diff --git a/pkgs/development/python-modules/mat2/default.nix b/pkgs/development/python-modules/mat2/default.nix
index 99d94d3d1a80..7515cb76a256 100644
--- a/pkgs/development/python-modules/mat2/default.nix
+++ b/pkgs/development/python-modules/mat2/default.nix
@@ -22,7 +22,7 @@
 
 buildPythonPackage rec {
   pname = "mat2";
-  version = "0.12.1";
+  version = "0.12.2";
 
   disabled = pythonOlder "3.5";
 
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     owner = "jvoisin";
     repo = "mat2";
     rev = version;
-    sha256 = "sha256-TxHelOr7ygp4R+dW+oJ034l2w9zrB4gn0QLs5Pa4EFE=";
+    sha256 = "sha256-KaHdBmTeBlCRaVkG3WsfDtFo45s/X69x7VGDYY7W5O8=";
   };
 
   patches = [
@@ -50,18 +50,6 @@ buildPythonPackage rec {
     ./executable-name.patch
     # hardcode path to mat2 executable
     ./tests.patch
-    # remove for next release
-    (fetchpatch {
-      name = "fix-tests-ffmpeg-4.4.patch";
-      url = "https://0xacab.org/jvoisin/mat2/-/commit/c9be50f968212b01f8d8ad85e59e19c3e67d8578.patch";
-      sha256 = "0895dkv6575ps3drdfnli15cggx27n9irjx0axigrm4ql4ma0648";
-    })
-    # fix white space error in the tests for exiftool, remove for next release
-    (fetchpatch {
-      name = "fix-tests-exiftool.patch";
-      url = "https://0xacab.org/jvoisin/mat2/-/commit/6df615281b2a649b85ff7670f6d87d3beed0b977.patch";
-      sha256 = "1gix63n0mzavnqjq5ll0v210z4vdz4f93aq03bfzlgifxcd9vl1x";
-    })
   ];
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/mat2/paths.patch b/pkgs/development/python-modules/mat2/paths.patch
index e0144be9fef6..7e828d3f5339 100644
--- a/pkgs/development/python-modules/mat2/paths.patch
+++ b/pkgs/development/python-modules/mat2/paths.patch
@@ -1,15 +1,17 @@
 diff --git a/dolphin/mat2.desktop b/dolphin/mat2.desktop
-index e623962..5d69ae2 100644
+index d365bc5..56313e2 100644
 --- a/dolphin/mat2.desktop
 +++ b/dolphin/mat2.desktop
-@@ -7,5 +7,5 @@ Type=Service
- [Desktop Action cleanMetadata]
+@@ -8,6 +8,6 @@ Type=Service
  Name=Clean metadata
+ Name[de]=Metadaten löschen
  Name[es]=Limpiar metadatos
 -Icon=/usr/share/icons/hicolor/scalable/apps/mat2.svg
 -Exec=kdialog --yesno  "$( mat2 -s %U )" --title "Clean Metadata?" && mat2 %U
+-Exec[de]=kdialog --yesno  "$( mat2 -s %U )" --title "Metadaten löschen?" && mat2 %U
 +Icon=@mat2svg@
-+Exec=@kdialog@ --yesno  "$( @mat2@ -s %U )" --title "Clean Metadata?" && @mat2@ %U
++Exec=@kdialog@ --yesno  "$( mat2 -s %U )" --title "Clean Metadata?" && mat2 %U
++Exec[de]=@kdialog@ --yesno  "$( mat2 -s %U )" --title "Metadaten löschen?" && mat2 %U
 diff --git a/libmat2/bubblewrap.py b/libmat2/bubblewrap.py
 index 970d5dd..5d3c0b7 100644
 --- a/libmat2/bubblewrap.py