diff --git a/CODEOWNERS b/CODEOWNERS
index a0f2c1ae7..6de7846d8 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -180,6 +180,7 @@
 /po/uk_UA.UTF-8.po @ghostty-org/uk_UA
 /po/zh_CN.UTF-8.po @ghostty-org/zh_CN
 /po/ga_IE.UTF-8.po @ghostty-org/ga_IE
+/po/ko_KR.UTF-8.po @ghostty-org/ko_KR
 
 # Packaging - Snap
 /snap/ @ghostty-org/snap
diff --git a/macos/Sources/Features/Terminal/Window Styles/HiddenTitlebarTerminalWindow.swift b/macos/Sources/Features/Terminal/Window Styles/HiddenTitlebarTerminalWindow.swift
index 5f4d6b177..996506f0b 100644
--- a/macos/Sources/Features/Terminal/Window Styles/HiddenTitlebarTerminalWindow.swift	
+++ b/macos/Sources/Features/Terminal/Window Styles/HiddenTitlebarTerminalWindow.swift	
@@ -19,20 +19,27 @@ class HiddenTitlebarTerminalWindow: TerminalWindow {
         NotificationCenter.default.removeObserver(self)
     }
 
+    private static let hiddenStyleMask: NSWindow.StyleMask = [
+        // We need `titled` in the mask to get the normal window frame
+        .titled,
+
+        // Full size content view so we can extend
+        // content in to the hidden titlebar's area
+        .fullSizeContentView,
+
+        .resizable,
+        .closable,
+        .miniaturizable,
+    ]
+
     /// Apply the hidden titlebar style.
     private func reapplyHiddenStyle() {
-        styleMask = [
-            // We need `titled` in the mask to get the normal window frame
-            .titled,
-
-            // Full size content view so we can extend
-            // content in to the hidden titlebar's area
-            .fullSizeContentView,
-
-            .resizable,
-            .closable,
-            .miniaturizable,
-        ]
+        // Apply our style mask while preserving the .fullScreen option
+        if styleMask.contains(.fullScreen) {
+            styleMask = Self.hiddenStyleMask.union([.fullScreen])
+        } else {
+            styleMask = Self.hiddenStyleMask
+        }
 
         // Hide the title
         titleVisibility = .hidden
diff --git a/po/ko_KR.UTF-8.po b/po/ko_KR.UTF-8.po
new file mode 100644
index 000000000..42cb2682f
--- /dev/null
+++ b/po/ko_KR.UTF-8.po
@@ -0,0 +1,259 @@
+# Korean translations for com.mitchellh.ghostty package.
+# Copyright (C) 2025 Mitchell Hashimoto
+# This file is distributed under the same license as the com.mitchellh.ghostty package.
+# Ruben Engelbrecht <hey@rme.gg>, 2025.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: com.mitchellh.ghostty\n"
+"Report-Msgid-Bugs-To: m@mitchellh.com\n"
+"POT-Creation-Date: 2025-03-19 08:54-0700\n"
+"PO-Revision-Date: 2025-03-31 03:08+0200\n"
+"Last-Translator: Ruben Engelbrecht <hey@rme.gg>\n"
+"Language-Team: Korean <translation-team-ko@googlegroups.com>\n"
+"Language: ko\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:5
+msgid "Change Terminal Title"
+msgstr "터미널 제목 변경"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:6
+msgid "Leave blank to restore the default title."
+msgstr "제목란을 비워 두면 기본값으로 복원됩니다."
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:9
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:10 src/apprt/gtk/CloseDialog.zig:44
+msgid "Cancel"
+msgstr "취소"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:10
+msgid "OK"
+msgstr "확인"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:5
+msgid "Configuration Errors"
+msgstr "설정 오류"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:6
+msgid ""
+"One or more configuration errors were found. Please review the errors below, "
+"and either reload your configuration or ignore these errors."
+msgstr "설정에 하나 이상의 문제가 발견되었습니다. 아래 오류(를)들을 확인한 후 설정을 다시 불러오거나 무시하세요."
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:9
+msgid "Ignore"
+msgstr "무시"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:10
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:97
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:95
+msgid "Reload Configuration"
+msgstr "설정 값 다시 불러오기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:6
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:6
+msgid "Copy"
+msgstr "복사"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:11
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:11
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:11
+msgid "Paste"
+msgstr "붙여넣기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:18
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:73
+msgid "Clear"
+msgstr "지우기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:23
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:78
+msgid "Reset"
+msgstr "초기화"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:30
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:42
+msgid "Split"
+msgstr "나누기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:33
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:45
+msgid "Change Title…"
+msgstr "제목 변경…"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:38
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:50
+msgid "Split Up"
+msgstr "위로 창 나누기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:43
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:55
+msgid "Split Down"
+msgstr "아래로 창 나누기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:48
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:60
+msgid "Split Left"
+msgstr "왼쪽으로 창 나누기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:53
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:65
+msgid "Split Right"
+msgstr "오른쪽으로 창 나누기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:59
+msgid "Tab"
+msgstr "탭"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:62
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:30
+#: src/apprt/gtk/Window.zig:246
+msgid "New Tab"
+msgstr "새 탭"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:67
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:35
+msgid "Close Tab"
+msgstr "탭 닫기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:73
+msgid "Window"
+msgstr "창"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:76
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:18
+msgid "New Window"
+msgstr "새 창"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:81
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:23
+msgid "Close Window"
+msgstr "창 닫기"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:89
+msgid "Config"
+msgstr "설정"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:92
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:90
+msgid "Open Configuration"
+msgstr "설정 열기"
+
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:85
+msgid "Terminal Inspector"
+msgstr "터미널 인스펙터"
+
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:102
+#: src/apprt/gtk/Window.zig:960
+msgid "About Ghostty"
+msgstr "Ghostty 정보"
+
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:107
+msgid "Quit"
+msgstr "종료"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:6
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:6
+msgid "Authorize Clipboard Access"
+msgstr "클립보드 액세스 권한 부여"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:7
+msgid ""
+"An application is attempting to read from the clipboard. The current "
+"clipboard contents are shown below."
+msgstr "응용 프로그램이 클립보드에서 읽기를 시도하고 있습니다. 현재 클립보드 내용은 아래와 같습니다."
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:10
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:10
+msgid "Deny"
+msgstr "거부"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:11
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:11
+msgid "Allow"
+msgstr "허용"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:7
+msgid ""
+"An application is attempting to write to the clipboard. The current "
+"clipboard contents are shown below."
+msgstr "응용 프로그램이 클립보드에 쓰기를 시도하고 있습니다. 현재 클립보드 내용은 아래와 같습니다."
+
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:6
+msgid "Warning: Potentially Unsafe Paste"
+msgstr "경고: 잠재적으로 안전하지 않은 붙여넣기"
+
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:7
+msgid ""
+"Pasting this text into the terminal may be dangerous as it looks like some "
+"commands may be executed."
+msgstr "이 텍스트를 터미널에 붙여넣는 것은 위험할 수 있습니다. 일부 명령이 실행될 수 있는 것으로 보입니다."
+
+#: src/apprt/gtk/inspector.zig:144
+msgid "Ghostty: Terminal Inspector"
+msgstr "Ghostty: 터미널 인스펙터"
+
+#: src/apprt/gtk/Surface.zig:1243
+msgid "Copied to clipboard"
+msgstr "클립보드에 복사됨"
+
+#: src/apprt/gtk/CloseDialog.zig:47
+msgid "Close"
+msgstr "닫기"
+
+#: src/apprt/gtk/CloseDialog.zig:87
+msgid "Quit Ghostty?"
+msgstr "Ghostty를 종료하시겠습니까?"
+
+#: src/apprt/gtk/CloseDialog.zig:88
+msgid "Close Window?"
+msgstr "창을 닫으시겠습니까?"
+
+#: src/apprt/gtk/CloseDialog.zig:89
+msgid "Close Tab?"
+msgstr "탭을 닫으시겠습니까?"
+
+#: src/apprt/gtk/CloseDialog.zig:90
+msgid "Close Split?"
+msgstr "분할을 닫으시겠습니까?"
+
+#: src/apprt/gtk/CloseDialog.zig:96
+msgid "All terminal sessions will be terminated."
+msgstr "모든 터미널 세션이 종료됩니다."
+
+#: src/apprt/gtk/CloseDialog.zig:97
+msgid "All terminal sessions in this window will be terminated."
+msgstr "이 창의 모든 터미널 세션이 종료됩니다."
+
+#: src/apprt/gtk/CloseDialog.zig:98
+msgid "All terminal sessions in this tab will be terminated."
+msgstr "이 탭의 모든 터미널 세션이 종료됩니다."
+
+#: src/apprt/gtk/CloseDialog.zig:99
+msgid "The currently running process in this split will be terminated."
+msgstr "이 분할에서 현재 실행 중인 프로세스가 종료됩니다."
+
+#: src/apprt/gtk/Window.zig:200
+msgid "Main Menu"
+msgstr "메인 메뉴"
+
+#: src/apprt/gtk/Window.zig:221
+msgid "View Open Tabs"
+msgstr "열린 탭 보기"
+
+#: src/apprt/gtk/Window.zig:295
+msgid ""
+"⚠️ You're running a debug build of Ghostty! Performance will be degraded."
+msgstr "⚠️ Ghostty 디버그 빌드로 실행 중입니다! 성능이 저하됩니다."
+
+#: src/apprt/gtk/Window.zig:725
+msgid "Reloaded the configuration"
+msgstr "설정값을 다시 불러왔습니다"
+
+#: src/apprt/gtk/Window.zig:941
+msgid "Ghostty Developers"
+msgstr "Ghostty 개발자들"
diff --git a/src/os/i18n.zig b/src/os/i18n.zig
index 82308d3ed..84ecb2abe 100644
--- a/src/os/i18n.zig
+++ b/src/os/i18n.zig
@@ -39,6 +39,7 @@ pub const locales = [_][:0]const u8{
     "ru_RU.UTF-8",
     "uk_UA.UTF-8",
     "pl_PL.UTF-8",
+    "ko_KR.UTF-8",
     "mk_MK.UTF-8",
     "tr_TR.UTF-8",
     "id_ID.UTF-8",