From ef752946336ecd0ae3edabc81df9130ae0f992c6 Mon Sep 17 00:00:00 2001
From: Charlie Lin <tuug@gmx.us>
Date: Mon, 9 Mar 2026 21:51:09 -0400
Subject: [PATCH 1/3] Add support for 'application/efi' MIME type in
 `Lib/tests/test_mimetypes.py`

---
 Lib/test/test_mimetypes.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/test/test_mimetypes.py b/Lib/test/test_mimetypes.py
index fe7584f1f9d3b3..b1b62c3aa4ad5b 100644
--- a/Lib/test/test_mimetypes.py
+++ b/Lib/test/test_mimetypes.py
@@ -227,6 +227,7 @@ def check_extensions():
                 ("application/epub+zip", ".epub"),
                 ("application/octet-stream", ".bin"),
                 ("application/dicom", ".dcm"),
+                ("application/efi", ".efi"),
                 ("application/gzip", ".gz"),
                 ("application/ogg", ".ogx"),
                 ("application/pdf", ".pdf"),

From ff0301f25f8459066bc18a1403003d3f0906d52c Mon Sep 17 00:00:00 2001
From: Charlie Lin <tuug@gmx.us>
Date: Mon, 9 Mar 2026 21:52:37 -0400
Subject: [PATCH 2/3] Add MIME type for .efi files

---
 Lib/mimetypes.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index fc916c470a0110..02df6e7c435325 100644
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -478,6 +478,7 @@ def _default_mime_types():
         '.js'     : 'text/javascript',
         '.mjs'    : 'text/javascript',
         '.dcm'    : 'application/dicom',
+        '.efi'    : 'application/efi',
         '.epub'   : 'application/epub+zip',
         '.gz'     : 'application/gzip',
         '.json'   : 'application/json',

From b78fedc0e2b9d0612d6d8855146f8c73d4ba6123 Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Tue, 10 Mar 2026 01:54:35 +0000
Subject: [PATCH 3/3] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../next/Library/2026-03-10-01-54-34.gh-issue-145719.okJRoK.rst  | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Library/2026-03-10-01-54-34.gh-issue-145719.okJRoK.rst

diff --git a/Misc/NEWS.d/next/Library/2026-03-10-01-54-34.gh-issue-145719.okJRoK.rst b/Misc/NEWS.d/next/Library/2026-03-10-01-54-34.gh-issue-145719.okJRoK.rst
new file mode 100644
index 00000000000000..3744744571cdc7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-03-10-01-54-34.gh-issue-145719.okJRoK.rst
@@ -0,0 +1 @@
+Add ``.efi`` file detection in ``mimetypes``