chore: add changeset for scaffolder markdown list behavior fix

Signed-off-by: Vivek Hipparkar <vivekhipparkar@gmail.com>

.changeset/solid-pianos-act.md

@@ -0,0 +1,5 @@
+---
+'@backstage/core-components': patch
+---
+
+Use Backstage Link component for markdown anchor rendering to ensure consistent internal and external link behavior.

packages/core-components/src/components/MarkdownContent/MarkdownContent.tsx

@@ -23,6 +23,7 @@ import { HeadingProps } from 'react-markdown/lib/ast-to-react';
 import rehypeRaw from 'rehype-raw';
 import rehypeSanitize, { defaultSchema } from 'rehype-sanitize';
 import type { PluggableList } from 'react-markdown/lib/react-markdown';
+import { Link } from '../Link';
 
 export type MarkdownContentClassKey = 'markdown';
 
@@ -109,6 +110,15 @@ const components: Options['components'] = {
   h4: headingRenderer,
   h5: headingRenderer,
   h6: headingRenderer,
+
+  a: ({ href, children, ...props }) =>
+    href ? (
+      <Link {...(props as any)} to={href}>
+        {children}
+      </Link>
+    ) : (
+      <>{children}</>
+    ),
 };
 
 const gfmRehypePlugins: PluggableList = [

plugins/scaffolder-react/src/next/components/TemplateOutputs/DefaultTemplateOutputs.tsx

@@ -96,10 +96,7 @@ export const DefaultTemplateOutputs = (props: {
             titleTypographyProps={{ component: 'h2' }}
           >
             <Box padding={2} height="100%">
-              <MarkdownContent
-                content={textOutput.content ?? ''}
-                linkTarget="_blank"
-              />
+              <MarkdownContent content={textOutput.content ?? ''} />
             </Box>
           </InfoCard>
         </Box>