fix: 补 EditInstance DTO 缺失的 window_title 字段与透传

解决 en-US/zh-CN locale JSON 的末尾追加冲突：窗口标题键与公告中心键均保留。

.github/workflows/changelog-comment.yml

@@ -12,7 +12,7 @@ on:
 
 permissions:
   issues: write
-  pull-requests: read
+  pull-requests: write
 
 jobs:
   comment:
@@ -21,7 +21,7 @@ jobs:
 
     permissions:
       issues: write
-      pull-requests: read
+      pull-requests: write
       contents: read
 
     steps:

.github/workflows/check-rust.yml

@@ -22,5 +22,5 @@ jobs:
           node-version-file: .nvmrc
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
       - uses: cargo-bins/cargo-binstall@dc19f1e48450eefe5a29b8da6c6b00a87d730b37 # v1.18.1
-      - run: cargo binstall --no-confirm cargo-shear
+      - run: cargo binstall --no-confirm cargo-shear@1.13.4
       - run: cargo shear

apps/app-frontend/src/App.vue

@@ -95,6 +95,7 @@ import NavRail from '@/components/ui/NavRail.vue'
 import OnboardingOverlay from '@/components/ui/onboarding/OnboardingOverlay.vue'
 import QuickInstanceSwitcher from '@/components/ui/QuickInstanceSwitcher.vue'
 import SkinSiteSessionFrame from '@/components/ui/SkinSiteSessionFrame.vue'
+import RemoteAnnouncements from '@/components/ui/RemoteAnnouncements.vue'
 import StartupAnnouncementModal from '@/components/ui/StartupAnnouncementModal.vue'
 import SplashScreen from '@/components/ui/SplashScreen.vue'
 import WindowControls from '@/components/ui/WindowControls.vue'
@@ -2227,6 +2228,7 @@ provideAppUpdateDownloadProgress(appUpdateDownload)
 	<SkinSiteSessionFrame v-if="stateInitialized" />
 	<InstancePlayerModal v-if="stateInitialized" />
 	<StartupAnnouncementModal ref="startupAnnouncementModal" />
+	<RemoteAnnouncements :ready="stateInitialized && !showOnboarding && !stateFailed" />
 	<div id="teleports"></div>
 	<div
 		v-if="stateInitialized && themeStore.customBackgroundPath && !themeStore.transparentBackground"

apps/app-frontend/src/announcements/catalog.ts

@@ -41,6 +41,16 @@ export const launcherAnnouncements: readonly LauncherAnnouncement[] = [
 			'zh-CN': 'Starlight Launcher 1.0.2-beta4',
 		},
 		changes: {
+			added: [
+				{
+					'en-US': 'Added armor and armor-trim rendering to the skin preview, letting you try on armor pieces and trim patterns directly in the skin editor.',
+					'zh-CN': '皮肤预览新增盔甲与盔甲纹饰渲染，可在皮肤编辑器内直接试穿各部位盔甲并调整纹饰图案。',
+				},
+				{
+					'en-US': 'Armor preview selections in the skin editor are now saved locally, so they persist across sessions.',
+					'zh-CN': '皮肤编辑器中的盔甲预览选择现在会保存在本地，跨会话保留。',
+				},
+			],
 			changed: [
 				{
 					'en-US': 'Improved download scheduling to reduce concurrency automatically when tasks are waiting for capacity, making large Minecraft installations more reliable on constrained connections.',

apps/app-frontend/src/components/ui/AppActionBar.vue

@@ -67,6 +67,23 @@
 				</div>
 			</template>
 		</Dropdown>
+		<ButtonStyled
+			v-tooltip="formatMessage(messages.announcements)"
+			type="transparent"
+			circular
+		>
+			<button
+				:aria-label="formatMessage(messages.announcements)"
+				class="relative"
+				@click="openAnnouncementCenter"
+			>
+				<NewspaperIcon />
+				<span
+					v-if="announcementUnreadCount"
+					class="absolute right-0 top-0 size-2 rounded-full bg-red ring-2 ring-bg-raised"
+				/>
+			</button>
+		</ButtonStyled>
 		<ButtonStyled
 			v-if="!isDownloadsPage && hasActiveDownloads && !hasVisibleActiveDownloadToasts"
 			color="brand"
@@ -190,6 +207,7 @@
 <script setup lang="ts">
 import {
 	BellIcon,
+	NewspaperIcon,
 	DownloadIcon,
 	DropdownIcon,
 	OnlineIndicatorIcon,
@@ -211,7 +229,7 @@ import {
 } from '@modrinth/ui'
 import { convertFileSrc } from '@tauri-apps/api/core'
 import { Dropdown } from 'floating-vue'
-import { computed, onBeforeUnmount, ref, watch } from 'vue'
+import { computed, onBeforeUnmount, onMounted, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 
 import AppUpdateButton from '@/components/ui/app-update-button/index.vue'
@@ -222,6 +240,10 @@ import { get_many as getInstances } from '@/helpers/instance'
 import { get_all as getRunningProcesses, kill as killProcess } from '@/helpers/process'
 import type { LoadingBar } from '@/helpers/state'
 import { progress_bars_list } from '@/helpers/state'
+import {
+	OPEN_REMOTE_ANNOUNCEMENT_CENTER_EVENT,
+	REMOTE_ANNOUNCEMENTS_UPDATED_EVENT,
+} from '@/helpers/remote-announcements'
 import type { GameInstance } from '@/helpers/types'
 import { downloadBarTypes, injectDownloadManager } from '@/providers/download-manager'
 
@@ -231,6 +253,25 @@ const popupNotificationManager = injectPopupNotificationManager()
 const downloadManager = injectDownloadManager()
 const { formatMessage } = useVIntl()
 
+const announcementUnreadCount = ref(0)
+
+function openAnnouncementCenter() {
+	window.dispatchEvent(new CustomEvent(OPEN_REMOTE_ANNOUNCEMENT_CENTER_EVENT))
+}
+
+function updateAnnouncementCount(event: Event) {
+	const detail = (event as CustomEvent<{ unreadKeys?: string[] }>).detail
+	announcementUnreadCount.value = detail?.unreadKeys?.length ?? 0
+}
+
+onMounted(() => {
+	window.addEventListener(REMOTE_ANNOUNCEMENTS_UPDATED_EVENT, updateAnnouncementCount)
+})
+
+onBeforeUnmount(() => {
+	window.removeEventListener(REMOTE_ANNOUNCEMENTS_UPDATED_EVENT, updateAnnouncementCount)
+})
+
 type NotificationHistoryItem = {
 	key: string
 	createdAt?: number
@@ -370,6 +411,10 @@ const messages = defineMessages({
 		id: 'app.action-bar.notifications',
 		defaultMessage: 'Notifications',
 	},
+	announcements: {
+		id: 'app.action-bar.announcements',
+		defaultMessage: 'Announcements',
+	},
 	clearNotifications: {
 		id: 'app.action-bar.notifications.clear',
 		defaultMessage: 'Clear all',

apps/app-frontend/src/components/ui/RemoteAnnouncements.vue

@@ -0,0 +1,388 @@
+<script setup lang="ts">
+import {
+	Button,
+	commonMessages,
+	defineMessages,
+	NewModal,
+	useModalStack,
+	useVIntl,
+} from '@modrinth/ui'
+import { renderString } from '@modrinth/utils'
+import { openUrl } from '@tauri-apps/plugin-opener'
+import { computed, nextTick, onMounted, onUnmounted, reactive, ref, watch } from 'vue'
+
+import {
+	announcementKey,
+	isAnnouncementActive,
+	OPEN_REMOTE_ANNOUNCEMENT_CENTER_EVENT,
+	parseAnnouncements,
+	REMOTE_ANNOUNCEMENTS_UPDATED_EVENT,
+	type RemoteAnnouncement,
+	safeAnnouncementUrl,
+} from '@/helpers/remote-announcements'
+
+const props = defineProps<{ ready: boolean; previewOnly?: boolean }>()
+const { formatMessage } = useVIntl()
+const { hasModal } = useModalStack()
+const messages = defineMessages({
+	view: { id: 'app.remote-announcements.view', defaultMessage: 'View announcement' },
+	unread: { id: 'app.remote-announcements.unread', defaultMessage: 'Unread' },
+	readAll: {
+		id: 'app.remote-announcements.read-all',
+		defaultMessage: 'Mark all announcements as read',
+	},
+	centerTitle: { id: 'app.remote-announcements.center-title', defaultMessage: 'Announcements' },
+	empty: { id: 'app.remote-announcements.empty', defaultMessage: 'No announcements' },
+	previewTitle: {
+		id: 'app.remote-announcements.preview-title',
+		defaultMessage: 'Announcement style preview',
+	},
+	previewSummary: {
+		id: 'app.remote-announcements.preview-summary',
+		defaultMessage:
+			'This is a local preview. Select View announcement to preview the full Markdown content.',
+	},
+	previewContent: {
+		id: 'app.remote-announcements.preview-content',
+		defaultMessage:
+			'## Announcement preview\n\nThis is **sample content**, not a published announcement.\n\n- Supports headings, lists, and links\n- Close buttons are always available\n\n> Previewing does not change real announcement read status.\n\n| Type | Display |\n| --- | --- |\n| Modal | Full Markdown content |\n| Popup | Summary, then full content |\n\n[Visit the website](https://skin.starlight.cool/)',
+	},
+	previewAction: { id: 'app.remote-announcements.preview-action', defaultMessage: 'Visit website' },
+})
+const modal = ref<InstanceType<typeof NewModal>>()
+const selected = ref<RemoteAnnouncement | null>(null)
+const active = ref(false)
+const centerOpen = ref(false)
+const startupNotice = ref<RemoteAnnouncement | null>(null)
+const html = computed(() => renderString(selected.value?.content ?? ''))
+const stateKey = 'starlight-remote-announcements-v2'
+const read = reactive(new Set<string>())
+const queuedThisSession = new Set<string>()
+const startupNotified = new Set<string>()
+let items: RemoteAnnouncement[] = []
+let pending: RemoteAnnouncement[] = []
+let cacheKey = ''
+let cacheLoaded = false
+let disposed = false
+let interval: ReturnType<typeof setInterval> | undefined
+let advanceTimer: ReturnType<typeof setTimeout> | undefined
+
+function persist() {
+	if (props.previewOnly) return
+	try {
+		localStorage.setItem(
+			stateKey,
+			JSON.stringify({
+				read: [...read].slice(-1000),
+			}),
+		)
+	} catch {
+		// localStorage may be unavailable (private mode / quota)
+	}
+}
+function emitState() {
+	window.dispatchEvent(
+		new CustomEvent(REMOTE_ANNOUNCEMENTS_UPDATED_EVENT, {
+			detail: {
+				items,
+				unreadKeys: items.filter((item) => !read.has(announcementKey(item))).map(announcementKey),
+			},
+		}),
+	)
+}
+function openCenter(item?: RemoteAnnouncement) {
+	if (!props.ready || disposed) return
+	centerOpen.value = true
+	if (item) {
+		startupNotice.value = null
+		selectAnnouncement(item)
+	} else if (!selected.value && items.length) {
+		selectAnnouncement(items[0])
+	}
+	void nextTick(() => modal.value?.show())
+}
+function handleOpenCenter() {
+	if (props.previewOnly) return
+	openCenter()
+}
+async function show(item: RemoteAnnouncement) {
+	if (
+		disposed ||
+		!props.ready ||
+		!isAnnouncementActive(item) ||
+		(hasModal.value && !active.value && !centerOpen.value)
+	)
+		return
+	centerOpen.value = true
+	active.value = true
+	selectAnnouncement(item)
+	await nextTick()
+	if (!disposed) modal.value?.show()
+}
+function selectAnnouncement(item: RemoteAnnouncement) {
+	selected.value = item
+	const key = announcementKey(item)
+	read.add(key)
+	pending = pending.filter((entry) => announcementKey(entry) !== key)
+	persist()
+	emitState()
+}
+function markAllRead() {
+	for (const item of items) {
+		read.add(announcementKey(item))
+	}
+	pending = []
+	persist()
+	emitState()
+}
+function advance() {
+	if (disposed || !props.ready || hasModal.value || active.value) return
+	const next = pending.shift()
+	if (next) {
+		void show(next)
+		return
+	}
+	for (const item of items) {
+		const key = announcementKey(item)
+		if (
+			item.type === 'notification' &&
+			!startupNotified.has(key) &&
+			!read.has(key) &&
+			isAnnouncementActive(item)
+		) {
+			startupNotice.value = item
+			startupNotified.add(key)
+			setTimeout(() => {
+				if (startupNotice.value === item) {
+					startupNotice.value = null
+					advance()
+				}
+			}, 8000)
+			break
+		}
+	}
+}
+function closed() {
+	active.value = false
+	centerOpen.value = false
+	if (advanceTimer) clearTimeout(advanceTimer)
+	advanceTimer = setTimeout(advance, 350)
+}
+function sync(next: RemoteAnnouncement[], fresh: boolean) {
+	items = next.filter((item) => isAnnouncementActive(item))
+	const keys = new Set(items.map(announcementKey))
+	pending = pending.filter((item) => keys.has(announcementKey(item)))
+	if (selected.value && !keys.has(announcementKey(selected.value))) selected.value = null
+	emitState()
+	if (fresh) {
+		for (const item of items) {
+			const key = announcementKey(item)
+			if (
+				item.type === 'modal' &&
+				!queuedThisSession.has(key) &&
+				(!read.has(key) || item.priority === 'critical')
+			) {
+				queuedThisSession.add(key)
+				pending.push(item)
+			}
+		}
+		advance()
+	}
+}
+function loadCache() {
+	if (cacheLoaded || !cacheKey) return
+	cacheLoaded = true
+	try {
+		const cached = JSON.parse(localStorage.getItem(cacheKey) ?? 'null')
+		if (cached && typeof cached.savedAt === 'number' && Date.now() - cached.savedAt < 86400000) {
+			const parsed = parseAnnouncements(cached.items)
+			if (parsed) sync(parsed, false)
+		}
+	} catch {
+		// Ignore malformed or expired cache payloads
+	}
+}
+async function refresh() {
+	// Remote fetching is disabled until Starlight has its own announcements API.
+	// We still load any previously cached items so the center has content to show.
+	if (disposed) return
+	loadCache()
+}
+async function openLink(value: unknown) {
+	const url = safeAnnouncementUrl(value)
+	if (!url) return
+	try {
+		await openUrl(url)
+	} catch {
+		// Opener may reject unknown schemes
+	}
+}
+function contentClick(event: MouseEvent) {
+	const link = event.target instanceof Element ? event.target.closest('a') : null
+	if (!link) return
+	event.preventDefault()
+	event.stopPropagation()
+	void openLink(link.getAttribute('href'))
+}
+function preview(type: RemoteAnnouncement['type'], withAction = false) {
+	if (!props.previewOnly || !props.ready || hasModal.value || disposed) return
+	const now = new Date().toISOString()
+	const item: RemoteAnnouncement = {
+		id: 'local-preview-' + type,
+		title: formatMessage(messages.previewTitle),
+		summary: formatMessage(messages.previewSummary),
+		content: formatMessage(messages.previewContent),
+		type,
+		priority: 'normal',
+		starts_at: now,
+		ends_at: null,
+		published_at: now,
+		action_label: withAction ? formatMessage(messages.previewAction) : null,
+		action_url: withAction ? 'https://skin.starlight.cool/' : null,
+	}
+	read.clear()
+	queuedThisSession.clear()
+	sync([item], true)
+}
+defineExpose({ preview })
+onMounted(() => {
+	if (props.previewOnly) return
+	try {
+		const saved = JSON.parse(localStorage.getItem(stateKey) ?? 'null')
+		if (saved && Array.isArray(saved.read))
+			for (const key of saved.read) if (typeof key === 'string') read.add(key)
+	} catch {
+		// Ignore malformed local read-state
+	}
+	window.addEventListener(OPEN_REMOTE_ANNOUNCEMENT_CENTER_EVENT, handleOpenCenter)
+	const start = () => {
+		if (disposed) return
+		void refresh()
+		interval = setInterval(() => {
+			sync(items, false)
+			advance()
+		}, 15000)
+	}
+	// Defer the startup request until after first paint.
+	if (typeof requestIdleCallback === 'function') {
+		requestIdleCallback(start, { timeout: 2000 })
+	} else {
+		setTimeout(start, 500)
+	}
+})
+watch([() => props.ready, hasModal], () => {
+	if (advanceTimer) clearTimeout(advanceTimer)
+	advanceTimer = setTimeout(advance, 350)
+})
+onUnmounted(() => {
+	disposed = true
+	if (interval) clearInterval(interval)
+	if (advanceTimer) clearTimeout(advanceTimer)
+	window.removeEventListener(OPEN_REMOTE_ANNOUNCEMENT_CENTER_EVENT, handleOpenCenter)
+})
+</script>
+
+<template>
+	<div
+		v-if="startupNotice"
+		class="fixed right-4 top-16 z-50 w-[22rem] max-w-[calc(100vw-2rem)] rounded-xl border border-surface-5 bg-surface-3 p-3 shadow-lg"
+	>
+		<button class="w-full text-left" @click="startupNotice && openCenter(startupNotice)">
+			<div class="mb-1 text-xs font-semibold uppercase text-brand">
+				{{ formatMessage(messages.unread) }}
+			</div>
+			<div class="font-semibold text-[var(--color-text-primary)]">{{ startupNotice.title }}</div>
+			<div
+				v-if="startupNotice.summary"
+				class="mt-1 line-clamp-2 text-sm text-[var(--color-text-tertiary)]"
+			>
+				{{ startupNotice.summary }}
+			</div>
+		</button>
+	</div>
+	<NewModal
+		ref="modal"
+		:header="formatMessage(messages.centerTitle)"
+		:on-hide="closed"
+		max-width="80vw"
+		width="80vw"
+		max-content-height="calc(80vh - 8rem)"
+		scrollable
+	>
+		<div class="flex h-[calc(80vh-8rem)] min-h-0 gap-3">
+			<aside class="flex min-h-0 w-[32%] min-w-[14rem] flex-col border-r border-surface-5 pr-3">
+				<div class="mb-2 flex items-center justify-between">
+					<span class="font-semibold text-[var(--color-text-primary)]">{{
+						formatMessage(messages.centerTitle)
+					}}</span>
+					<Button
+						v-if="items.some((item) => !read.has(announcementKey(item)))"
+						@click="markAllRead"
+						>{{ formatMessage(messages.readAll) }}</Button
+					>
+				</div>
+				<div
+					v-if="!items.length"
+					class="py-8 text-center text-sm text-[var(--color-text-tertiary)]"
+				>
+					{{ formatMessage(messages.empty) }}
+				</div>
+				<div v-else class="flex min-h-0 flex-col gap-1 overflow-auto">
+					<button
+						v-for="item in items"
+						:key="announcementKey(item)"
+						class="flex items-start gap-2 rounded-lg p-2 text-left hover:bg-surface-4"
+						:class="{
+							'bg-surface-4': selected && announcementKey(selected) === announcementKey(item),
+						}"
+						@click="selectAnnouncement(item)"
+					>
+						<span
+							class="mt-1.5 size-2 shrink-0 rounded-full"
+							:class="read.has(announcementKey(item)) ? 'opacity-0' : 'bg-red'"
+						/>
+						<span class="min-w-0 flex-1">
+							<span class="block truncate font-medium text-[var(--color-text-primary)]">{{
+								item.title
+							}}</span>
+							<span class="block line-clamp-2 text-xs text-[var(--color-text-tertiary)]">{{
+								item.summary || item.content
+							}}</span>
+						</span>
+					</button>
+				</div>
+			</aside>
+			<section v-if="selected" class="min-h-0 min-w-0 flex-1 overflow-auto px-1">
+				<h2 class="mb-4 text-xl font-semibold text-[var(--color-text-primary)]">
+					{{ selected.title }}
+				</h2>
+				<div
+					class="markdown-body break-words"
+					@click="contentClick"
+					@auxclick="contentClick"
+					v-html="html"
+				/>
+				<div class="mt-4 flex justify-end">
+					<Button
+						v-if="selected.action_url && selected.action_label"
+						type="colored"
+						color="brand"
+						@click="openLink(selected.action_url)"
+						>{{ selected.action_label }}</Button
+					>
+				</div>
+			</section>
+			<div
+				v-else
+				class="flex flex-1 items-center justify-center text-sm text-[var(--color-text-tertiary)]"
+			>
+				{{ formatMessage(messages.empty) }}
+			</div>
+		</div>
+		<template #actions>
+			<div class="flex flex-wrap justify-end gap-2">
+				<Button @click="modal?.hide()">{{ formatMessage(commonMessages.closeButton) }} </Button>
+			</div>
+		</template>
+	</NewModal>
+</template>

apps/app-frontend/src/components/ui/instance_settings/WindowSettings.vue

@@ -36,24 +36,29 @@ const fullscreenSetting: Ref<boolean> = ref(
 	instance.value.force_fullscreen ?? globalSettings.force_fullscreen,
 )
 const maximizeWindowSetting = ref(instance.value.maximize_window ?? globalSettings.maximize_window)
+const windowTitle = ref(instance.value.window_title ?? '')
 
 const editInstanceObject = computed(() => {
+	const title = windowTitle.value.trim() ? windowTitle.value.trim() : null
 	if (!overrideWindowSettings.value) {
 		return {
 			force_fullscreen: null,
 			maximize_window: null,
 			game_resolution: null,
+			// The title is independent of the window-size override checkbox.
+			window_title: title,
 		}
 	}
 	return {
 		force_fullscreen: fullscreenSetting.value,
 		maximize_window: maximizeWindowSetting.value,
 		game_resolution: fullscreenSetting.value ? null : resolution.value,
+		window_title: title,
 	}
 })
 
 watch(
-	[overrideWindowSettings, resolution, fullscreenSetting, maximizeWindowSetting],
+	[overrideWindowSettings, resolution, fullscreenSetting, maximizeWindowSetting, windowTitle],
 	async () => {
 		await edit(instance.value.id, editInstanceObject.value)
 	},
@@ -109,6 +114,18 @@ const messages = defineMessages({
 		id: 'instance.settings.tabs.window.height.enter',
 		defaultMessage: 'Enter height...',
 	},
+	windowTitle: {
+		id: 'instance.settings.tabs.window.window-title',
+		defaultMessage: 'Window title',
+	},
+	windowTitleDescription: {
+		id: 'instance.settings.tabs.window.window-title.description',
+		defaultMessage: 'Customize the Minecraft window title. Leave empty to keep the default.',
+	},
+	enterWindowTitle: {
+		id: 'instance.settings.tabs.window.window-title.enter',
+		defaultMessage: 'Enter window title...',
+	},
 })
 </script>
 
@@ -200,5 +217,25 @@ const messages = defineMessages({
 				:placeholder="formatMessage(messages.enterHeight)"
 			/>
 		</div>
+		<div
+			v-if="globalSettings.custom_window_title_enabled"
+			class="flex items-center gap-4 justify-between"
+		>
+			<div class="flex flex-col gap-1">
+				<h2 class="m-0 inline-flex items-center gap-2 text-lg font-semibold text-contrast">
+					{{ formatMessage(messages.windowTitle) }}
+				</h2>
+				<p class="m-0">
+					{{ formatMessage(messages.windowTitleDescription) }}
+				</p>
+			</div>
+			<StyledInput
+				id="window-title"
+				v-model="windowTitle"
+				autocomplete="off"
+				type="text"
+				:placeholder="formatMessage(messages.enterWindowTitle)"
+			/>
+		</div>
 	</div>
 </template>

apps/app-frontend/src/components/ui/settings/DefaultInstanceSettings.vue

@@ -38,6 +38,26 @@ const messages = defineMessages({
 		id: 'app.settings.defaults.maximize-window.unsupported',
 		defaultMessage: 'Not supported on this operating system.',
 	},
+	windowTitleEnabled: {
+		id: 'app.settings.defaults.window-title.enabled',
+		defaultMessage: 'Custom Minecraft window title',
+	},
+	windowTitleEnabledDescription: {
+		id: 'app.settings.defaults.window-title.enabled-description',
+		defaultMessage: 'Allow instances to customize the Minecraft window title.',
+	},
+	defaultWindowTitle: {
+		id: 'app.settings.defaults.window-title.default',
+		defaultMessage: 'Default window title',
+	},
+	defaultWindowTitleDescription: {
+		id: 'app.settings.defaults.window-title.default-description',
+		defaultMessage: 'Used when an instance leaves its window title empty.',
+	},
+	defaultWindowTitlePlaceholder: {
+		id: 'app.settings.defaults.window-title.default-placeholder',
+		defaultMessage: 'Enter default window title...',
+	},
 	width: { id: 'app.settings.defaults.width', defaultMessage: 'Width' },
 	widthDescription: {
 		id: 'app.settings.defaults.width-description',
@@ -212,6 +232,36 @@ watch(
 					/>
 				</template>
 			</SettingsRow>
+			<SettingsRow>
+				<template #label>
+					<span id="settings-target-defaults-window-title" tabindex="-1">
+						{{ formatMessage(messages.windowTitleEnabled) }}
+					</span>
+				</template>
+				<template #description>{{
+					formatMessage(messages.windowTitleEnabledDescription)
+				}}</template>
+				<template #control>
+					<Toggle id="custom-window-title-enabled" v-model="settings.custom_window_title_enabled" />
+				</template>
+			</SettingsRow>
+			<SettingsRow stacked>
+				<template #label>{{ formatMessage(messages.defaultWindowTitle) }}</template>
+				<template #description>{{
+					formatMessage(messages.defaultWindowTitleDescription)
+				}}</template>
+				<template #control>
+					<StyledInput
+						id="default-window-title"
+						v-model="settings.default_window_title"
+						:disabled="!settings.custom_window_title_enabled"
+						autocomplete="off"
+						type="text"
+						:placeholder="formatMessage(messages.defaultWindowTitlePlaceholder)"
+						wrapper-class="w-full"
+					/>
+				</template>
+			</SettingsRow>
 		</SettingsSection>
 
 		<SettingsSection>

apps/app-frontend/src/components/ui/skin/ArmorTrimTab.vue

@@ -0,0 +1,123 @@
+<script setup lang="ts">
+import { CheckIcon, RotateCounterClockwiseIcon, XIcon } from '@modrinth/assets'
+import {
+	type ArmorPreviewConfig,
+	ArmorTrimPanel,
+	Button,
+	defineMessages,
+	useVIntl,
+} from '@modrinth/ui'
+import { computed, onMounted, onUnmounted } from 'vue'
+
+const messages = defineMessages({
+	title: { id: 'app.skins.armor.title', defaultMessage: 'Armour and trims' },
+	description: {
+		id: 'app.skins.armor.description',
+		defaultMessage: 'Try armour and trims on your skin. Nothing is stored until you save it.',
+	},
+	unsaved: { id: 'app.skins.armor.unsaved', defaultMessage: 'Unsaved changes' },
+	resetToSaved: { id: 'app.skins.armor.reset-to-saved', defaultMessage: 'Reset to saved' },
+	restoreDefaults: {
+		id: 'app.skins.armor.restore-defaults',
+		defaultMessage: 'Restore defaults',
+	},
+	save: { id: 'app.skins.armor.save', defaultMessage: 'Save' },
+	close: { id: 'app.skins.armor.close', defaultMessage: 'Close' },
+})
+
+const draft = defineModel<ArmorPreviewConfig>({ required: true })
+const props = defineProps<{
+	saved: ArmorPreviewConfig
+	/** Stable id shared with the toggle so it can point `aria-controls` here. */
+	panelId: string
+}>()
+const emit = defineEmits<{
+	save: []
+	reset: []
+	defaults: []
+	close: []
+}>()
+
+const { formatMessage } = useVIntl()
+
+/**
+ * The tab is mounted only while it is showing, so this listens exactly for that
+ * window. It listens in the capture phase because the app's own global
+ * shortcuts listen on `window` the same way, and a bubble-phase listener here
+ * would be skipped as soon as anything closer stopped the event. A modal on top
+ * of the page owns Escape while it is up, and focus sits inside it, so the key
+ * is left to it.
+ */
+function handleKeydown(event: KeyboardEvent) {
+	if (event.key !== 'Escape') return
+	if (
+		event.target instanceof Element &&
+		event.target.closest('[role="dialog"], [role="alertdialog"], [aria-modal="true"]')
+	) {
+		return
+	}
+
+	emit('close')
+}
+
+onMounted(() => window.addEventListener('keydown', handleKeydown, true))
+onUnmounted(() => window.removeEventListener('keydown', handleKeydown, true))
+
+const isDirty = computed(() =>
+	Object.entries(draft.value).some(([slot, piece]) => {
+		const applied = props.saved[slot as keyof ArmorPreviewConfig]
+		return (
+			!applied ||
+			applied.material !== piece.material ||
+			applied.trimPattern !== piece.trimPattern ||
+			applied.trimMaterial !== piece.trimMaterial
+		)
+	}),
+)
+</script>
+
+<template>
+	<div
+		:id="panelId"
+		role="region"
+		:aria-label="formatMessage(messages.title)"
+		class="flex min-h-[24rem] flex-col gap-4 rounded-2xl border border-solid border-surface-5 bg-surface-2 p-4"
+	>
+		<header class="flex flex-wrap items-start justify-between gap-3">
+			<div class="min-w-0">
+				<h2 class="m-0 text-lg font-bold text-[var(--color-text-primary)]">
+					{{ formatMessage(messages.title) }}
+				</h2>
+				<p class="m-0 mt-1 text-sm leading-6 text-[var(--color-text-tertiary)]">
+					{{ formatMessage(messages.description) }}
+				</p>
+			</div>
+			<div class="flex shrink-0 flex-wrap items-center gap-2">
+				<span v-if="isDirty" class="text-sm font-semibold text-[var(--color-text-tertiary)]">
+					{{ formatMessage(messages.unsaved) }}
+				</span>
+				<Button type="outlined" @click="emit('close')"
+					><XIcon />{{ formatMessage(messages.close) }}</Button
+				>
+			</div>
+		</header>
+
+		<ArmorTrimPanel v-model="draft" />
+
+		<footer
+			class="mt-auto flex flex-wrap items-center justify-between gap-2 border-0 border-t border-solid border-surface-5 pt-3"
+		>
+			<div class="flex flex-wrap items-center gap-2">
+				<Button type="outlined" :disabled="!isDirty" @click="emit('reset')"
+					><RotateCounterClockwiseIcon />{{ formatMessage(messages.resetToSaved) }}</Button
+				>
+				<Button type="outlined" @click="emit('defaults')">{{
+					formatMessage(messages.restoreDefaults)
+				}}</Button>
+			</div>
+			<Button type="colored" color="brand" :disabled="!isDirty" @click="emit('save')"
+				><CheckIcon />{{ formatMessage(messages.save) }}</Button
+			>
+		</footer>
+	</div>
+</template>

apps/app-frontend/src/components/ui/skin/SkinListSkeleton.vue

@@ -0,0 +1,28 @@
+<script setup lang="ts">
+const { sections = 2, cards = 12 } = defineProps<{
+	sections?: number
+	cards?: number
+}>()
+</script>
+
+<template>
+	<!--
+		Shaped after VirtualSkinSectionList: the same grid breakpoints and card
+		ratio, so the swap to real content does not move anything. Decorative, so
+		it stays out of the accessibility tree.
+	-->
+	<div class="flex flex-col gap-8" aria-hidden="true">
+		<div v-for="section in sections" :key="section" class="flex flex-col gap-4">
+			<div class="h-7 w-44 animate-pulse rounded-lg bg-surface-4" />
+			<div
+				class="grid w-full grid-cols-3 gap-3 min-[1300px]:grid-cols-4 min-[1750px]:grid-cols-5 min-[2050px]:grid-cols-6"
+			>
+				<div
+					v-for="card in cards"
+					:key="card"
+					class="aspect-[31/40] w-full animate-pulse rounded-[20px] bg-surface-4"
+				/>
+			</div>
+		</div>
+	</div>
+</template>

apps/app-frontend/src/helpers/remote-announcements.ts

@@ -64,3 +64,6 @@ export function isAnnouncementActive(item: RemoteAnnouncement, now = Date.now())
 export function announcementKey(item: RemoteAnnouncement) {
 	return item.id + ':' + item.published_at
 }
+
+export const REMOTE_ANNOUNCEMENTS_UPDATED_EVENT = 'starlight:remote-announcements-updated'
+export const OPEN_REMOTE_ANNOUNCEMENT_CENTER_EVENT = 'starlight:open-remote-announcement-center'

apps/app-frontend/src/helpers/skin-armor-preview.test.ts

@@ -0,0 +1,60 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { loadSkinArmorPreview, saveSkinArmorPreview } from './skin-armor-preview.ts'
+
+const originalStorage = Object.getOwnPropertyDescriptor(globalThis, 'localStorage')
+
+function withStorage(run: (values: Map<string, string>) => void): void {
+	const values = new Map<string, string>()
+	Object.defineProperty(globalThis, 'localStorage', {
+		configurable: true,
+		value: {
+			getItem: (key: string) => values.get(key) ?? null,
+			setItem: (key: string, value: string) => values.set(key, value),
+		},
+	})
+	try {
+		run(values)
+	} finally {
+		if (originalStorage) Object.defineProperty(globalThis, 'localStorage', originalStorage)
+		else delete (globalThis as { localStorage?: Storage }).localStorage
+	}
+}
+
+test('armor preview selections survive storage round trips', () => {
+	withStorage(() => {
+		const config = loadSkinArmorPreview()
+		config.helmet.material = 'diamond'
+		config.helmet.trimPattern = 'sentry'
+		config.helmet.trimMaterial = 'gold'
+		saveSkinArmorPreview(config)
+
+		assert.deepEqual(loadSkinArmorPreview(), config)
+	})
+})
+
+test('invalid stored armor values fall back per slot and field', () => {
+	withStorage((values) => {
+		values.set(
+			'axolotl:skin-armor-preview',
+			JSON.stringify({
+				helmet: { material: 'diamond', trimPattern: 'invalid', trimMaterial: 'gold' },
+				boots: { material: 'turtle', trimPattern: 'sentry', trimMaterial: 'invalid' },
+			}),
+		)
+
+		const config = loadSkinArmorPreview()
+		assert.deepEqual(config.helmet, {
+			material: 'diamond',
+			trimPattern: null,
+			trimMaterial: 'gold',
+		})
+		assert.deepEqual(config.boots, {
+			material: null,
+			trimPattern: 'sentry',
+			trimMaterial: 'iron',
+		})
+		assert.equal(config.chestplate.material, null)
+	})
+})

apps/app-frontend/src/helpers/skin-armor-preview.ts

@@ -0,0 +1,47 @@
+import {
+	ARMOR_SLOTS,
+	ARMOR_TRIM_MATERIALS,
+	ARMOR_TRIM_PATTERNS,
+	armorMaterialsForSlot,
+	type ArmorPreviewConfig,
+	createDefaultArmorPreviewConfig,
+} from '@modrinth/ui'
+
+const STORAGE_KEY = 'axolotl:skin-armor-preview'
+
+function includes<T extends string>(values: readonly T[], value: unknown): value is T {
+	return typeof value === 'string' && values.some((item) => item === value)
+}
+
+export function loadSkinArmorPreview(): ArmorPreviewConfig {
+	const config = createDefaultArmorPreviewConfig()
+	try {
+		const saved = JSON.parse(globalThis.localStorage?.getItem(STORAGE_KEY) ?? 'null')
+		if (!saved || typeof saved !== 'object' || Array.isArray(saved)) return config
+
+		for (const slot of ARMOR_SLOTS) {
+			const piece = saved[slot]
+			if (!piece || typeof piece !== 'object' || Array.isArray(piece)) continue
+			if (piece.material === null || includes(armorMaterialsForSlot(slot), piece.material)) {
+				config[slot].material = piece.material
+			}
+			if (piece.trimPattern === null || includes(ARMOR_TRIM_PATTERNS, piece.trimPattern)) {
+				config[slot].trimPattern = piece.trimPattern
+			}
+			if (includes(ARMOR_TRIM_MATERIALS, piece.trimMaterial)) {
+				config[slot].trimMaterial = piece.trimMaterial
+			}
+		}
+	} catch {
+		// Invalid or unavailable local storage falls back to a fresh preview.
+	}
+	return config
+}
+
+export function saveSkinArmorPreview(config: ArmorPreviewConfig): void {
+	try {
+		globalThis.localStorage?.setItem(STORAGE_KEY, JSON.stringify(config))
+	} catch {
+		// The preview remains usable when local storage is unavailable.
+	}
+}

apps/app-frontend/src/helpers/types.d.ts

@@ -55,6 +55,7 @@ export type GameInstance = {
 	force_fullscreen?: boolean
 	maximize_window?: boolean
 	game_resolution?: [number, number]
+	window_title?: string | null
 	launch_preparation_timeout?: number | null
 	hooks: Hooks
 }
@@ -239,6 +240,8 @@ type AppSettings = {
 	force_fullscreen: boolean
 	maximize_window: boolean
 	game_resolution: [number, number]
+	custom_window_title_enabled: boolean
+	default_window_title: string
 	hide_on_process_start: boolean
 	enter_lightweight_mode_on_game_launch: boolean
 	auto_set_java_high_performance_mode: boolean

apps/app-frontend/src/locales/en-US/index.json

@@ -11431,5 +11431,59 @@
   },
   "app.anniversary.banner": {
     "message": "Happy {ordinal} Anniversary, Starlight!"
+  },
+  "instance.settings.tabs.window.window-title": {
+    "message": "Window title"
+  },
+  "instance.settings.tabs.window.window-title.description": {
+    "message": "Customize the Minecraft window title. Leave empty to keep the default."
+  },
+  "instance.settings.tabs.window.window-title.enter": {
+    "message": "Enter window title..."
+  },
+  "app.settings.defaults.window-title.enabled": {
+    "message": "Custom Minecraft window title"
+  },
+  "app.settings.defaults.window-title.enabled-description": {
+    "message": "Allow instances to customize the Minecraft window title."
+  },
+  "app.settings.defaults.window-title.default": {
+    "message": "Default window title"
+  },
+  "app.settings.defaults.window-title.default-description": {
+    "message": "Used when an instance does not provide its own title."
+  },
+  "app.settings.defaults.window-title.default-placeholder": {
+    "message": "Enter the default window title..."
+  },
+  "app.action-bar.announcements": {
+    "message": "Announcements"
+  },
+  "app.remote-announcements.center-title": {
+    "message": "Announcements"
+  },
+  "app.remote-announcements.empty": {
+    "message": "No announcements"
+  },
+  "app.remote-announcements.view": {
+    "message": "View announcement"
+  },
+  "app.remote-announcements.unread": {
+    "message": "Unread"
+  },
+  "app.remote-announcements.read-all": {
+    "message": "Mark all announcements as read"
+  },
+  "app.remote-announcements.preview-title": {
+    "message": "Announcement style preview"
+  },
+  "app.remote-announcements.preview-summary": {
+    "message": "This is a local preview notification. Select View announcement to see the full Markdown content."
+  },
+  "app.remote-announcements.preview-content": {
+    "message": "## Announcement preview\n\nThis is **sample content**, not a published announcement.\n\n- Supports headings, lists, and links\n- Close buttons are always available\n\n> Previewing does not change real announcement read status.\n\n| Type | Display |\n| --- | --- |\n| Modal | Full Markdown content |\n| Popup | Summary, then full content |\n\n[Visit the website](https://skin.starlight.cool/)"
+  },
+  "app.remote-announcements.preview-action": {
+    "message": "Visit website"
   }
-}
+}

apps/app-frontend/src/locales/zh-CN/index.json

@@ -11351,5 +11351,16 @@
 	"app.settings.synced-options.game-settings.value-off": { "message": "关闭" },
 	"app.settings.synced-options.game-settings.value-on": { "message": "开启" },
 	"app.settings.synced-options.game-settings.value-unset": { "message": "选择一个值" },
-	"app.anniversary.banner": { "message": "Starlight {ordinal} 周年快乐！" }
+	"app.anniversary.banner": { "message": "Starlight {ordinal} 周年快乐！" },
-}
+	"instance.settings.tabs.window.window-title": { "message": "窗口标题" },
+	"instance.settings.tabs.window.window-title.description": { "message": "自定义 Minecraft 窗口标题。留空则使用默认标题。" },
+	"instance.settings.tabs.window.window-title.enter": { "message": "输入窗口标题..." },
+	"app.settings.defaults.window-title.enabled": { "message": "自定义 Minecraft 窗口标题" },
+	"app.settings.defaults.window-title.enabled-description": { "message": "允许实例自定义 Minecraft 窗口标题。" },
+	"app.settings.defaults.window-title.default": { "message": "默认窗口标题" },
+	"app.settings.defaults.window-title.default-description": { "message": "当实例未提供自己的标题时使用。" },
+	"app.settings.defaults.window-title.default-placeholder": { "message": "输入默认窗口标题..." },
+	"app.action-bar.announcements": { "message": "公告" },
+	"app.remote-announcements.center-title": { "message": "公告" },
+	"app.remote-announcements.empty": { "message": "暂无公告" }
+}

apps/app-frontend/src/pages/Skins.vue

@@ -9,9 +9,13 @@ import {
 	SpinnerIcon,
 } from '@modrinth/assets'
 import {
+	type ArmorPreviewConfig,
+	ArmorPreviewControls,
 	ButtonStyled,
+	cloneArmorPreviewConfig,
 	commonMessages,
 	ConfirmModal,
+	createDefaultArmorPreviewConfig,
 	defineMessages,
 	injectNotificationManager,
 	NavTabs,
@@ -24,12 +28,14 @@ import { invoke } from '@tauri-apps/api/core'
 import type { DragDropEvent } from '@tauri-apps/api/webview'
 import { getCurrentWebview } from '@tauri-apps/api/webview'
 import { computedAsync } from '@vueuse/core'
-import type { Ref } from 'vue'
+import type { ComponentPublicInstance, Ref } from 'vue'
 import { computed, inject, onMounted, onUnmounted, ref, useTemplateRef, watch } from 'vue'
 import { onBeforeRouteLeave, useRouter } from 'vue-router'
 
 import type AccountsCard from '@/components/ui/AccountsCard.vue'
+import ArmorTrimTab from '@/components/ui/skin/ArmorTrimTab.vue'
 import EditSkinModal from '@/components/ui/skin/EditSkinModal.vue'
+import SkinListSkeleton from '@/components/ui/skin/SkinListSkeleton.vue'
 import VirtualSkinSectionList from '@/components/ui/skin/VirtualSkinSectionList.vue'
 import {
 	openSkinSiteLogin,
@@ -45,6 +51,7 @@ import { useNetworkStatus } from '@/composables/useNetworkStatus'
 import { check_reachable, get_default_user, users } from '@/helpers/auth'
 import type { RenderResult } from '@/helpers/rendering/batch-skin-renderer.ts'
 import { skinBlobUrlMap } from '@/helpers/rendering/batch-skin-renderer.ts'
+import { loadSkinArmorPreview, saveSkinArmorPreview } from '@/helpers/skin-armor-preview'
 import type { Cape, Skin, SkinTextureUrl } from '@/helpers/skins.ts'
 import {
 	determineModelType,
@@ -252,6 +259,8 @@ const editSkinModal = useTemplateRef('editSkinModal')
 const addSkinFileInput = useTemplateRef<HTMLInputElement>('addSkinFileInput')
 const skinSectionList = useTemplateRef<VirtualSkinSectionListExpose>('skinSectionList')
 const skinPreviewArea = useTemplateRef<HTMLElement>('skinPreviewArea')
+const armorTrimTab = useTemplateRef<ComponentPublicInstance>('armorTrimTab')
+const armorPreviewControls = useTemplateRef<ComponentPublicInstance>('armorPreviewControls')
 
 const { formatMessage } = useVIntl()
 const router = useRouter()
@@ -391,7 +400,8 @@ const isAddSkinButtonDragActive = ref(false)
 
 const deleteSkinModal = ref()
 const skinToDelete = ref<Skin | null>(null)
-const skinListTab = ref<'saved' | 'default'>('saved')
+const lastSkinListTab = ref<'saved' | 'default'>('saved')
+const skinListTab = ref<'saved' | 'default' | 'armor'>('saved')
 
 const skinListTabLinks = computed(() => [
 	{
@@ -403,6 +413,70 @@ const skinListTabLinks = computed(() => [
 		label: formatMessage(messages.defaultTab),
 	},
 ])
+const ARMOR_TRIM_PANEL_ID = 'skins-armor-trim-panel'
+const savedArmorPreview = ref<ArmorPreviewConfig>(loadSkinArmorPreview())
+const armorPreviewConfig = ref<ArmorPreviewConfig>(cloneArmorPreviewConfig(savedArmorPreview.value))
+
+function saveArmorPreview() {
+	savedArmorPreview.value = cloneArmorPreviewConfig(armorPreviewConfig.value)
+	saveSkinArmorPreview(savedArmorPreview.value)
+}
+
+function resetArmorPreviewToSaved() {
+	armorPreviewConfig.value = cloneArmorPreviewConfig(savedArmorPreview.value)
+}
+
+function restoreDefaultArmorPreview() {
+	armorPreviewConfig.value = createDefaultArmorPreviewConfig()
+}
+
+/** A third tab behind the two list tabs, opened from the preview's action row. */
+function openArmorTab() {
+	if (skinListTab.value !== 'armor') lastSkinListTab.value = skinListTab.value
+
+	skinListTab.value = 'armor'
+}
+
+/**
+ * Whether an element belongs to the armour surface: somewhere inside the open
+ * armour tab or the button that toggles it. Only those hold a focus ring that
+ * would be left behind when the tab closes.
+ */
+function isArmorPreviewElement(element: Element) {
+	const tabElement: unknown = armorTrimTab.value?.$el
+	const toggleElement: unknown = armorPreviewControls.value?.$el
+
+	return (
+		(tabElement instanceof Element && tabElement.contains(element)) ||
+		(toggleElement instanceof Element && toggleElement.contains(element))
+	)
+}
+
+function closeArmorTab() {
+	// Leaving the tab drops whatever was not saved on purpose.
+	resetArmorPreviewToSaved()
+	skinListTab.value = lastSkinListTab.value
+
+	// Escape and the toggle both leave the armour button holding focus, which
+	// keeps its focus ring drawn until something else is clicked. Only drop that
+	// ring when the focus sits on the armour surface, never on an unrelated
+	// control that happened to hold it when Escape was pressed.
+	const focused = document.activeElement
+	if (focused instanceof HTMLElement && isArmorPreviewElement(focused)) focused.blur()
+}
+
+/**
+ * The tab bar keeps the last list tab highlighted while the armour tab shows, so
+ * picking one of them leaves the armour tab. That transition has to drop the
+ * draft exactly like the toggle and Escape paths do, or it lingers on the model
+ * while the panel is gone.
+ */
+function selectSkinListTab(index: number) {
+	if (skinListTab.value === 'armor') resetArmorPreviewToSaved()
+
+	lastSkinListTab.value = index === 0 ? 'saved' : 'default'
+	skinListTab.value = lastSkinListTab.value
+}
 
 function confirmDeleteSkin(skin: Skin) {
 	if (isSkinManagementReadOnly.value) return
@@ -1211,6 +1285,9 @@ await loadSkins()
 				class="ml-5 mt-4 flex h-[calc(80vh-1rem)] items-center justify-center max-[700px]:h-[calc(50vh-1rem)]"
 			>
 				<SkinPreviewRenderer
+					v-model:armor-config="armorPreviewConfig"
+					armor-preview
+					:armor-controls="false"
 					:cape-src="capeTexture"
 					:texture-src="skinTexture || ''"
 					:variant="skinVariant"
@@ -1257,6 +1334,16 @@ await loadSkins()
 							<EditIcon />
 							{{ formatMessage(messages.editSkinButton) }}
 						</button>
+						<ArmorPreviewControls
+							v-if="!isSkinSiteProfile"
+							ref="armorPreviewControls"
+							v-model="armorPreviewConfig"
+							panel="external"
+							:panel-id="ARMOR_TRIM_PANEL_ID"
+							:open="skinListTab === 'armor'"
+							@open="openArmorTab"
+							@close="closeArmorTab"
+						/>
 					</template>
 				</SkinPreviewRenderer>
 			</div>
@@ -1265,14 +1352,10 @@ await loadSkins()
 		<div class="pt-2">
 			<div class="mb-4 flex flex-wrap items-center justify-between gap-3">
 				<NavTabs
-					:active-index="skinListTab === 'saved' ? 0 : 1"
+					:active-index="lastSkinListTab === 'saved' ? 0 : 1"
 					:links="skinListTabLinks"
 					mode="local"
-					@tab-click="
+					@tab-click="selectSkinListTab"
-						(index: number) => {
-							skinListTab = index === 0 ? 'saved' : 'default'
-						}
-					"
 				/>
 				<ButtonStyled v-if="!isSkinSiteProfile" color="brand">
 					<button @click="router.push('/lab/skin-editor')">
@@ -1281,27 +1364,45 @@ await loadSkins()
 					</button>
 				</ButtonStyled>
 			</div>
-			<VirtualSkinSectionList
+			<Transition name="armor-tab" mode="out-in">
-				ref="skinSectionList"
+				<div v-if="skinListTab !== 'armor'" key="list">
-				:active-tab="skinListTab"
+					<SkinListSkeleton v-if="isSkinListBuffering" />
-				:saved-skins="savedSkins"
+					<VirtualSkinSectionList
-				:default-skin-sections="defaultSkinSections"
+						v-show="!isSkinListBuffering"
-				:get-baked-skin-textures="getBakedSkinTextures"
+						ref="skinSectionList"
-				:is-skin-selected="isSkinSelected"
+						:active-tab="skinListTab"
-				:is-skin-active="isSkinActive"
+						:saved-skins="savedSkins"
-				:is-add-skin-button-drag-active="isAddSkinButtonDragActive"
+						:default-skin-sections="defaultSkinSections"
-				:read-only="isSkinManagementReadOnly"
+						:get-baked-skin-textures="getBakedSkinTextures"
-				:manage-saved-skins="!isSkinSiteProfile"
+						:is-skin-selected="isSkinSelected"
-				@select="changeSkin"
+						:is-skin-active="isSkinActive"
-				@edit="(skin, event) => !isSkinSiteProfile && editSkinModal?.show(event, skin)"
+						:is-add-skin-button-drag-active="isAddSkinButtonDragActive"
-				@delete="confirmDeleteSkin"
+						:read-only="isSkinManagementReadOnly"
-				@reorder-saved-skins="reorderSavedSkins"
+						:manage-saved-skins="!isSkinSiteProfile"
-				@add-skin="openAddSkinFileBrowser"
+						@select="changeSkin"
-				@add-skin-dragenter="onAddSkinDragOver"
+						@edit="(skin, event) => !isSkinSiteProfile && editSkinModal?.show(event, skin)"
-				@add-skin-dragover="onAddSkinDragOver"
+						@delete="confirmDeleteSkin"
-				@add-skin-dragleave="onAddSkinDragLeave"
+						@reorder-saved-skins="reorderSavedSkins"
-				@add-skin-drop="onAddSkinDrop"
+						@add-skin="openAddSkinFileBrowser"
-			/>
+						@add-skin-dragenter="onAddSkinDragOver"
+						@add-skin-dragover="onAddSkinDragOver"
+						@add-skin-dragleave="onAddSkinDragLeave"
+						@add-skin-drop="onAddSkinDrop"
+					/>
+				</div>
+				<ArmorTrimTab
+					v-else
+					ref="armorTrimTab"
+					key="armor"
+					v-model="armorPreviewConfig"
+					:panel-id="ARMOR_TRIM_PANEL_ID"
+					:saved="savedArmorPreview"
+					@save="saveArmorPreview"
+					@reset="resetArmorPreviewToSaved"
+					@defaults="restoreDefaultArmorPreview"
+					@close="closeArmorTab"
+				/>
+			</Transition>
 		</div>
 	</div>
 
@@ -1382,4 +1483,17 @@ await loadSkins()
 		grid-template-columns: 1fr;
 	}
 }
+// The armour tab crossfades with the skin list it replaces.
+.armor-tab-enter-active,
+.armor-tab-leave-active {
+	transition:
+		opacity 180ms ease,
+		transform 180ms ease;
+}
+
+.armor-tab-enter-from,
+.armor-tab-leave-to {
+	opacity: 0;
+	transform: translateY(0.5rem);
+}
 </style>

apps/app/src/api/instance/mod.rs

@@ -333,6 +333,12 @@ pub struct EditInstance {
     )]
     pub launch_preparation_timeout: Option<Option<u64>>,
     pub hooks: Option<Hooks>,
+    #[serde(
+        default,
+        skip_serializing_if = "Option::is_none",
+        with = "serde_with::rust::double_option"
+    )]
+    pub window_title: Option<Option<String>>,
 
     #[serde(
         default,
@@ -531,7 +537,8 @@ fn edit_to_core(edit_instance: EditInstance) -> Result<CoreEditInstance> {
                 || edit_instance.maximize_window.is_some()
                 || edit_instance.game_resolution.is_some()
                 || edit_instance.launch_preparation_timeout.is_some()
-                || edit_instance.hooks.is_some();
+                || edit_instance.hooks.is_some()
+                || edit_instance.window_title.is_some();
             if has_launch_change {
                 Some(InstanceLaunchOverridesPatch {
                     player: None,
@@ -546,6 +553,7 @@ fn edit_to_core(edit_instance: EditInstance) -> Result<CoreEditInstance> {
                     launch_preparation_timeout: edit_instance
                         .launch_preparation_timeout,
                     hooks: edit_instance.hooks,
+                    window_title: edit_instance.window_title,
                 })
             } else {
                 None

apps/app/src/lightweight_mode.rs

@@ -253,6 +253,14 @@ impl LightweightMode {
                     if payload.maximize_window {
                         maximize_minecraft_window(payload.pid).await;
                     }
+                    if let Some(title) = payload
+                        .window_title
+                        .as_ref()
+                        .map(|value| value.trim())
+                        .filter(|value| !value.is_empty())
+                    {
+                        rename_minecraft_window(payload.pid, title).await;
+                    }
                     let settings = match theseus::settings::get().await {
                         Ok(settings) => settings,
                         Err(error) => {
@@ -332,6 +340,8 @@ struct ProcessEventPayload {
     pid: u32,
     #[serde(default)]
     maximize_window: bool,
+    #[serde(default)]
+    window_title: Option<String>,
     event: String,
     crashed: Option<bool>,
     #[serde(default)]
@@ -339,7 +349,7 @@ struct ProcessEventPayload {
 }
 
 #[cfg(target_os = "windows")]
-use std::sync::atomic::{AtomicBool, AtomicU32, Ordering};
+use std::sync::atomic::{AtomicBool, AtomicIsize, AtomicU32, Ordering};
 
 #[cfg(target_os = "windows")]
 static MAXIMIZE_PROCESS_ID: AtomicU32 = AtomicU32::new(0);
@@ -400,6 +410,74 @@ async fn maximize_minecraft_window(pid: u32) {
 
 #[cfg(not(target_os = "windows"))]
 async fn maximize_minecraft_window(_pid: u32) {}
+#[cfg(target_os = "windows")]
+static RENAME_WINDOW_HANDLE: AtomicIsize = AtomicIsize::new(0);
+
+#[cfg(target_os = "windows")]
+unsafe extern "system" fn rename_if_owned_by_process(
+    hwnd: windows::Win32::Foundation::HWND,
+    _: windows::Win32::Foundation::LPARAM,
+) -> windows::core::BOOL {
+    use windows::Win32::UI::WindowsAndMessaging::{
+        GetWindowThreadProcessId, IsWindowVisible,
+    };
+    use windows::core::BOOL;
+
+    let mut window_pid = 0;
+    unsafe { GetWindowThreadProcessId(hwnd, Some(&mut window_pid)) };
+    if window_pid == MAXIMIZE_PROCESS_ID.load(Ordering::Relaxed)
+        && unsafe { IsWindowVisible(hwnd).as_bool() }
+    {
+        RENAME_WINDOW_HANDLE.store(hwnd.0 as isize, Ordering::Relaxed);
+        return BOOL(0);
+    }
+    BOOL(1)
+}
+
+#[cfg(target_os = "windows")]
+async fn rename_minecraft_window(pid: u32, title: &str) {
+    if pid == 0 || title.is_empty() {
+        return;
+    }
+
+    // PCL keeps re-applying the title: FML/Quilt and some mods reset it
+    // while the game boots, so a one-shot rename is not enough.
+    let deadline =
+        tokio::time::Instant::now() + std::time::Duration::from_secs(45);
+    let mut applied = false;
+    loop {
+        let found = {
+            let _guard = MAXIMIZE_WINDOW_ENUMERATION.lock();
+            MAXIMIZE_PROCESS_ID.store(pid, Ordering::Relaxed);
+            RENAME_WINDOW_HANDLE.store(0, Ordering::Relaxed);
+            unsafe {
+                use windows::Win32::Foundation::LPARAM;
+                use windows::Win32::UI::WindowsAndMessaging::EnumWindows;
+                let _ =
+                    EnumWindows(Some(rename_if_owned_by_process), LPARAM(0));
+            }
+            RENAME_WINDOW_HANDLE.load(Ordering::Relaxed)
+        };
+        if found != 0 {
+            let hwnd = windows::Win32::Foundation::HWND(found as *mut _);
+            let wide: Vec<u16> = title.encode_utf16().chain(Some(0)).collect();
+            unsafe {
+                use windows::Win32::UI::WindowsAndMessaging::SetWindowTextW;
+                let _ =
+                    SetWindowTextW(hwnd, windows::core::PCWSTR(wide.as_ptr()));
+            }
+            applied = true;
+        }
+        if tokio::time::Instant::now() >= deadline {
+            return;
+        }
+        let _ = applied;
+        tokio::time::sleep(std::time::Duration::from_millis(400)).await;
+    }
+}
+
+#[cfg(not(target_os = "windows"))]
+async fn rename_minecraft_window(_pid: u32, _title: &str) {}
 
 #[tauri::command]
 pub fn lightweight_mode_frontend_ready(

packages/app-lib/migrations/20261004000000_custom-window-title.sql

@@ -0,0 +1,2 @@
+ALTER TABLE settings ADD COLUMN custom_window_title_enabled INTEGER NOT NULL DEFAULT FALSE;
+ALTER TABLE settings ADD COLUMN default_window_title TEXT NOT NULL DEFAULT 'Minecraft';

packages/app-lib/src/api/instance/run.rs

@@ -250,6 +250,17 @@ async fn run_credentials(
         .launch_overrides
         .maximize_window
         .unwrap_or(settings.maximize_window);
+    let window_title = settings
+        .custom_window_title_enabled
+        .then(|| {
+            context
+                .launch_overrides
+                .window_title
+                .clone()
+                .filter(|value| !value.trim().is_empty())
+                .unwrap_or_else(|| settings.default_window_title.clone())
+        })
+        .filter(|value| !value.trim().is_empty());
     let env_args = context
         .launch_overrides
         .custom_env_vars
@@ -319,6 +330,7 @@ async fn run_credentials(
         &memory,
         &resolution,
         maximize_window,
+        window_title,
         credentials,
         post_exit_hook,
         &context,

packages/app-lib/src/api/pack/import/axolotl.rs

@@ -157,6 +157,7 @@ pub(crate) async fn import_axolotl(
                 ),
                 maximize_window: Some(config.launch_overrides.maximize_window),
                 game_resolution: Some(config.launch_overrides.game_resolution),
+                window_title: None,
                 launch_preparation_timeout: Some(
                     config.launch_overrides.launch_preparation_timeout,
                 ),

packages/app-lib/src/event/emit.rs

@@ -400,6 +400,7 @@ pub async fn emit_process(
     uuid: Uuid,
     pid: u32,
     maximize_window: bool,
+    window_title: Option<String>,
     event: ProcessPayloadType,
     message: &str,
     crashed: Option<bool>,
@@ -416,6 +417,7 @@ pub async fn emit_process(
                     uuid,
                     pid,
                     maximize_window,
+                    window_title,
                     event,
                     message: message.to_string(),
                     crashed,

packages/app-lib/src/event/mod.rs

@@ -336,6 +336,8 @@ pub struct ProcessPayload {
     pub uuid: Uuid,
     pub pid: u32,
     pub maximize_window: bool,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub window_title: Option<String>,
     pub event: ProcessPayloadType,
     pub message: String,
     #[serde(skip_serializing_if = "Option::is_none")]

packages/app-lib/src/launcher/mod.rs

@@ -1520,6 +1520,7 @@ pub async fn launch_minecraft(
     memory: &MemorySettings,
     resolution: &WindowSize,
     maximize_window: bool,
+    window_title: Option<String>,
     credentials: &Credentials,
     post_exit_hook: Option<String>,
     context: &InstanceLaunchContext,
@@ -2391,6 +2392,7 @@ pub async fn launch_minecraft(
             command,
             post_exit_hook,
             maximize_window,
+            window_title,
             instance_path.clone(),
             logs_folder,
             version_info.logging.is_some(),

packages/app-lib/src/state/instances/commands/create_direct_link_instance.rs

@@ -1,6 +1,5 @@
 use crate::api::pack::import::{
-    ImportLauncherType,
+    ImportLauncherType, direct_link::resolve_direct_link,
-    direct_link::resolve_direct_link,
 };
 use crate::launcher::ExternalGameDirMode;
 use crate::state::instances::{

packages/app-lib/src/state/instances/commands/edit_instance.rs

@@ -103,6 +103,12 @@ pub struct InstanceLaunchOverridesPatch {
         skip_serializing_if = "Option::is_none",
         with = "serde_with::rust::double_option"
     )]
+    pub window_title: Option<Option<String>>,
+    #[serde(
+        default,
+        skip_serializing_if = "Option::is_none",
+        with = "serde_with::rust::double_option"
+    )]
     pub launch_preparation_timeout: Option<Option<u64>>,
     pub hooks: Option<Hooks>,
 }
@@ -371,6 +377,10 @@ fn apply_launch_overrides_patch(
     if let Some(game_resolution) = patch.game_resolution {
         overrides.game_resolution = game_resolution;
     }
+    if let Some(window_title) = patch.window_title {
+        overrides.window_title =
+            window_title.filter(|value| !value.trim().is_empty());
+    }
     if let Some(mode) = patch.instance_mode {
         overrides.instance_mode = Some(mode);
     }

packages/app-lib/src/state/instances/commands/sync_direct_link_instances.rs

@@ -1,7 +1,7 @@
 use super::create_direct_link_instance::create_direct_link_instance;
 use crate::api::pack::import::direct_link::{
-    detect_direct_link_source,
+    detect_direct_link_source, has_minecraft_version_manifest,
-    has_minecraft_version_manifest, resolve_direct_link,
+    resolve_direct_link,
 };
 use crate::event::{InstancePayloadType, emit::emit_instance};
 use crate::launcher::ExternalGameDirMode;

packages/app-lib/src/state/instances/model/launch.rs

@@ -38,6 +38,8 @@ pub struct InstanceLaunchOverrides {
     pub maximize_window: Option<bool>,
     pub game_resolution: Option<WindowSize>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub window_title: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
     pub launch_preparation_timeout: Option<u64>,
     pub hooks: Hooks,
 }
@@ -55,6 +57,7 @@ impl InstanceLaunchOverrides {
             force_fullscreen: None,
             maximize_window: None,
             game_resolution: None,
+            window_title: None,
             launch_preparation_timeout: None,
             hooks: Hooks {
                 pre_launch: None,
@@ -86,6 +89,8 @@ pub(crate) struct InstanceLaunchOverridesData {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub game_resolution: Option<WindowSize>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub window_title: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
     pub launch_preparation_timeout: Option<u64>,
     #[serde(default)]
     pub hooks: Hooks,
@@ -107,6 +112,7 @@ impl InstanceLaunchOverridesData {
             force_fullscreen: self.force_fullscreen,
             maximize_window: self.maximize_window,
             game_resolution: self.game_resolution,
+            window_title: self.window_title,
             launch_preparation_timeout: self.launch_preparation_timeout,
             hooks: self.hooks,
         }
@@ -125,6 +131,7 @@ impl From<&InstanceLaunchOverrides> for InstanceLaunchOverridesData {
             force_fullscreen: overrides.force_fullscreen,
             maximize_window: overrides.maximize_window,
             game_resolution: overrides.game_resolution,
+            window_title: overrides.window_title.clone(),
             launch_preparation_timeout: overrides.launch_preparation_timeout,
             hooks: overrides.hooks.clone(),
         }

packages/app-lib/src/state/legacy_converter.rs

@@ -621,6 +621,7 @@ where
         force_fullscreen: input.force_fullscreen,
         maximize_window: None,
         game_resolution: input.game_resolution,
+        window_title: None,
         launch_preparation_timeout: None,
         hooks: input.hooks,
     };

packages/app-lib/src/state/process.rs

@@ -312,6 +312,7 @@ impl ProcessManager {
         mut mc_command: Command,
         post_exit_command: Option<String>,
         maximize_window: bool,
+        window_title: Option<String>,
         game_dir: PathBuf,
         logs_folder: PathBuf,
         xml_logging: bool,
@@ -336,6 +337,7 @@ impl ProcessManager {
                 uuid: Uuid::new_v4(),
                 pid: mc_proc.id().unwrap_or_default(),
                 maximize_window,
+                window_title: window_title.clone(),
                 start_time: Utc::now(),
                 instance_id: instance_id.to_string(),
                 instance_path: instance_path.to_string(),
@@ -509,6 +511,7 @@ impl ProcessManager {
             metadata.uuid,
             metadata.pid,
             metadata.maximize_window,
+            metadata.window_title.clone(),
             ProcessPayloadType::Launched,
             "Launched Minecraft",
             None,
@@ -586,6 +589,7 @@ pub struct ProcessMetadata {
     pub uuid: Uuid,
     pub pid: u32,
     pub maximize_window: bool,
+    pub window_title: Option<String>,
     pub instance_id: String,
     pub instance_path: String,
     pub instance_name: String,
@@ -1311,6 +1315,7 @@ impl Process {
             uuid,
             pid,
             false,
+            None,
             ProcessPayloadType::Finished,
             "Exited process",
             Some(!mc_exit_status.success() && !manually_killed),
@@ -1451,6 +1456,7 @@ mod post_upgrade_tests {
                     uuid,
                     pid: child.id().unwrap(),
                     maximize_window: false,
+                    window_title: None,
                     instance_id: "first".into(),
                     instance_path: "first".into(),
                     instance_name: "First".into(),

packages/app-lib/src/state/settings.rs

@@ -176,6 +176,10 @@ pub struct Settings {
     pub force_fullscreen: bool,
     pub maximize_window: bool,
     #[serde(default)]
+    pub custom_window_title_enabled: bool,
+    #[serde(default = "default_window_title")]
+    pub default_window_title: String,
+    #[serde(default)]
     pub force_unicode_font: bool,
     pub game_resolution: WindowSize,
     pub hide_on_process_start: bool,
@@ -198,6 +202,10 @@ pub struct Settings {
     pub version: usize,
 }
 
+fn default_window_title() -> String {
+    "Minecraft".to_string()
+}
+
 fn default_true() -> bool {
     true
 }
@@ -328,6 +336,16 @@ impl Settings {
         )
         .fetch_one(exec)
         .await?;
+        let custom_window_title_enabled: bool = sqlx::query_scalar(
+            "SELECT custom_window_title_enabled FROM settings WHERE id = 0",
+        )
+        .fetch_one(exec)
+        .await?;
+        let default_window_title: String = sqlx::query_scalar(
+            "SELECT default_window_title FROM settings WHERE id = 0",
+        )
+        .fetch_one(exec)
+        .await?;
         let settings = Self {
             max_concurrent_downloads: res.max_concurrent_downloads as usize,
             max_concurrent_writes: res.max_concurrent_writes as usize,
@@ -415,6 +433,8 @@ impl Settings {
             },
             force_fullscreen: res.mc_force_fullscreen == 1,
             maximize_window: res.mc_maximize_window == 1,
+            custom_window_title_enabled,
+            default_window_title,
             force_unicode_font: sqlx::query_scalar(
                 "SELECT mc_force_unicode_font FROM settings WHERE id = 0",
             )
@@ -663,6 +683,18 @@ impl Settings {
             .bind(self.ignore_ssl_errors)
             .execute(exec)
             .await?;
+        sqlx::query(
+            "UPDATE settings SET custom_window_title_enabled = ? WHERE id = 0",
+        )
+        .bind(self.custom_window_title_enabled)
+        .execute(exec)
+        .await?;
+        sqlx::query(
+            "UPDATE settings SET default_window_title = ? WHERE id = 0",
+        )
+        .bind(self.default_window_title.trim())
+        .execute(exec)
+        .await?;
         sqlx::query("UPDATE settings SET mc_memory_optimize = ? WHERE id = 0")
             .bind(self.memory.optimize_before_launch)
             .execute(exec)