diff --git a/README.md b/README.md
index 9b646c642..3235dc469 100644
--- a/README.md
+++ b/README.md
@@ -304,7 +304,7 @@ JDimで追加された不具合や機能の修正については[Pull requests][
 ## 著作権
 
 © 2017-2019 yama-natuki [https://github.com/yama-natuki/JD]  
-© 2019-2021 JDimproved project [https://github.com/JDimproved/JDim]
+© 2019-2022 JDimproved project [https://github.com/JDimproved/JDim]
 
 パッチやファイルを取り込んだ場合、それらのコピーライトは「JDimproved project」に統一します。
 
diff --git a/docs/index.md b/docs/index.md
index a6c812079..2ede64e61 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -37,7 +37,7 @@ layout: default
 - [JDim 0.1.0-20190122](./link-20190122)
 - [JD 2.8.9-150226][jd-289] (jd4linux)
 
-© 2019-2021 JDimproved project
+© 2019-2022 JDimproved project
 
 [dis592]: https://github.com/JDimproved/JDim/discussions/592
 [wiki-faq]: https://ja.osdn.net/projects/jd4linux/wiki/FAQ
diff --git a/docs/manual/2021.md b/docs/manual/2021.md
index 8bbd3924e..43f39c397 100644
--- a/docs/manual/2021.md
+++ b/docs/manual/2021.md
@@ -8,84 +8,6 @@ layout: default
 ## {{ page.title }}
 
 
-<a name="0.7.0-unreleased"></a>
-### [0.7.0-unreleased](https://github.com/JDimproved/JDim/compare/344da3bdc1...master) (unreleased)
-- Bump version to 0.7.0-beta
-  ([#888](https://github.com/JDimproved/JDim/pull/888))
-- readme: Update example cpu for compiler optimization
-  ([#887](https://github.com/JDimproved/JDim/pull/887))
-- `Post`: Fix cookie check for posting
-  ([#886](https://github.com/JDimproved/JDim/pull/886))
-- miscutil: Fix percent encoding to use uppercase
-  ([#885](https://github.com/JDimproved/JDim/pull/885))
-- `Loader`: Correct HTTP header position in request
-  ([#884](https://github.com/JDimproved/JDim/pull/884))
-- `History_Manager`: Remove unused `replace_current_url_viewhistory()`
-  ([#883](https://github.com/JDimproved/JDim/pull/883))
-- `BoardViewBase`: Remove unused member function `redraw_scrollbar()`
-  ([#882](https://github.com/JDimproved/JDim/pull/882))
-- `DrawAreaBase`: Remove unused member function `is_separator_on_screen()`
-  ([#881](https://github.com/JDimproved/JDim/pull/881))
-- `Loader`: Use `reinterpret_cast` instead of C-style pointer casting
-  ([#880](https://github.com/JDimproved/JDim/pull/880))
-- `Root`: Rename local variable to avoid shadow function
-  ([#879](https://github.com/JDimproved/JDim/pull/879))
-- miscutil: Fix dereference invalid iterator
-  ([#878](https://github.com/JDimproved/JDim/pull/878))
-- `BBSListViewBase`: Use `std::find_if()` instead of range based for
-  ([#877](https://github.com/JDimproved/JDim/pull/877))
-- manual: Add note for cache directory creation
-  ([#876](https://github.com/JDimproved/JDim/pull/876))
-- board: Improve dialog layout for displaying cookie and keyword
-  ([#875](https://github.com/JDimproved/JDim/pull/875))
-- Implement User-Agent configuration for board
-  ([#874](https://github.com/JDimproved/JDim/pull/874))
-- `EditTreeView`: Add const qualifier to function parameter
-  ([#873](https://github.com/JDimproved/JDim/pull/873))
-- Add const qualifier to local variable found by cppcheck
-  ([#871](https://github.com/JDimproved/JDim/pull/871))
-- Use `set_value` function instead of `operator[]` part2
-  ([#870](https://github.com/JDimproved/JDim/pull/870))
-- miscutil: Fix heap buffer overflow
-  ([#869](https://github.com/JDimproved/JDim/pull/869))
-- `MouseKeyPref`: Use `set_value` function instead of `operator[]`
-  ([#868](https://github.com/JDimproved/JDim/pull/868))
-- `Root`: Fix known condition true/false
-  ([#867](https://github.com/JDimproved/JDim/pull/867))
-- `BoardViewLog`: Fix known condition true/false
-  ([#866](https://github.com/JDimproved/JDim/pull/866))
-- font: Fix known condition true/false
-  ([#865](https://github.com/JDimproved/JDim/pull/865))
-- `CheckUpdate_Manager`: Update iterator for loop
-  ([#864](https://github.com/JDimproved/JDim/pull/864))
-- `JDTreeViewBase`: Update iterator for loop
-  ([#863](https://github.com/JDimproved/JDim/pull/863))
-- `SKELETON::ToolBar`: Update iterator for loop
-  ([#862](https://github.com/JDimproved/JDim/pull/862))
-- `EditTreeView`: Update iterator for loop
-  ([#861](https://github.com/JDimproved/JDim/pull/861))
-- `CompletionEntry`: Update iterator for loop
-  ([#860](https://github.com/JDimproved/JDim/pull/860))
-- `BackForwardButton`: Update iterator for loop
-  ([#859](https://github.com/JDimproved/JDim/pull/859))
-- `Admin`: Update iterator for loop
-  ([#858](https://github.com/JDimproved/JDim/pull/858))
-- `DrawAreaBase`: Improve performance for drawing `Pango::GlyphString`
-  ([#857](https://github.com/JDimproved/JDim/pull/857))
-- session: Update iterator for loop
-  ([#856](https://github.com/JDimproved/JDim/pull/856))
-- `Search_Manager`: Update iterator for loop
-  ([#855](https://github.com/JDimproved/JDim/pull/855))
-- `Post`: Update iterator for loop
-  ([#854](https://github.com/JDimproved/JDim/pull/854))
-- `Log_Manager`: Fix iterator loop
-  ([#853](https://github.com/JDimproved/JDim/pull/853))
-- menuslots: Update iterator for loop
-  ([#852](https://github.com/JDimproved/JDim/pull/852))
-- playsound: Remove `__has_include` macro for `<alsa/asoundlib.h>`
-  ([#851](https://github.com/JDimproved/JDim/pull/851))
-
-
 <a name="0.6.0-20211106"></a>
 ### [0.6.0-20211106](https://github.com/JDimproved/JDim/compare/JDim-v0.6.0...344da3bdc1) (2021-11-06)
 - Update histories
diff --git a/docs/manual/2022.md b/docs/manual/2022.md
new file mode 100644
index 000000000..c694d1d6f
--- /dev/null
+++ b/docs/manual/2022.md
@@ -0,0 +1,86 @@
+---
+title: 更新履歴(2022年)
+layout: default
+---
+
+&gt; [Top](../) &gt; [更新履歴]({{ site.baseurl }}/history/) &gt; {{ page.title }}
+
+## {{ page.title }}
+
+
+<a name="0.7.0-unreleased"></a>
+### [0.7.0-unreleased](https://github.com/JDimproved/JDim/compare/344da3bdc1...master) (unreleased)
+- Bump version to 0.7.0-beta
+  ([#888](https://github.com/JDimproved/JDim/pull/888))
+- readme: Update example cpu for compiler optimization
+  ([#887](https://github.com/JDimproved/JDim/pull/887))
+- `Post`: Fix cookie check for posting
+  ([#886](https://github.com/JDimproved/JDim/pull/886))
+- miscutil: Fix percent encoding to use uppercase
+  ([#885](https://github.com/JDimproved/JDim/pull/885))
+- `Loader`: Correct HTTP header position in request
+  ([#884](https://github.com/JDimproved/JDim/pull/884))
+- `History_Manager`: Remove unused `replace_current_url_viewhistory()`
+  ([#883](https://github.com/JDimproved/JDim/pull/883))
+- `BoardViewBase`: Remove unused member function `redraw_scrollbar()`
+  ([#882](https://github.com/JDimproved/JDim/pull/882))
+- `DrawAreaBase`: Remove unused member function `is_separator_on_screen()`
+  ([#881](https://github.com/JDimproved/JDim/pull/881))
+- `Loader`: Use `reinterpret_cast` instead of C-style pointer casting
+  ([#880](https://github.com/JDimproved/JDim/pull/880))
+- `Root`: Rename local variable to avoid shadow function
+  ([#879](https://github.com/JDimproved/JDim/pull/879))
+- miscutil: Fix dereference invalid iterator
+  ([#878](https://github.com/JDimproved/JDim/pull/878))
+- `BBSListViewBase`: Use `std::find_if()` instead of range based for
+  ([#877](https://github.com/JDimproved/JDim/pull/877))
+- manual: Add note for cache directory creation
+  ([#876](https://github.com/JDimproved/JDim/pull/876))
+- board: Improve dialog layout for displaying cookie and keyword
+  ([#875](https://github.com/JDimproved/JDim/pull/875))
+- Implement User-Agent configuration for board
+  ([#874](https://github.com/JDimproved/JDim/pull/874))
+- `EditTreeView`: Add const qualifier to function parameter
+  ([#873](https://github.com/JDimproved/JDim/pull/873))
+- Add const qualifier to local variable found by cppcheck
+  ([#871](https://github.com/JDimproved/JDim/pull/871))
+- Use `set_value` function instead of `operator[]` part2
+  ([#870](https://github.com/JDimproved/JDim/pull/870))
+- miscutil: Fix heap buffer overflow
+  ([#869](https://github.com/JDimproved/JDim/pull/869))
+- `MouseKeyPref`: Use `set_value` function instead of `operator[]`
+  ([#868](https://github.com/JDimproved/JDim/pull/868))
+- `Root`: Fix known condition true/false
+  ([#867](https://github.com/JDimproved/JDim/pull/867))
+- `BoardViewLog`: Fix known condition true/false
+  ([#866](https://github.com/JDimproved/JDim/pull/866))
+- font: Fix known condition true/false
+  ([#865](https://github.com/JDimproved/JDim/pull/865))
+- `CheckUpdate_Manager`: Update iterator for loop
+  ([#864](https://github.com/JDimproved/JDim/pull/864))
+- `JDTreeViewBase`: Update iterator for loop
+  ([#863](https://github.com/JDimproved/JDim/pull/863))
+- `SKELETON::ToolBar`: Update iterator for loop
+  ([#862](https://github.com/JDimproved/JDim/pull/862))
+- `EditTreeView`: Update iterator for loop
+  ([#861](https://github.com/JDimproved/JDim/pull/861))
+- `CompletionEntry`: Update iterator for loop
+  ([#860](https://github.com/JDimproved/JDim/pull/860))
+- `BackForwardButton`: Update iterator for loop
+  ([#859](https://github.com/JDimproved/JDim/pull/859))
+- `Admin`: Update iterator for loop
+  ([#858](https://github.com/JDimproved/JDim/pull/858))
+- `DrawAreaBase`: Improve performance for drawing `Pango::GlyphString`
+  ([#857](https://github.com/JDimproved/JDim/pull/857))
+- session: Update iterator for loop
+  ([#856](https://github.com/JDimproved/JDim/pull/856))
+- `Search_Manager`: Update iterator for loop
+  ([#855](https://github.com/JDimproved/JDim/pull/855))
+- `Post`: Update iterator for loop
+  ([#854](https://github.com/JDimproved/JDim/pull/854))
+- `Log_Manager`: Fix iterator loop
+  ([#853](https://github.com/JDimproved/JDim/pull/853))
+- menuslots: Update iterator for loop
+  ([#852](https://github.com/JDimproved/JDim/pull/852))
+- playsound: Remove `__has_include` macro for `<alsa/asoundlib.h>`
+  ([#851](https://github.com/JDimproved/JDim/pull/851))
diff --git a/docs/manual/about.md b/docs/manual/about.md
index 6545770fe..7236cab82 100644
--- a/docs/manual/about.md
+++ b/docs/manual/about.md
@@ -27,7 +27,7 @@ JDimはGPLv2の下で公開されている [JD][] からforkしたソフトウ
 <a name="copyright"></a>
 ### 著作権
 © 2017-2019 [yama-natuki][]  
-© 2019-2021 [JDimproved project][repository]
+© 2019-2022 [JDimproved project][repository]
 
 パッチやファイルを取り込んだ場合、それらのコピーライトは「JDimproved project」に統一します。
 
diff --git a/docs/manual/history.md b/docs/manual/history.md
index 53f860e8e..fa50cec39 100644
--- a/docs/manual/history.md
+++ b/docs/manual/history.md
@@ -7,6 +7,7 @@ layout: default
 
 ## {{ page.title }}
 
+- [2022年]({{ site.baseurl }}/2022/)
 - [2021年]({{ site.baseurl }}/2021/)
 - [2020年]({{ site.baseurl }}/2020/)
 - [2019年]({{ site.baseurl }}/2019/) ... JDimproved project
diff --git a/src/jdversion.h b/src/jdversion.h
index ce30df7a3..58653bbf5 100644
--- a/src/jdversion.h
+++ b/src/jdversion.h
@@ -17,7 +17,7 @@
 #define MAJORVERSION 0
 #define MINORVERSION 7
 #define MICROVERSION 0
-#define JDDATE_FALLBACK    "20211225"
+#define JDDATE_FALLBACK    "20220103"
 #define JDTAG     "beta"
 
 //---------------------------------
@@ -25,7 +25,7 @@
 #define JDCOMMENT "JDim (JD improved) は gtkmm/GTK+ を用いた2chブラウザです。"
 #define JDCOPYRIGHT "(c) 2006-2015 JD project" "\n" \
                     "(c) 2017-2019 yama-natuki" "\n" \
-                    "(c) 2019-2021 JDimproved project"
+                    "(c) 2019-2022 JDimproved project"
 #define JDBBS CONFIG::get_url_jdhp()+"cgi-bin/bbs/support/"
 #define JD2CHLOG CONFIG::get_url_jdhp()+"old2ch/"
 #define JDHELP "https://jdimproved.github.io/JDim/"