diff --git a/src/renderer/app.tsx b/src/renderer/app.tsx
index a34267207..42f6d6113 100644
--- a/src/renderer/app.tsx
+++ b/src/renderer/app.tsx
@@ -12,7 +12,7 @@ import { useEffect, useMemo, useRef, useState } from 'react';
 import i18n from '/@/i18n/i18n';
 import { WebAudioContext } from '/@/renderer/features/player/context/webaudio-context';
 import { useServerVersion } from '/@/renderer/hooks/use-server-version';
-import { IsUpdatedDialog } from '/@/renderer/is-updated-dialog';
+import { ReleaseNotesModal } from './release-notes-modal';
 import { AppRouter } from '/@/renderer/router/app-router';
 import { useCssSettings, useHotkeySettings, useSettingsStore } from '/@/renderer/store';
 import { useAppTheme } from '/@/renderer/themes/use-app-theme';
@@ -89,7 +89,7 @@ export const App = () => {
                     <AppRouter />
                 </PlayerProvider>
             </WebAudioContext.Provider>
-            <IsUpdatedDialog />
+            <ReleaseNotesModal />
         </MantineProvider>
     );
 };
diff --git a/src/renderer/is-updated-dialog.tsx b/src/renderer/is-updated-dialog.tsx
deleted file mode 100644
index 5c43f32ae..000000000
--- a/src/renderer/is-updated-dialog.tsx
+++ /dev/null
@@ -1,55 +0,0 @@
-import { useCallback } from 'react';
-import { useTranslation } from 'react-i18next';
-
-import packageJson from '../../package.json';
-
-import { Button } from '/@/shared/components/button/button';
-import { Dialog } from '/@/shared/components/dialog/dialog';
-import { Group } from '/@/shared/components/group/group';
-import { Icon } from '/@/shared/components/icon/icon';
-import { Stack } from '/@/shared/components/stack/stack';
-import { Text } from '/@/shared/components/text/text';
-import { useLocalStorage } from '/@/shared/hooks/use-local-storage';
-
-export function IsUpdatedDialog() {
-    const { version } = packageJson;
-    const { t } = useTranslation();
-
-    const [value, setValue] = useLocalStorage({ key: 'version' });
-
-    const handleDismiss = useCallback(() => {
-        setValue(version);
-    }, [setValue, version]);
-
-    return (
-        <Dialog
-            opened={value !== version}
-            position={{ bottom: '5rem', right: '1rem' }}
-            styles={{
-                root: {
-                    marginBottom: '50px',
-                    right: '1rem',
-                },
-            }}
-        >
-            <Stack>
-                <Text>{t('common.newVersion', { postProcess: 'sentenceCase', version })}</Text>
-                <Group justify="flex-end" wrap="nowrap">
-                    <Button
-                        component="a"
-                        href={`https://github.com/jeffvli/feishin/releases/tag/v${version}`}
-                        onClick={handleDismiss}
-                        rightSection={<Icon icon="externalLink" />}
-                        target="_blank"
-                        variant="filled"
-                    >
-                        {t('common.viewReleaseNotes', { postProcess: 'sentenceCase' })}
-                    </Button>
-                    <Button onClick={handleDismiss} variant="default">
-                        {t('common.dismiss', { postProcess: 'titleCase' })}
-                    </Button>
-                </Group>
-            </Stack>
-        </Dialog>
-    );
-}
diff --git a/src/renderer/release-notes-modal.module.css b/src/renderer/release-notes-modal.module.css
new file mode 100644
index 000000000..c72a264bb
--- /dev/null
+++ b/src/renderer/release-notes-modal.module.css
@@ -0,0 +1,86 @@
+.markdown-content {
+    color: var(--mantine-color-text);
+}
+
+.markdown-content h1,
+.markdown-content h2,
+.markdown-content h3,
+.markdown-content h4,
+.markdown-content h5,
+.markdown-content h6 {
+    margin-top: var(--mantine-spacing-md);
+    margin-bottom: var(--mantine-spacing-xs);
+    font-weight: 600;
+    line-height: 1.25;
+}
+
+.markdown-content h1 {
+    font-size: 2em;
+}
+
+.markdown-content h2 {
+    font-size: 1.5em;
+}
+
+.markdown-content h3 {
+    font-size: 1.25em;
+}
+
+.markdown-content p {
+    margin-top: 0;
+    margin-bottom: var(--mantine-spacing-sm);
+}
+
+.markdown-content ul,
+.markdown-content ol {
+    padding-left: var(--mantine-spacing-xl);
+    margin-top: 0;
+    margin-bottom: var(--mantine-spacing-sm);
+}
+
+.markdown-content li {
+    margin-bottom: var(--mantine-spacing-xs);
+}
+
+.markdown-content code {
+    padding: 2px 6px;
+    font-family: 'Courier New', monospace;
+    font-size: 0.9em;
+    background-color: var(--mantine-color-dark-6);
+    border-radius: var(--mantine-radius-sm);
+}
+
+.markdown-content pre {
+    padding: var(--mantine-spacing-md);
+    margin-top: var(--mantine-spacing-md);
+    margin-bottom: var(--mantine-spacing-md);
+    overflow-x: auto;
+    background-color: var(--mantine-color-dark-6);
+    border-radius: var(--mantine-radius-md);
+}
+
+.markdown-content pre code {
+    padding: 0;
+    background-color: transparent;
+}
+
+.markdown-content blockquote {
+    padding-left: var(--mantine-spacing-md);
+    margin-top: var(--mantine-spacing-md);
+    margin-bottom: var(--mantine-spacing-md);
+    border-left: 3px solid var(--mantine-color-gray-6);
+}
+
+.markdown-content a {
+    color: var(--mantine-color-blue-6);
+    text-decoration: none;
+}
+
+.markdown-content a:hover {
+    text-decoration: underline;
+}
+
+.markdown-content img {
+    max-width: 100%;
+    border-radius: var(--mantine-radius-md);
+}
diff --git a/src/renderer/release-notes-modal.tsx b/src/renderer/release-notes-modal.tsx
new file mode 100644
index 000000000..59a4e44d9
--- /dev/null
+++ b/src/renderer/release-notes-modal.tsx
@@ -0,0 +1,194 @@
+import { closeAllModals, openModal } from '@mantine/modals';
+import { useQuery } from '@tanstack/react-query';
+import axios from 'axios';
+import DOMPurify from 'dompurify';
+import { useCallback, useEffect, useMemo } from 'react';
+import { useTranslation } from 'react-i18next';
+
+import packageJson from '../../package.json';
+import styles from './release-notes-modal.module.css';
+
+import { Button } from '/@/shared/components/button/button';
+import { Center } from '/@/shared/components/center/center';
+import { Group } from '/@/shared/components/group/group';
+import { Icon } from '/@/shared/components/icon/icon';
+import { ScrollArea } from '/@/shared/components/scroll-area/scroll-area';
+import { Spinner } from '/@/shared/components/spinner/spinner';
+import { Stack } from '/@/shared/components/stack/stack';
+import { Text } from '/@/shared/components/text/text';
+import { useLocalStorage } from '/@/shared/hooks/use-local-storage';
+
+interface ReleaseNotesContentProps {
+    onDismiss: () => void;
+    version: string;
+}
+
+const ReleaseNotesContent = ({ onDismiss, version }: ReleaseNotesContentProps) => {
+    const { t } = useTranslation();
+
+    // Fetch release notes from GitHub API
+    const {
+        data: releaseData,
+        isError,
+        isLoading,
+    } = useQuery({
+        queryFn: async () => {
+            const response = await axios.get(
+                `https://api.github.com/repos/jeffvli/feishin/releases/tags/v${version}`,
+            );
+            return response.data;
+        },
+        queryKey: ['github-release', version],
+        retry: 2,
+    });
+
+    // Convert markdown to HTML using GitHub's markdown API
+    const { data: htmlContent, isLoading: isConverting } = useQuery({
+        enabled: !!releaseData?.body,
+        queryFn: async () => {
+            const response = await axios.post(
+                'https://api.github.com/markdown',
+                {
+                    mode: 'gfm',
+                    text: releaseData.body,
+                },
+                {
+                    headers: {
+                        'Content-Type': 'application/json',
+                    },
+                    responseType: 'text',
+                },
+            );
+            return response.data;
+        },
+        queryKey: ['github-markdown', releaseData?.body],
+        retry: 2,
+    });
+
+    const sanitizedHtml = useMemo(() => {
+        if (!htmlContent) return '';
+        return DOMPurify.sanitize(htmlContent, {
+            ALLOWED_ATTR: ['alt', 'href', 'src', 'title'],
+            ALLOWED_TAGS: [
+                'a',
+                'blockquote',
+                'br',
+                'code',
+                'em',
+                'h1',
+                'h2',
+                'h3',
+                'h4',
+                'h5',
+                'h6',
+                'img',
+                'li',
+                'ol',
+                'p',
+                'pre',
+                'strong',
+                'u',
+                'ul',
+            ],
+        });
+    }, [htmlContent]);
+
+    if (isLoading || isConverting) {
+        return (
+            <Center h={400}>
+                <Stack align="center" gap="md">
+                    <Spinner />
+                    <Text size="sm">{t('common.loading', { postProcess: 'sentenceCase' })}</Text>
+                </Stack>
+            </Center>
+        );
+    }
+
+    if (isError || !releaseData) {
+        return (
+            <Stack gap="md">
+                <Text>{t('common.newVersion', { postProcess: 'sentenceCase', version })}</Text>
+                <Text c="dimmed" size="sm">
+                    {t('error.genericError', { postProcess: 'sentenceCase' })}
+                </Text>
+                <Group justify="flex-end">
+                    <Button
+                        component="a"
+                        href={`https://github.com/jeffvli/feishin/releases/tag/v${version}`}
+                        onClick={onDismiss}
+                        rightSection={<Icon icon="externalLink" />}
+                        target="_blank"
+                        variant="filled"
+                    >
+                        {t('common.viewReleaseNotes', { postProcess: 'sentenceCase' })}
+                    </Button>
+                    <Button onClick={onDismiss} variant="default">
+                        {t('common.dismiss', { postProcess: 'titleCase' })}
+                    </Button>
+                </Group>
+            </Stack>
+        );
+    }
+
+    return (
+        <Stack gap="md">
+            <ScrollArea
+                style={{
+                    height: '500px',
+                }}
+            >
+                <div
+                    className={styles.markdownContent}
+                    dangerouslySetInnerHTML={{ __html: sanitizedHtml }}
+                />
+            </ScrollArea>
+            <Group justify="flex-end">
+                <Button
+                    component="a"
+                    href={`https://github.com/jeffvli/feishin/releases/tag/v${version}`}
+                    onClick={onDismiss}
+                    rightSection={<Icon icon="externalLink" />}
+                    target="_blank"
+                    variant="subtle"
+                >
+                    {t('action.viewMore', { postProcess: 'sentenceCase' })}
+                </Button>
+                <Button onClick={onDismiss} variant="filled">
+                    {t('common.dismiss', { postProcess: 'titleCase' })}
+                </Button>
+            </Group>
+        </Stack>
+    );
+};
+
+export const ReleaseNotesModal = () => {
+    const { version } = packageJson;
+    const { t } = useTranslation();
+
+    const [value, setValue] = useLocalStorage({ key: 'version' });
+
+    const handleDismiss = useCallback(() => {
+        setValue(version);
+        closeAllModals();
+    }, [setValue, version]);
+
+    useEffect(() => {
+        if (value !== version) {
+            openModal({
+                children: <ReleaseNotesContent onDismiss={handleDismiss} version={version} />,
+                size: 'xl',
+                styles: {
+                    body: {
+                        padding: 'var(--mantine-spacing-xl)',
+                    },
+                },
+                title: t('common.newVersion', {
+                    postProcess: 'sentenceCase',
+                    version,
+                }) as string,
+            });
+        }
+    }, [handleDismiss, value, version, t]);
+
+    return null;
+};