr "Default"
+
+#: ../../release/index.md
+msgid "v0.68～v0.78"
 msgstr ""
 
-#: ../../release/index.md:25
-msgid "0.68以降 pre release"
+#: ../../release/index.md
+msgid "Unity-2018.4"
 msgstr ""
 
-#: ../../release/index.md:27
-msgid "`.Net-3.5` が無くなって `coRoutine` を `Task` に置き換え"
+#: ../../release/index.md
+#, fuzzy
+msgid "開発版。最新版を使ってください。"
+msgstr "Development version. Please use v0.81 ~"
+
+#: ../../release/index.md
+msgid "v0.56～v0.67"
 msgstr ""
 
-#: ../../release/index.md:28
-msgid "glb/gltf に `ScriptedImporter` の導入"
+#: ../../release/index.md
+msgid "v0.66"
 msgstr ""
 
-#: ../../release/index.md:29
-msgid "`Standard` マテリアルの import/export や mipmapパたメーター などの改修"
+#: ../../release/index.md
+msgid "～v0.55"
 msgstr ""
 
-#: ../../release/index.md:38
-msgid "0.79 以降"
+#: ../../release/index.md
+msgid "v0.55"
 msgstr ""
 
-#: ../../release/index.md:40
+#: ../../release/index.md
+msgid "Unity-5.6(.NET3.5)"
+msgstr ""
+
+#: ../../release/index.md:12
 msgid "`from 0.80`: `Unity-2019.4`"
 msgstr ""
 
-#: ../../release/index.md:41
+#: ../../release/index.md:13
 msgid "`from 0.81`: `UniGLTF_VRMShaders` and `UniVRM` ２パッケージ構成"
-msgstr ""
+msgstr "`from 0.81`: `UniGLTF_VRMShaders` and `UniVRM` 2 package configuration"
 
+#: ../../release/index.md:23
+msgid "Older versions"
+msgstr ""
diff --git a/docs/release/055/index.md b/docs/release/055/index.md
new file mode 100644
index 000000000..b89c2b7f2
--- /dev/null
+++ b/docs/release/055/index.md
@@ -0,0 +1,15 @@
+# ～v0.55: Unity-5.6(.NET-3.5)
+
+## UnityPackage
+
+* `UniVRM-0.XX.0_YYYY.unitypackage`
+
+## Releases
+
+```{toctree}
+:glob:
+:maxdepth: 1
+:reversed:
+
+v*
+```
diff --git a/docs/release/055/v0.55.0.md b/docs/release/055/v0.55.0.md
index 4fa5a8a94..090e56fe6 100644
--- a/docs/release/055/v0.55.0.md
+++ b/docs/release/055/v0.55.0.md
@@ -1,10 +1,12 @@
 # v0.55.0
 
-* commit: https://github.com/vrm-c/UniVRM/releases/tag/v0.55.0
-* milestone: https://github.com/vrm-c/UniVRM/milestone/14?closed=1
+2019/12/26
+
+## ChangeLog
+
+* <https://github.com/vrm-c/UniVRM/releases/tag/v0.55.0>
+* [milestone](https://github.com/vrm-c/UniVRM/milestone/14?closed=1)
 
-## Changelog
-### v0.55.0 (26/12/2019)
 - [**closed**] fix export test [#359](https://github.com/vrm-c/UniVRM/pull/359)
   * Exporterのテストを修正
 - [**closed**] fix fbx prefab export error [#358](https://github.com/vrm-c/UniVRM/pull/358)
diff --git a/docs/release/056/index.md b/docs/release/056/index.md
new file mode 100644
index 000000000..2e81c3402
--- /dev/null
+++ b/docs/release/056/index.md
@@ -0,0 +1,13 @@
+# v0.56～v0.67: Unity-2018.4
+
+## 0.56以降
+
+`Unity-2018.4`
+
+```{toctree}
+:glob:
+:maxdepth: 1
+:reversed:
+   
+056/*
+```
diff --git a/docs/release/068/index.md b/docs/release/068/index.md
new file mode 100644
index 000000000..9051d62d9
--- /dev/null
+++ b/docs/release/068/index.md
@@ -0,0 +1,13 @@
+# v0.68～v0.78: Unity-2018.4 (pre release)
+
+* `.Net-3.5` が無くなって `coRoutine` を `Task` に置き換え
+* glb/gltf に `ScriptedImporter` の導入
+* `Standard` マテリアルの import/export や mipmapパたメーター などの改修
+
+```{toctree}
+:glob:
+:maxdepth: 1
+:reversed:
+   
+v*
+```
diff --git a/docs/release/index.md b/docs/release/index.md
index c71d86b07..85587d853 100644
--- a/docs/release/index.md
+++ b/docs/release/index.md
@@ -1,6 +1,13 @@
 # Release
 
-## 0.79 以降
+| バージョン   | お勧め | Unity              |                                  |
+|--------------|--------|--------------------|----------------------------------|
+| v0.79～      | 最新版 | Unity-2019.4       | 特に問題が無ければこれ。         |
+| v0.68～v0.78 |        | Unity-2018.4       | 開発版。最新版を使ってください。 |
+| v0.56～v0.67 | v0.66  | Unity-2018.4       |                                  |
+| ～v0.55      | v0.55  | Unity-5.6(.NET3.5) |                                  |
+
+## v0.79～
 
 * `from 0.80`: `Unity-2019.4`
 * `from 0.81`: `UniGLTF_VRMShaders` and `UniVRM` ２パッケージ構成
@@ -13,40 +20,12 @@
 079/*
 ```
 
-## 0.68以降 pre release
-
-* `.Net-3.5` が無くなって `coRoutine` を `Task` に置き換え
-* glb/gltf に `ScriptedImporter` の導入
-* `Standard` マテリアルの import/export や mipmapパたメーター などの改修
+## Older versions
 
 ```{toctree}
-:glob:
 :maxdepth: 1
-:reversed:
-   
-068/*
-```
-
-## 0.56以降
-
-`Unity-2018.4`
-
-```{toctree}
-:glob:
-:maxdepth: 1
-:reversed:
-   
-056/*
-```
-
-## ～0.55
-
-`Unity-5.6`
-
-```{toctree}
-:glob:
-:maxdepth: 1
-:reversed:
-   
-055/*
+
+068/index
+056/index
+055/index
 ```