diff --git a/packages/frontend/.eslintrc.js b/packages/frontend/.eslintrc.js
index e8e0e57d2..a1e1f57e1 100644
--- a/packages/frontend/.eslintrc.js
+++ b/packages/frontend/.eslintrc.js
@@ -64,6 +64,7 @@ module.exports = {
 		'vue/singleline-html-element-content-newline': 'off',
 		// (vue/vue3-recommended disabled the autofix for Vue 2 compatibility)
 		'vue/v-on-event-hyphenation': ['warn', 'always', { autofix: true }],
+		'vue/attribute-hyphenation': ['warn', 'never'],
 	},
 	globals: {
 		// Node.js
diff --git a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue
index 28a0d1c98..aadee7504 100644
--- a/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue
+++ b/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.vue
@@ -1,5 +1,5 @@
 <template>
-<MfmCore :text="text" :plain="plain" :nowrap="nowrap" :author="author" :is-note="isNote" :class="[$style.root, { [$style.nowrap]: nowrap }]"/>
+<MfmCore :text="text" :plain="plain" :nowrap="nowrap" :author="author" :isNote="isNote" :class="[$style.root, { [$style.nowrap]: nowrap }]"/>
 </template>
 
 <script lang="ts" setup>
diff --git a/packages/frontend/src/components/page/page.text.vue b/packages/frontend/src/components/page/page.text.vue
index c324d55a7..308948b45 100644
--- a/packages/frontend/src/components/page/page.text.vue
+++ b/packages/frontend/src/components/page/page.text.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="mrdgzndn">
-	<Mfm :text="block.text" :is-note="false" :i="$i"/>
+	<Mfm :text="block.text" :isNote="false" :i="$i"/>
 	<MkUrlPreview v-for="url in urls" :key="url" :url="url" class="url"/>
 </div>
 </template>
diff --git a/packages/frontend/src/pages/channel.vue b/packages/frontend/src/pages/channel.vue
index 2c0483aa0..59ca6c83b 100644
--- a/packages/frontend/src/pages/channel.vue
+++ b/packages/frontend/src/pages/channel.vue
@@ -15,7 +15,7 @@
 					<div :class="$style.bannerFade"></div>
 				</div>
 				<div v-if="channel.description" :class="$style.description">
-					<Mfm :text="channel.description" :is-note="false" :i="$i"/>
+					<Mfm :text="channel.description" :isNote="false" :i="$i"/>
 				</div>
 			</div>
 
diff --git a/packages/frontend/src/pages/clip.vue b/packages/frontend/src/pages/clip.vue
index e3ac3f4c9..9207a9fa9 100644
--- a/packages/frontend/src/pages/clip.vue
+++ b/packages/frontend/src/pages/clip.vue
@@ -5,7 +5,7 @@
 		<div v-if="clip">
 			<div class="okzinsic _panel">
 				<div v-if="clip.description" class="description">
-					<Mfm :text="clip.description" :is-note="false" :i="$i"/>
+					<Mfm :text="clip.description" :isNote="false" :i="$i"/>
 				</div>
 				<MkButton v-if="favorited" v-tooltip="i18n.ts.unfavorite" as-like class="button" rounded primary @click="unfavorite()"><i class="ti ti-heart"></i><span v-if="clip.favoritedCount > 0" style="margin-left: 6px;">{{ clip.favoritedCount }}</span></MkButton>
 				<MkButton v-else v-tooltip="i18n.ts.favorite" as-like class="button" rounded @click="favorite()"><i class="ti ti-heart"></i><span v-if="clip.favoritedCount > 0" style="margin-left: 6px;">{{ clip.favoritedCount }}</span></MkButton>
diff --git a/packages/frontend/src/pages/user/home.vue b/packages/frontend/src/pages/user/home.vue
index 9c133346d..a39f20686 100644
--- a/packages/frontend/src/pages/user/home.vue
+++ b/packages/frontend/src/pages/user/home.vue
@@ -69,7 +69,7 @@
 					</div>
 					<div class="description">
 						<MkOmit>
-							<Mfm v-if="user.description" :text="user.description" :is-note="false" :author="user" :i="$i"/>
+							<Mfm v-if="user.description" :text="user.description" :isNote="false" :author="user" :i="$i"/>
 							<p v-else class="empty">{{ i18n.ts.noAccountDescription }}</p>
 						</MkOmit>
 					</div>
diff --git a/packages/frontend/src/widgets/WidgetOnlineUsers.vue b/packages/frontend/src/widgets/WidgetOnlineUsers.vue
index 44e073545..19195d6fd 100644
--- a/packages/frontend/src/widgets/WidgetOnlineUsers.vue
+++ b/packages/frontend/src/widgets/WidgetOnlineUsers.vue
@@ -1,6 +1,6 @@
 <template>
 <div data-cy-mkw-onlineUsers class="mkw-onlineUsers" :class="{ _panel: !widgetProps.transparent, pad: !widgetProps.transparent }">
-	<I18n v-if="onlineUsersCount" :src="i18n.ts.onlineUsersCount" text-tag="span" class="text">
+	<I18n v-if="onlineUsersCount" :src="i18n.ts.onlineUsersCount" textTag="span" class="text">
 		<template #n><b>{{ number(onlineUsersCount) }}</b></template>
 	</I18n>
 </div>