diff --git a/packages/client/src/components/MkAnnouncement.vue b/packages/client/src/components/MkAnnouncement.vue
new file mode 100644
index 0000000000..f95479a7f4
--- /dev/null
+++ b/packages/client/src/components/MkAnnouncement.vue
@@ -0,0 +1,83 @@
+<template>
+	<MkModal ref="modal" :z-priority="'middle'" @closed="$emit('closed')">
+		<div :class="$style.root">
+			<div :class="$style.title">
+				<MkSparkle v-if="isGoodNews">{{ title }}</MkSparkle>
+				<p v-else>{{ title }}</p>
+			</div>
+			<Mfm :text="text" />
+			<img
+				v-if="imageUrl != null"
+				:style="$style.image"
+				:key="imageUrl"
+				:src="imageUrl"
+				alt="attached image"
+			/>
+			<MkButton
+				:class="$style.gotIt"
+				primary
+				full
+				@click="$refs.modal.close() && markAsRead()"
+				>{{ i18n.ts.gotIt }}</MkButton
+			>
+		</div>
+	</MkModal>
+</template>
+
+<script lang="ts" setup>
+import { shallowRef } from "vue";
+import MkModal from "@/components/MkModal.vue";
+import MkSparkle from "@/components/MkSparkle.vue";
+import MkButton from "@/components/MkButton.vue";
+import { version } from "@/config";
+import { i18n } from "@/i18n";
+import * as os from "@/os";
+
+const props = defineProps<{
+	announcement: Announcement;
+}>();
+
+const { id, text, title, imageUrl, isGoodNews } = props.announcement;
+
+const modal = shallowRef<InstanceType<typeof MkModal>>();
+
+function markAsRead() {
+	os.api("i/read-announcement", { announcementId: props.announcement.id });
+}
+</script>
+
+<style lang="scss" module>
+.root {
+	margin: auto;
+	position: relative;
+	padding: 32px;
+	min-width: 320px;
+	max-width: 480px;
+	box-sizing: border-box;
+	text-align: center;
+	background: var(--panel);
+	border-radius: var(--radius);
+}
+
+.title {
+	font-weight: bold;
+}
+
+.version {
+	margin: 1em 0;
+}
+
+.image {
+	max-width: 500px;
+}
+
+.gotIt {
+	margin: 8px 0 0 0;
+}
+
+.releaseNotes {
+	> img {
+		border-radius: 10px;
+	}
+}
+</style>