From 65904e3b77781b97643b7a6290a8b1e4e415f05d Mon Sep 17 00:00:00 2001
From: aradhyacp <cparadhya@proton.me>
Date: Wed, 15 Jul 2026 10:48:09 +0530
Subject: [PATCH 1/3] Enhance accessibility by adding aria-label to download
 button in CodeBlockDownloadButton component

---
 packages/streamdown/lib/code-block/download-button.tsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/streamdown/lib/code-block/download-button.tsx b/packages/streamdown/lib/code-block/download-button.tsx
index 4a315d1f..3edbca76 100644
--- a/packages/streamdown/lib/code-block/download-button.tsx
+++ b/packages/streamdown/lib/code-block/download-button.tsx
@@ -356,6 +356,7 @@ export const CodeBlockDownloadButton = ({
 
   return (
     <button
+      aria-label={t.downloadFile}
       className={cn(
         "cursor-pointer p-1 text-muted-foreground transition-all hover:text-foreground disabled:cursor-not-allowed disabled:opacity-50",
         className

From ed802e0eb9292c8f9599cd56d76ca48b64700fbc Mon Sep 17 00:00:00 2001
From: aradhyacp <cparadhya@proton.me>
Date: Wed, 15 Jul 2026 10:48:16 +0530
Subject: [PATCH 2/3] Improve accessibility of CodeBlockCopyButton by adding
 aria-label and output for copied status

---
 .../streamdown/lib/code-block/copy-button.tsx | 34 ++++++++++++-------
 1 file changed, 21 insertions(+), 13 deletions(-)

diff --git a/packages/streamdown/lib/code-block/copy-button.tsx b/packages/streamdown/lib/code-block/copy-button.tsx
index b254cb05..105d34a7 100644
--- a/packages/streamdown/lib/code-block/copy-button.tsx
+++ b/packages/streamdown/lib/code-block/copy-button.tsx
@@ -66,19 +66,27 @@ export const CodeBlockCopyButton = ({
   const Icon = isCopied ? icons.CheckIcon : icons.CopyIcon;
 
   return (
-    <button
-      className={cn(
-        "cursor-pointer p-1 text-muted-foreground transition-all hover:text-foreground disabled:cursor-not-allowed disabled:opacity-50",
-        className
+    <>
+      <button
+        aria-label={t.copyCode}
+        className={cn(
+          "cursor-pointer p-1 text-muted-foreground transition-all hover:text-foreground disabled:cursor-not-allowed disabled:opacity-50",
+          className
+        )}
+        data-streamdown="code-block-copy-button"
+        disabled={isAnimating}
+        onClick={copyToClipboard}
+        title={t.copyCode}
+        type="button"
+        {...props}
+      >
+        {children ?? <Icon size={14} />}
+      </button>
+      {isCopied && (
+        <output aria-live="polite" className="sr-only">
+          {t.copied}
+        </output>
       )}
-      data-streamdown="code-block-copy-button"
-      disabled={isAnimating}
-      onClick={copyToClipboard}
-      title={t.copyCode}
-      type="button"
-      {...props}
-    >
-      {children ?? <Icon size={14} />}
-    </button>
+    </>
   );
 };

From 9cab1c7a6a5cb1cd9184e48a058d84a84220d7af Mon Sep 17 00:00:00 2001
From: aradhyacp <cparadhya@proton.me>
Date: Wed, 15 Jul 2026 10:50:12 +0530
Subject: [PATCH 3/3] chore: add changeset for code block accessibility
 improvements

---
 .changeset/common-streets-unite.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/common-streets-unite.md

diff --git a/.changeset/common-streets-unite.md b/.changeset/common-streets-unite.md
new file mode 100644
index 00000000..ec169c18
--- /dev/null
+++ b/.changeset/common-streets-unite.md
@@ -0,0 +1,5 @@
+---
+"streamdown": minor
+---
+
+Added accessibility improvements for code block controls by adding aria labels to copy/download buttons and announcing copy success state for screen readers.