Update cheat sheets and json schema

9 files changed, 44 insertions, 0 deletions

diff --git a/docs/keybindings/Keybindings_en.md b/docs/keybindings/Keybindings_en.md
index b5dc93898..f7aaa46c8 100644
--- a/docs/keybindings/Keybindings_en.md
+++ b/docs/keybindings/Keybindings_en.md
@@ -52,6 +52,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>d</kbd>: Discard this commit's changes to this file
   <kbd>o</kbd>: Open file
   <kbd>e</kbd>: Edit file
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: Toggle file included in patch
   <kbd>a</kbd>: Toggle all files included in patch
   <kbd>&lt;enter&gt;</kbd>: Enter file to add selected lines to the patch (or toggle directory collapsed)
@@ -98,6 +99,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View reset options
   <kbd>c</kbd>: Copy commit (cherry-pick)
   <kbd>C</kbd>: Copy commit range (cherry-pick)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View selected item's files
   <kbd>/</kbd>: Search the current view by text
 </pre>
@@ -132,6 +134,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View upstream reset options
   <kbd>D</kbd>: View reset options
   <kbd>`</kbd>: Toggle file tree view
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: Open external merge tool (git mergetool)
   <kbd>f</kbd>: Fetch
   <kbd>/</kbd>: Search the current view by text
@@ -245,6 +248,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: Copy commit (cherry-pick)
   <kbd>C</kbd>: Copy commit range (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View commits
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -312,6 +316,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: Copy commit (cherry-pick)
   <kbd>C</kbd>: Copy commit range (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View selected item's files
   <kbd>/</kbd>: Search the current view by text
 </pre>
diff --git a/docs/keybindings/Keybindings_ja.md b/docs/keybindings/Keybindings_ja.md
index 3b7ef6991..a5a54b872 100644
--- a/docs/keybindings/Keybindings_ja.md
+++ b/docs/keybindings/Keybindings_ja.md
@@ -70,6 +70,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: コミットをコピー (cherry-pick)
   <kbd>C</kbd>: コミットを範囲コピー (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View selected item's files
   <kbd>/</kbd>: 検索を開始
 </pre>
@@ -117,6 +118,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View reset options
   <kbd>c</kbd>: コミットをコピー (cherry-pick)
   <kbd>C</kbd>: コミットを範囲コピー (cherry-pick)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View selected item's files
   <kbd>/</kbd>: 検索を開始
 </pre>
@@ -129,6 +131,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>d</kbd>: Discard this commit's changes to this file
   <kbd>o</kbd>: ファイルを開く
   <kbd>e</kbd>: ファイルを編集
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: Toggle file included in patch
   <kbd>a</kbd>: Toggle all files included in patch
   <kbd>&lt;enter&gt;</kbd>: Enter file to add selected lines to the patch (or toggle directory collapsed)
@@ -204,6 +207,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View upstream reset options
   <kbd>D</kbd>: View reset options
   <kbd>`</kbd>: ファイルツリーの表示を切り替え
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: Git mergetoolを開く
   <kbd>f</kbd>: Fetch
   <kbd>/</kbd>: 検索を開始
@@ -344,6 +348,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: コミットをコピー (cherry-pick)
   <kbd>C</kbd>: コミットを範囲コピー (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: コミットを閲覧
   <kbd>/</kbd>: Filter the current view by text
 </pre>
diff --git a/docs/keybindings/Keybindings_ko.md b/docs/keybindings/Keybindings_ko.md
index 02b5db76e..fc7291c4b 100644
--- a/docs/keybindings/Keybindings_ko.md
+++ b/docs/keybindings/Keybindings_ko.md
@@ -57,6 +57,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: 커밋을 복사 (cherry-pick)
   <kbd>C</kbd>: 커밋을 범위로 복사 (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 커밋 보기
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -87,6 +88,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: 커밋을 복사 (cherry-pick)
   <kbd>C</kbd>: 커밋을 범위로 복사 (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View selected item's files
   <kbd>/</kbd>: 검색 시작
 </pre>
@@ -281,6 +283,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View reset options
   <kbd>c</kbd>: 커밋을 복사 (cherry-pick)
   <kbd>C</kbd>: 커밋을 범위로 복사 (cherry-pick)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View selected item's files
   <kbd>/</kbd>: 검색 시작
 </pre>
@@ -293,6 +296,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>d</kbd>: Discard this commit's changes to this file
   <kbd>o</kbd>: 파일 닫기
   <kbd>e</kbd>: 파일 편집
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: Toggle file included in patch
   <kbd>a</kbd>: Toggle all files included in patch
   <kbd>&lt;enter&gt;</kbd>: Enter file to add selected lines to the patch (or toggle directory collapsed)
@@ -343,6 +347,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View upstream reset options
   <kbd>D</kbd>: View reset options
   <kbd>`</kbd>: 파일 트리뷰로 전환
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: Git mergetool를 열기
   <kbd>f</kbd>: Fetch
   <kbd>/</kbd>: 검색 시작
diff --git a/docs/keybindings/Keybindings_nl.md b/docs/keybindings/Keybindings_nl.md
index e1bddf929..c2d81a06d 100644
--- a/docs/keybindings/Keybindings_nl.md
+++ b/docs/keybindings/Keybindings_nl.md
@@ -67,6 +67,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: Bekijk upstream reset opties
   <kbd>D</kbd>: Bekijk reset opties
   <kbd>`</kbd>: Toggle bestandsboom weergave
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: Open external merge tool (git mergetool)
   <kbd>f</kbd>: Fetch
   <kbd>/</kbd>: Start met zoeken
@@ -120,6 +121,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>d</kbd>: Uitsluit deze commit zijn veranderingen aan dit bestand
   <kbd>o</kbd>: Open bestand
   <kbd>e</kbd>: Verander bestand
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: Toggle bestand inbegrepen in patch
   <kbd>a</kbd>: Toggle all files included in patch
   <kbd>&lt;enter&gt;</kbd>: Enter bestand om geselecteerde regels toe te voegen aan de patch
@@ -159,6 +161,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: Bekijk reset opties
   <kbd>c</kbd>: Kopieer commit (cherry-pick)
   <kbd>C</kbd>: Kopieer commit reeks (cherry-pick)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Bekijk gecommite bestanden
   <kbd>/</kbd>: Start met zoeken
 </pre>
@@ -223,6 +226,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: Kopieer commit (cherry-pick)
   <kbd>C</kbd>: Kopieer commit reeks (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (gekopieerde) commits selectie
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Bekijk commits
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -312,6 +316,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: Kopieer commit (cherry-pick)
   <kbd>C</kbd>: Kopieer commit reeks (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (gekopieerde) commits selectie
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Bekijk gecommite bestanden
   <kbd>/</kbd>: Start met zoeken
 </pre>
diff --git a/docs/keybindings/Keybindings_pl.md b/docs/keybindings/Keybindings_pl.md
index f9eb05e09..2136a5cdf 100644
--- a/docs/keybindings/Keybindings_pl.md
+++ b/docs/keybindings/Keybindings_pl.md
@@ -83,6 +83,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: Wyświetl opcje resetu
   <kbd>c</kbd>: Kopiuj commit (przebieranie)
   <kbd>C</kbd>: Kopiuj zakres commitów (przebieranie)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Przeglądaj pliki commita
   <kbd>/</kbd>: Search the current view by text
 </pre>
@@ -167,6 +168,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: View upstream reset options
   <kbd>D</kbd>: Wyświetl opcje resetu
   <kbd>`</kbd>: Toggle file tree view
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: Open external merge tool (git mergetool)
   <kbd>f</kbd>: Pobierz
   <kbd>/</kbd>: Search the current view by text
@@ -180,6 +182,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>d</kbd>: Porzuć zmiany commita dla tego pliku
   <kbd>o</kbd>: Otwórz plik
   <kbd>e</kbd>: Edytuj plik
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: Toggle file included in patch
   <kbd>a</kbd>: Toggle all files included in patch
   <kbd>&lt;enter&gt;</kbd>: Enter file to add selected lines to the patch (or toggle directory collapsed)
@@ -222,6 +225,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: Kopiuj commit (przebieranie)
   <kbd>C</kbd>: Kopiuj zakres commitów (przebieranie)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: View commits
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -305,6 +309,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: Kopiuj commit (przebieranie)
   <kbd>C</kbd>: Kopiuj zakres commitów (przebieranie)
   <kbd>&lt;c-r&gt;</kbd>: Reset cherry-picked (copied) commits selection
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Przeglądaj pliki commita
   <kbd>/</kbd>: Search the current view by text
 </pre>
diff --git a/docs/keybindings/Keybindings_ru.md b/docs/keybindings/Keybindings_ru.md
index f0a1fd4e2..ab82515ad 100644
--- a/docs/keybindings/Keybindings_ru.md
+++ b/docs/keybindings/Keybindings_ru.md
@@ -129,6 +129,7 @@ _Связки клавиш_
   <kbd>c</kbd>: Скопировать отобранные коммит (cherry-pick)
   <kbd>C</kbd>: Скопировать несколько отобранных коммитов (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Сбросить отобранную (скопированную | cherry-picked) выборку коммитов
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Просмотреть коммиты
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -165,6 +166,7 @@ _Связки клавиш_
   <kbd>g</kbd>: Просмотреть параметры сброса
   <kbd>c</kbd>: Скопировать отобранные коммит (cherry-pick)
   <kbd>C</kbd>: Скопировать несколько отобранных коммитов (cherry-pick)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Просмотреть файлы выбранного элемента
   <kbd>/</kbd>: Найти
 </pre>
@@ -223,6 +225,7 @@ _Связки клавиш_
   <kbd>c</kbd>: Скопировать отобранные коммит (cherry-pick)
   <kbd>C</kbd>: Скопировать несколько отобранных коммитов (cherry-pick)
   <kbd>&lt;c-r&gt;</kbd>: Сбросить отобранную (скопированную | cherry-picked) выборку коммитов
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: Просмотреть файлы выбранного элемента
   <kbd>/</kbd>: Найти
 </pre>
@@ -257,6 +260,7 @@ _Связки клавиш_
   <kbd>d</kbd>: Отменить изменения коммита в этом файле
   <kbd>o</kbd>: Открыть файл
   <kbd>e</kbd>: Редактировать файл
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: Переключить файлы включённые в патч
   <kbd>a</kbd>: Переключить все файлы, включённые в патч
   <kbd>&lt;enter&gt;</kbd>: Введите файл, чтобы добавить выбранные строки в патч (или свернуть каталог переключения)
@@ -337,6 +341,7 @@ _Связки клавиш_
   <kbd>g</kbd>: Просмотреть параметры сброса upstream-ветки
   <kbd>D</kbd>: Просмотреть параметры сброса
   <kbd>`</kbd>: Переключить вид дерева файлов
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: Открыть внешний инструмент слияния (git mergetool)
   <kbd>f</kbd>: Получить изменения
   <kbd>/</kbd>: Найти
diff --git a/docs/keybindings/Keybindings_zh-CN.md b/docs/keybindings/Keybindings_zh-CN.md
index 9b0152851..49bce5ece 100644
--- a/docs/keybindings/Keybindings_zh-CN.md
+++ b/docs/keybindings/Keybindings_zh-CN.md
@@ -57,6 +57,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: 复制提交（拣选）
   <kbd>C</kbd>: 复制提交范围（拣选）
   <kbd>&lt;c-r&gt;</kbd>: 重置已拣选（复制）的提交
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 查看提交
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -111,6 +112,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>c</kbd>: 复制提交（拣选）
   <kbd>C</kbd>: 复制提交范围（拣选）
   <kbd>&lt;c-r&gt;</kbd>: 重置已拣选（复制）的提交
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 查看提交的文件
   <kbd>/</kbd>: 开始搜索
 </pre>
@@ -162,6 +164,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: 查看重置选项
   <kbd>c</kbd>: 复制提交（拣选）
   <kbd>C</kbd>: 复制提交范围（拣选）
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 查看提交的文件
   <kbd>/</kbd>: 开始搜索
 </pre>
@@ -174,6 +177,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>d</kbd>: 放弃对此文件的提交更改
   <kbd>o</kbd>: 打开文件
   <kbd>e</kbd>: 编辑文件
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: 补丁中包含的切换文件
   <kbd>a</kbd>: Toggle all files included in patch
   <kbd>&lt;enter&gt;</kbd>: 输入文件以将所选行添加到补丁中（或切换目录折叠）
@@ -211,6 +215,7 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
   <kbd>g</kbd>: 查看上游重置选项
   <kbd>D</kbd>: 查看重置选项
   <kbd>`</kbd>: 切换文件树视图
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: 打开外部合并工具 (git mergetool)
   <kbd>f</kbd>: 抓取
   <kbd>/</kbd>: 开始搜索
diff --git a/docs/keybindings/Keybindings_zh-TW.md b/docs/keybindings/Keybindings_zh-TW.md
index 866525581..201f79555 100644
--- a/docs/keybindings/Keybindings_zh-TW.md
+++ b/docs/keybindings/Keybindings_zh-TW.md
@@ -57,6 +57,7 @@ _說明：`<c-b>` 表示 Ctrl+B、`<a-b>` 表示 Alt+B，`B`表示 Shift+B_
   <kbd>c</kbd>: 複製提交 (揀選)
   <kbd>C</kbd>: 複製提交範圍 (揀選)
   <kbd>&lt;c-r&gt;</kbd>: 重設選定的揀選 (複製) 提交
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 檢視提交
   <kbd>/</kbd>: Filter the current view by text
 </pre>
@@ -154,6 +155,7 @@ _說明：`<c-b>` 表示 Ctrl+B、`<a-b>` 表示 Alt+B，`B`表示 Shift+B_
   <kbd>c</kbd>: 複製提交 (揀選)
   <kbd>C</kbd>: 複製提交範圍 (揀選)
   <kbd>&lt;c-r&gt;</kbd>: 重設選定的揀選 (複製) 提交
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 檢視所選項目的檔案
   <kbd>/</kbd>: 開始搜尋
 </pre>
@@ -205,6 +207,7 @@ _說明：`<c-b>` 表示 Ctrl+B、`<a-b>` 表示 Alt+B，`B`表示 Shift+B_
   <kbd>g</kbd>: 檢視重設選項
   <kbd>c</kbd>: 複製提交 (揀選)
   <kbd>C</kbd>: 複製提交範圍 (揀選)
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;enter&gt;</kbd>: 檢視所選項目的檔案
   <kbd>/</kbd>: 開始搜尋
 </pre>
@@ -224,6 +227,7 @@ _說明：`<c-b>` 表示 Ctrl+B、`<a-b>` 表示 Alt+B，`B`表示 Shift+B_
   <kbd>d</kbd>: 捨棄此提交對此檔案的更改
   <kbd>o</kbd>: 開啟檔案
   <kbd>e</kbd>: 編輯檔案
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>&lt;space&gt;</kbd>: 切換檔案是否包含在補丁中
   <kbd>a</kbd>: 切換所有檔案是否包含在補丁中
   <kbd>&lt;enter&gt;</kbd>: 輸入檔案以將選定的行添加至補丁（或切換目錄折疊）
@@ -306,6 +310,7 @@ _說明：`<c-b>` 表示 Ctrl+B、`<a-b>` 表示 Alt+B，`B`表示 Shift+B_
   <kbd>g</kbd>: 檢視上游重設選項
   <kbd>D</kbd>: 檢視重設選項
   <kbd>`</kbd>: 切換檔案樹狀視圖
+  <kbd>&lt;c-t&gt;</kbd>: Open external diff tool (git difftool)
   <kbd>M</kbd>: 開啟外部合併工具 (git mergetool)
   <kbd>f</kbd>: 擷取
   <kbd>/</kbd>: 開始搜尋
diff --git a/schema/config.json b/schema/config.json
index 54f6d6961..45976cbb9 100644
--- a/schema/config.json
+++ b/schema/config.json
@@ -864,6 +864,10 @@
             "decreaseContextInDiffView": {
               "type": "string",
               "default": "{"
+            },
+            "openDiffTool": {
+              "type": "string",
+              "default": "\u003cc-t\u003e"
             }
           },
           "additionalProperties": false,