diff --git a/crates/ui-egui/src/i18n/bg.tsv b/crates/ui-egui/src/i18n/bg.tsv
index 1a3018469..e34678ecc 100644
--- a/crates/ui-egui/src/i18n/bg.tsv
+++ b/crates/ui-egui/src/i18n/bg.tsv
@@ -3957,7 +3957,7 @@ axis	Both	И двете
 @msg	missing index	липсва индекс
 @msg	missing number `{key}`	липсва число `{key}`
 @msg	missing integer `{key}`	липсва цяло число `{key}`
-@msg	multiple windows land with M11.5	множество прозорци се зареждат с M11.5
+@msg	New Window isn't available yet: a document opens in one window	Нов прозорец още не е наличен: документът се отваря в един прозорец
 @msg	name the file	именувайте файла
 @msg	no CSS to copy: select objects with CSS of their own	няма CSS за копиране: изберете обекти със собствен CSS
 @msg	no Live Paint edge near that point	няма ръб за интерактивно оцветяване близо до тази точка
diff --git a/crates/ui-egui/src/i18n/cs.tsv b/crates/ui-egui/src/i18n/cs.tsv
index 764a3f77d..5c2b59d3e 100644
--- a/crates/ui-egui/src/i18n/cs.tsv
+++ b/crates/ui-egui/src/i18n/cs.tsv
@@ -4350,7 +4350,7 @@ imageTrace	Outline	Obrys
 @msg	missing index	chybí index
 @msg	missing number `{key}`	chybí číslo `{key}`
 @msg	missing integer `{key}`	chybí celé číslo `{key}`
-@msg	multiple windows land with M11.5	více oken přijde s M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nové okno zatím není k dispozici: dokument se otevírá v jednom okně
 @msg	name the file	pojmenujte soubor
 @msg	no CSS to copy: select objects with CSS of their own	žádné CSS ke kopírování: vyberte objekty s vlastním CSS
 @msg	no Live Paint edge near that point	poblíž tohoto bodu není žádná hrana živé malby
diff --git a/crates/ui-egui/src/i18n/da.tsv b/crates/ui-egui/src/i18n/da.tsv
index e60b120dd..612e77639 100644
--- a/crates/ui-egui/src/i18n/da.tsv
+++ b/crates/ui-egui/src/i18n/da.tsv
@@ -4069,7 +4069,7 @@ imageTrace	Outline	Kontur
 @msg	missing index	indeks mangler
 @msg	missing number `{key}`	tallet `{key}` mangler
 @msg	missing integer `{key}`	heltallet `{key}` mangler
-@msg	multiple windows land with M11.5	flere vinduer lander med M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nyt vindue er ikke tilgængeligt endnu: et dokument åbnes i ét vindue
 @msg	name the file	giv filen et navn
 @msg	no CSS to copy: select objects with CSS of their own	ingen CSS at kopiere: markér objekter med deres egen CSS
 @msg	no Live Paint edge near that point	ingen Live Paint-kant i nærheden af det punkt
diff --git a/crates/ui-egui/src/i18n/de.tsv b/crates/ui-egui/src/i18n/de.tsv
index 68d1c4b8f..899a9b7c4 100644
--- a/crates/ui-egui/src/i18n/de.tsv
+++ b/crates/ui-egui/src/i18n/de.tsv
@@ -3971,7 +3971,7 @@ theme	Appearance	Erscheinungsbild
 @msg	missing index	der Index fehlt
 @msg	missing number `{key}`	die Zahl `{key}` fehlt
 @msg	missing integer `{key}`	die ganze Zahl `{key}` fehlt
-@msg	multiple windows land with M11.5	mehrere Fenster kommen mit M11.5
+@msg	New Window isn't available yet: a document opens in one window	Neues Fenster ist noch nicht verfügbar: ein Dokument öffnet sich in einem Fenster
 @msg	name the file	benennen Sie die Datei
 @msg	no CSS to copy: select objects with CSS of their own	kein CSS zum Kopieren: Wählen Sie Objekte mit eigenem CSS aus
 @msg	no Live Paint edge near that point	keine Interaktiv-malen-Kante in der Nähe dieses Punkts
diff --git a/crates/ui-egui/src/i18n/el.tsv b/crates/ui-egui/src/i18n/el.tsv
index fa66430f5..30e8a375c 100644
--- a/crates/ui-egui/src/i18n/el.tsv
+++ b/crates/ui-egui/src/i18n/el.tsv
@@ -4026,7 +4026,7 @@ theme	Appearance	Εμφάνιση
 @msg	missing index	λείπει ο δείκτης
 @msg	missing number `{key}`	λείπει ο αριθμός `{key}`
 @msg	missing integer `{key}`	λείπει ο ακέραιος `{key}`
-@msg	multiple windows land with M11.5	τα πολλαπλά παράθυρα θα προστεθούν στην έκδοση M11.5
+@msg	New Window isn't available yet: a document opens in one window	Το Νέο παράθυρο δεν είναι ακόμη διαθέσιμο: ένα έγγραφο ανοίγει σε ένα παράθυρο
 @msg	name the file	δώστε όνομα στο αρχείο
 @msg	no CSS to copy: select objects with CSS of their own	δεν υπάρχει CSS για αντιγραφή: επιλέξτε αντικείμενα με δικό τους CSS
 @msg	no Live Paint edge near that point	δεν υπάρχει ακμή δυναμικής βαφής κοντά σε αυτό το σημείο
diff --git a/crates/ui-egui/src/i18n/es.tsv b/crates/ui-egui/src/i18n/es.tsv
index 8249a9e28..0296a820b 100644
--- a/crates/ui-egui/src/i18n/es.tsv
+++ b/crates/ui-egui/src/i18n/es.tsv
@@ -4047,7 +4047,7 @@ axis	Both	Ambos
 @msg	missing index	falta index
 @msg	missing number `{key}`	falta el número `{key}`
 @msg	missing integer `{key}`	falta el número entero `{key}`
-@msg	multiple windows land with M11.5	las ventanas múltiples llegan con M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nueva ventana aún no está disponible: un documento se abre en una sola ventana
 @msg	name the file	ponle nombre al archivo
 @msg	no CSS to copy: select objects with CSS of their own	no hay CSS que copiar: selecciona objetos con CSS propio
 @msg	no Live Paint edge near that point	no hay ningún borde de pintura interactiva cerca de ese punto
diff --git a/crates/ui-egui/src/i18n/fi.tsv b/crates/ui-egui/src/i18n/fi.tsv
index b0df6e69c..3c9e0839e 100644
--- a/crates/ui-egui/src/i18n/fi.tsv
+++ b/crates/ui-egui/src/i18n/fi.tsv
@@ -4263,7 +4263,7 @@ imageTrace	Outline	Ääriviiva
 @msg	missing index	indeksi puuttuu
 @msg	missing number `{key}`	luku `{key}` puuttuu
 @msg	missing integer `{key}`	kokonaisluku `{key}` puuttuu
-@msg	multiple windows land with M11.5	useat ikkunat tulevat versiossa M11.5
+@msg	New Window isn't available yet: a document opens in one window	Uusi ikkuna ei ole vielä käytettävissä: asiakirja avautuu yhteen ikkunaan
 @msg	name the file	anna tiedostolle nimi
 @msg	no CSS to copy: select objects with CSS of their own	ei kopioitavaa CSS:ää: valitse objekteja, joilla on oma CSS
 @msg	no Live Paint edge near that point	pisteen lähellä ei ole elävän maalauksen reunaa
diff --git a/crates/ui-egui/src/i18n/fr.tsv b/crates/ui-egui/src/i18n/fr.tsv
index 57bc29a1e..817b91f3a 100644
--- a/crates/ui-egui/src/i18n/fr.tsv
+++ b/crates/ui-egui/src/i18n/fr.tsv
@@ -4044,7 +4044,7 @@ axis	Both	Les deux
 @msg	missing index	index manquant
 @msg	missing number `{key}`	nombre `{key}` manquant
 @msg	missing integer `{key}`	nombre entier `{key}` manquant
-@msg	multiple windows land with M11.5	les fenêtres multiples arrivent avec M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nouvelle fenêtre n’est pas encore disponible : un document s’ouvre dans une seule fenêtre
 @msg	name the file	nommez le fichier
 @msg	no CSS to copy: select objects with CSS of their own	aucun CSS à copier : sélectionnez des objets ayant leur propre CSS
 @msg	no Live Paint edge near that point	aucun bord de peinture dynamique près de ce point
diff --git a/crates/ui-egui/src/i18n/hu.tsv b/crates/ui-egui/src/i18n/hu.tsv
index 6925617e5..ae3844043 100644
--- a/crates/ui-egui/src/i18n/hu.tsv
+++ b/crates/ui-egui/src/i18n/hu.tsv
@@ -4710,7 +4710,7 @@ imageTrace	Outline	Körvonal
 @msg	move requires a destination panel	az áthelyezéshez célpanel kell
 @msg	move requires an existing destination panel	az áthelyezéshez létező célpanel kell
 @msg	Multichannel PSD files can't be read: save it in RGB, CMYK or Grayscale mode	a többcsatornás PSD-fájlok nem olvashatók: mentsd RGB, CMYK vagy szürkeárnyalatos módban
-@msg	multiple windows land with M11.5	a több ablak az M11.5 mérföldkőben érkezik
+@msg	New Window isn't available yet: a document opens in one window	Az Új ablak még nem érhető el: egy dokumentum egy ablakban nyílik meg
 @msg	name the file	adj nevet a fájlnak
 @msg	no active document	nincs aktív dokumentum
 @msg	no active perspective plane	nincs aktív perspektivikus sík
diff --git a/crates/ui-egui/src/i18n/id.tsv b/crates/ui-egui/src/i18n/id.tsv
index c927e6eee..9c9fb6bd5 100644
--- a/crates/ui-egui/src/i18n/id.tsv
+++ b/crates/ui-egui/src/i18n/id.tsv
@@ -4069,7 +4069,7 @@ imageTrace	Outline	Kontur
 @msg	missing index	indeks tidak ada
 @msg	missing number `{key}`	angka `{key}` tidak ada
 @msg	missing integer `{key}`	bilangan bulat `{key}` tidak ada
-@msg	multiple windows land with M11.5	beberapa jendela hadir bersama M11.5
+@msg	New Window isn't available yet: a document opens in one window	Jendela baru belum tersedia: dokumen dibuka dalam satu jendela
 @msg	name the file	beri nama file
 @msg	no CSS to copy: select objects with CSS of their own	tidak ada CSS untuk disalin: pilih objek yang memiliki CSS sendiri
 @msg	no Live Paint edge near that point	tidak ada tepi Live Paint di dekat titik itu
diff --git a/crates/ui-egui/src/i18n/it.tsv b/crates/ui-egui/src/i18n/it.tsv
index a57a38154..5c2ba5757 100644
--- a/crates/ui-egui/src/i18n/it.tsv
+++ b/crates/ui-egui/src/i18n/it.tsv
@@ -4087,7 +4087,7 @@ axis	Both	Entrambi
 @msg	missing index	manca index
 @msg	missing number `{key}`	manca il numero `{key}`
 @msg	missing integer `{key}`	manca il numero intero `{key}`
-@msg	multiple windows land with M11.5	le finestre multiple arriveranno con M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nuova finestra non è ancora disponibile: un documento si apre in una sola finestra
 @msg	name the file	assegna un nome al file
 @msg	no CSS to copy: select objects with CSS of their own	nessun CSS da copiare: seleziona oggetti con un CSS proprio
 @msg	no Live Paint edge near that point	nessun bordo di pittura dinamica vicino a quel punto
diff --git a/crates/ui-egui/src/i18n/ja.tsv b/crates/ui-egui/src/i18n/ja.tsv
index eebea2207..6735831f0 100644
--- a/crates/ui-egui/src/i18n/ja.tsv
+++ b/crates/ui-egui/src/i18n/ja.tsv
@@ -4447,7 +4447,7 @@ swatch	Bright Violet	ビビッドバイオレット
 @msg	missing index	index が指定されていません
 @msg	missing number `{key}`	数値 `{key}` が指定されていません
 @msg	missing integer `{key}`	整数 `{key}` が指定されていません
-@msg	multiple windows land with M11.5	複数ウィンドウは M11.5 で対応予定です
+@msg	New Window isn't available yet: a document opens in one window	新規ウィンドウはまだ使用できません: ドキュメントは 1 つのウィンドウで開きます
 @msg	no PNG encoder	PNG エンコーダーがありません
 @msg	no document open	ドキュメントが開かれていません
 @msg	no effect applied yet	まだ効果を適用していません
diff --git a/crates/ui-egui/src/i18n/ka.tsv b/crates/ui-egui/src/i18n/ka.tsv
index 5e7360795..02965b6ad 100644
--- a/crates/ui-egui/src/i18n/ka.tsv
+++ b/crates/ui-egui/src/i18n/ka.tsv
@@ -3828,7 +3828,7 @@ font-technology	Variable	ცვლადი
 @msg	missing `name`	აკლია `name`
 @msg	missing `tool`	აკლია `tool`
 @msg	missing index	ინდექსი აკლია
-@msg	multiple windows land with M11.5	რამდენიმე ფანჯარა M11.5-ში დაემატება
+@msg	New Window isn't available yet: a document opens in one window	ახალი ფანჯარა ჯერ მიუწვდომელია: დოკუმენტი ერთ ფანჯარაში იხსნება
 @msg	name the file	მიუთითეთ ფაილის სახელი
 @msg	no CSS to copy: select objects with CSS of their own	კოპირებისთვის CSS არ არის: მონიშნეთ საკუთარი CSS-ის მქონე ობიექტები
 @msg	no Live Paint edge near that point	ამ წერტილთან ცოცხალი შეღებვის კიდე არ არის
diff --git a/crates/ui-egui/src/i18n/ko.tsv b/crates/ui-egui/src/i18n/ko.tsv
index 29bf525b9..ca100edf6 100644
--- a/crates/ui-egui/src/i18n/ko.tsv
+++ b/crates/ui-egui/src/i18n/ko.tsv
@@ -4379,7 +4379,7 @@ theme	Appearance	외관
 @msg	missing index	index가 없습니다
 @msg	missing number `{key}`	숫자 `{key}`이(가) 없습니다
 @msg	missing integer `{key}`	정수 `{key}`이(가) 없습니다
-@msg	multiple windows land with M11.5	여러 창은 M11.5에서 지원됩니다
+@msg	New Window isn't available yet: a document opens in one window	새 창은 아직 사용할 수 없습니다: 문서는 하나의 창에서 열립니다
 @msg	no PNG encoder	PNG 인코더가 없습니다
 @msg	no document open	열린 문서가 없습니다
 @msg	no effect applied yet	아직 적용된 효과가 없습니다
diff --git a/crates/ui-egui/src/i18n/nl.tsv b/crates/ui-egui/src/i18n/nl.tsv
index 1c9f28788..3fb0618c9 100644
--- a/crates/ui-egui/src/i18n/nl.tsv
+++ b/crates/ui-egui/src/i18n/nl.tsv
@@ -4081,7 +4081,7 @@ imageTrace	Outline	Contour
 @msg	missing `name`	`name` ontbreekt
 @msg	missing `tool`	`tool` ontbreekt
 @msg	missing index	index ontbreekt
-@msg	multiple windows land with M11.5	meerdere vensters komen binnen met M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nieuw venster is nog niet beschikbaar: een document opent in één venster
 @msg	name the file	geef het bestand een naam
 @msg	no CSS to copy: select objects with CSS of their own	geen CSS om te kopiëren: selecteer objecten met eigen CSS
 @msg	no Live Paint edge near that point	geen Live Paint-rand bij dat punt
diff --git a/crates/ui-egui/src/i18n/pl.tsv b/crates/ui-egui/src/i18n/pl.tsv
index cb5246e7b..da8d11eb0 100644
--- a/crates/ui-egui/src/i18n/pl.tsv
+++ b/crates/ui-egui/src/i18n/pl.tsv
@@ -4172,7 +4172,7 @@ imageTrace	Outline	Kontur
 @msg	missing index	brak indeksu
 @msg	missing number `{key}`	brak liczby `{key}`
 @msg	missing integer `{key}`	brak liczby całkowitej `{key}`
-@msg	multiple windows land with M11.5	wiele okien pojawi się w M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nowe okno nie jest jeszcze dostępne: dokument otwiera się w jednym oknie
 @msg	name the file	nadaj nazwę plikowi
 @msg	no CSS to copy: select objects with CSS of their own	brak CSS do skopiowania: zaznacz obiekty z własnym CSS
 @msg	no Live Paint edge near that point	brak krawędzi aktywnego malowania w pobliżu tego punktu
diff --git a/crates/ui-egui/src/i18n/pt-br.tsv b/crates/ui-egui/src/i18n/pt-br.tsv
index 1f38dba67..96ad44611 100644
--- a/crates/ui-egui/src/i18n/pt-br.tsv
+++ b/crates/ui-egui/src/i18n/pt-br.tsv
@@ -3622,7 +3622,7 @@ axis	Both	Ambos
 @msg	missing index	falta o índice
 @msg	missing number `{key}`	falta o número `{key}`
 @msg	missing integer `{key}`	falta o número inteiro `{key}`
-@msg	multiple windows land with M11.5	várias janelas chegam com o M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nova Janela ainda não está disponível: um documento abre em uma única janela
 @msg	name the file	dê um nome ao arquivo
 @msg	no CSS to copy: select objects with CSS of their own	não há CSS para copiar: selecione objetos que tenham CSS próprio
 @msg	no Live Paint edge near that point	nenhuma aresta de Pintura dinâmica perto desse ponto
diff --git a/crates/ui-egui/src/i18n/ru.tsv b/crates/ui-egui/src/i18n/ru.tsv
index 8bc6a82ae..2d9f41824 100644
--- a/crates/ui-egui/src/i18n/ru.tsv
+++ b/crates/ui-egui/src/i18n/ru.tsv
@@ -4083,7 +4083,7 @@ axis	Both	Оба
 @msg	missing index	отсутствует index
 @msg	missing number `{key}`	отсутствует число `{key}`
 @msg	missing integer `{key}`	отсутствует целое число `{key}`
-@msg	multiple windows land with M11.5	несколько окон появятся в M11.5
+@msg	New Window isn't available yet: a document opens in one window	Новое окно пока недоступно: документ открывается в одном окне
 @msg	name the file	дайте файлу имя
 @msg	no CSS to copy: select objects with CSS of their own	нет CSS для копирования: выделите объекты с собственным CSS
 @msg	no Live Paint edge near that point	рядом с этой точкой нет границы быстрой заливки
diff --git a/crates/ui-egui/src/i18n/sv.tsv b/crates/ui-egui/src/i18n/sv.tsv
index a38f6bdac..04965c185 100644
--- a/crates/ui-egui/src/i18n/sv.tsv
+++ b/crates/ui-egui/src/i18n/sv.tsv
@@ -3962,7 +3962,7 @@ axis	Both	Båda
 @msg	missing index	index saknas
 @msg	missing number `{key}`	talet `{key}` saknas
 @msg	missing integer `{key}`	heltalet `{key}` saknas
-@msg	multiple windows land with M11.5	flera fönster kommer med M11.5
+@msg	New Window isn't available yet: a document opens in one window	Nytt fönster är inte tillgängligt än: ett dokument öppnas i ett fönster
 @msg	name the file	namnge filen
 @msg	no CSS to copy: select objects with CSS of their own	ingen CSS att kopiera: markera objekt som har egen CSS
 @msg	no Live Paint edge near that point	ingen Live Paint-kant nära den punkten
diff --git a/crates/ui-egui/src/i18n/tr.tsv b/crates/ui-egui/src/i18n/tr.tsv
index 478773e92..4b55e672f 100644
--- a/crates/ui-egui/src/i18n/tr.tsv
+++ b/crates/ui-egui/src/i18n/tr.tsv
@@ -3824,7 +3824,7 @@ axis	Both	Her İkisi
 @msg	missing `name`	"isim" eksik
 @msg	missing `tool`	'araç' eksik
 @msg	missing index	eksik dizin
-@msg	multiple windows land with M11.5	M11.5 ile birden fazla pencere açılır
+@msg	New Window isn't available yet: a document opens in one window	Yeni Pencere henüz kullanılamıyor: bir belge tek pencerede açılır
 @msg	name the file	dosyayı adlandırın
 @msg	no CSS to copy: select objects with CSS of their own	kopyalanacak CSS yok: kendilerine ait CSS'ye sahip nesneleri seçin
 @msg	no Live Paint edge near that point	bu noktanın yakınında Canlı Boyama kenarı yok
diff --git a/crates/ui-egui/src/i18n/uk.tsv b/crates/ui-egui/src/i18n/uk.tsv
index 82a033d6f..ea830de1c 100644
--- a/crates/ui-egui/src/i18n/uk.tsv
+++ b/crates/ui-egui/src/i18n/uk.tsv
@@ -4071,7 +4071,7 @@ axis	Both	Обидві
 @msg	missing index	відсутня index
 @msg	missing number `{key}`	відсутнє число `{key}`
 @msg	missing integer `{key}`	відсутнє ціле число `{key}`
-@msg	multiple windows land with M11.5	кілька вікон з’являться в M11.5
+@msg	New Window isn't available yet: a document opens in one window	Нове вікно поки недоступне: документ відкривається в одному вікні
 @msg	name the file	дайте файлу ім’я
 @msg	no CSS to copy: select objects with CSS of their own	ні CSS для копіювання: виділіть об’єкти з власним CSS
 @msg	no Live Paint edge near that point	поряд з цією точкою немає межі швидкої заливки
diff --git a/crates/ui-egui/src/i18n/vi.tsv b/crates/ui-egui/src/i18n/vi.tsv
index 3f8d8558a..53216bd00 100644
--- a/crates/ui-egui/src/i18n/vi.tsv
+++ b/crates/ui-egui/src/i18n/vi.tsv
@@ -4357,7 +4357,7 @@ theme	Appearance	Giao diện
 @msg	move requires a destination panel	move cần bảng đích
 @msg	move requires an existing destination panel	move cần bảng đích tồn tại
 @msg	Multichannel PSD files can't be read: save it in RGB, CMYK or Grayscale mode	Tệp PSD đa kênh không thể đọc: lưu ở chế độ RGB, CMYK hoặc Thang xám
-@msg	multiple windows land with M11.5	nhiều cửa sổ sẽ có trong M11.5
+@msg	New Window isn't available yet: a document opens in one window	Cửa sổ mới chưa khả dụng: tài liệu mở trong một cửa sổ
 @msg	name the file	hãy đặt tên tệp
 @msg	no active document	không có tài liệu đang hoạt động
 @msg	no active perspective plane	không có mặt phẳng phối cảnh đang hoạt động
diff --git a/crates/ui-egui/src/i18n/zh-hans.tsv b/crates/ui-egui/src/i18n/zh-hans.tsv
index 3d13c209f..f3b42de41 100644
--- a/crates/ui-egui/src/i18n/zh-hans.tsv
+++ b/crates/ui-egui/src/i18n/zh-hans.tsv
@@ -4169,7 +4169,7 @@ imageTrace	Outline	轮廓
 @msg	missing `name`	缺少 `name`
 @msg	missing `tool`	缺少 `tool`
 @msg	missing index	缺少 index
-@msg	multiple windows land with M11.5	多窗口将在 M11.5 中提供
+@msg	New Window isn't available yet: a document opens in one window	新建窗口尚不可用：文档在一个窗口中打开
 @msg	no PNG encoder	没有 PNG 编码器
 @msg	no document open	没有打开的文档
 @msg	no effect applied yet	尚未应用任何效果
diff --git a/crates/ui-egui/src/i18n/zh-hant.tsv b/crates/ui-egui/src/i18n/zh-hant.tsv
index 2074a9ce5..f090d9dad 100644
--- a/crates/ui-egui/src/i18n/zh-hant.tsv
+++ b/crates/ui-egui/src/i18n/zh-hant.tsv
@@ -2150,7 +2150,7 @@ file-filter	Templates	範本
 @msg	missing `name`	未提供 `name`
 @msg	missing `tool`	未提供 `tool`
 @msg	missing index	未提供 index
-@msg	multiple windows land with M11.5	多個視窗將於 M11.5 推出
+@msg	New Window isn't available yet: a document opens in one window	新增視窗尚無法使用：文件會在一個視窗中開啟
 @msg	no PNG encoder	沒有 PNG 編碼器
 @msg	no document open	沒有開啟的文件
 @msg	no effect applied yet	尚未套用任何效果
diff --git a/crates/ui-egui/src/menus.rs b/crates/ui-egui/src/menus.rs
index 577ecc150..9bc8dcf5f 100644
--- a/crates/ui-egui/src/menus.rs
+++ b/crates/ui-egui/src/menus.rs
@@ -1681,7 +1681,7 @@ pub fn run_ui_command(app: &mut VectorcraftApp, id: &str, p: &Value) -> Option<R
             }
             None => Err("brightness must be dark|mediumDark|mediumLight|light".into()),
         },
-        "window.newWindow" => Err("multiple windows land with M11.5".into()),
+        "window.newWindow" => Err("New Window isn't available yet: a document opens in one window".into()),
         "tool.select" => match s("tool") {
             Some(t) if vectorcraft_tools::tool_info(&t).is_some() => {
                 app.select_tool(&t);
@@ -2574,6 +2574,8 @@ pub fn enabled(app: &VectorcraftApp, id: &str) -> bool {
             app.session.active().is_some() && crate::dialogs::perspective_presets::slot_preset(app, id).is_some()
         }
         "ui.perspectivePlane" => app.session.active().is_some(),
+        // Only one window per document so far: greyed out, as Window › Arrange's items are (#3724).
+        "window.newWindow" => false,
         _ => true,
     }
 }
@@ -4966,4 +4968,15 @@ mod tests {
         assert!(tall.height() > short.height() + 100.0, "{} vs {}", tall.height(), short.height());
         assert!(tall.bottom() < 3000.0);
     }
+
+    /// #3724: Window › New Window is greyed out until VectorCraft can open a second window on a
+    /// document, instead of being enabled and answering with an internal milestone note.
+    #[test]
+    fn new_window_is_disabled_until_it_opens_a_window() {
+        let mut app = VectorcraftApp::new(vectorcraft_engine::Session::new(), crate::Services::default());
+        app.run("file.new", json!({"width": 200, "height": 200})).unwrap();
+        assert!(!enabled(&app, "window.newWindow"), "New Window is enabled but opens no window");
+        let e = app.run("window.newWindow", json!({})).unwrap_err();
+        assert!(!e.contains("M11.5"), "a user-facing message, not a milestone: {e}");
+    }
 }