diff --git a/pkgs/by-name/li/libdng/package.nix b/pkgs/by-name/li/libdng/package.nix
new file mode 100644
index 000000000000..84560352eb36
--- /dev/null
+++ b/pkgs/by-name/li/libdng/package.nix
@@ -0,0 +1,51 @@
+{
+  fetchFromGitLab,
+  lib,
+  libpulseaudio,
+  libtiff,
+  meson,
+  ninja,
+  pkg-config,
+  scdoc,
+  stdenv,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "libdng";
+  version = "0.2.2";
+
+  outputs = [
+    "out"
+    "dev"
+  ];
+
+  src = fetchFromGitLab {
+    owner = "megapixels-org";
+    repo = "libdng";
+    tag = finalAttrs.version;
+    hash = "sha256-2Kwz5K37I3HnnKePyY4nKYwnGHP09vr6IThiuKd3EfQ=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    scdoc
+  ];
+
+  buildInputs = [
+    libpulseaudio
+    libtiff
+  ];
+
+  doCheck = true;
+
+  meta = {
+    changelog = "https://gitlab.com/megapixels-org/libdng/-/tags/${finalAttrs.src.tag}";
+    description = "Interface library between libtiff and the world to make sure the output is valid DNG";
+    homepage = "https://gitlab.com/megapixels-org/libdng";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.dotlambda ];
+    platforms = lib.platforms.linux;
+  };
+})
diff --git a/pkgs/by-name/li/libmegapixels/package.nix b/pkgs/by-name/li/libmegapixels/package.nix
new file mode 100644
index 000000000000..2ae5237f1fcb
--- /dev/null
+++ b/pkgs/by-name/li/libmegapixels/package.nix
@@ -0,0 +1,47 @@
+{
+  fetchFromGitLab,
+  lib,
+  libconfig,
+  meson,
+  ninja,
+  pkg-config,
+  stdenv,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "libmegapixels";
+  version = "0.2.3";
+
+  outputs = [
+    "out"
+    "dev"
+  ];
+
+  src = fetchFromGitLab {
+    owner = "megapixels-org";
+    repo = "libmegapixels";
+    tag = finalAttrs.version;
+    hash = "sha256-YYZmjFLAswat++ojUaoYcJk+ruxT3qiuuLWfck23N1c=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    libconfig
+  ];
+
+  doCheck = true;
+
+  meta = {
+    changelog = "https://gitlab.com/megapixels-org/libmegapixels/-/tags/${finalAttrs.src.tag}";
+    description = "Device abstraction for the Megapixels camera application";
+    homepage = "https://gitlab.com/megapixels-org/libmegapixels";
+    license = lib.licenses.gpl3Only;
+    maintainers = [ lib.maintainers.dotlambda ];
+    platforms = lib.platforms.linux;
+  };
+})
diff --git a/pkgs/by-name/me/megapixels/package.nix b/pkgs/by-name/me/megapixels/package.nix
index 2bc12b537c87..31d55d2dcd30 100644
--- a/pkgs/by-name/me/megapixels/package.nix
+++ b/pkgs/by-name/me/megapixels/package.nix
@@ -9,7 +9,10 @@
   wrapGAppsHook4,
   feedbackd,
   gtk4,
+  libdng,
   libepoxy,
+  libmegapixels,
+  libpulseaudio,
   xorg,
   zbar,
   tiffSupport ? true,
@@ -38,13 +41,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "megapixels";
-  version = "1.8.3";
+  version = "2.0.0";
 
   src = fetchFromGitLab {
     owner = "megapixels-org";
     repo = "Megapixels";
-    rev = finalAttrs.version;
-    hash = "sha256-ZXr0gmO72zKHwORn4p8zKuGcdICvb5+L/Q9d/ty8zwA=";
+    tag = finalAttrs.version;
+    hash = "sha256-tuAMp92166WZJfGIEzEWal9BExzQJoYodd2uZHhqEuQ=";
   };
 
   nativeBuildInputs = [
@@ -58,7 +61,10 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     feedbackd
     gtk4
+    libdng
     libepoxy
+    libmegapixels
+    libpulseaudio
     xorg.libXrandr
     zbar
   ];
@@ -81,16 +87,16 @@ stdenv.mkDerivation (finalAttrs: {
 
   strictDeps = true;
 
-  meta = with lib; {
+  meta = {
     description = "GTK4 camera application that knows how to deal with the media request api";
     homepage = "https://gitlab.com/megapixels-org/Megapixels";
-    changelog = "https://gitlab.com/megapixels-org/Megapixels/-/tags/${finalAttrs.version}";
-    license = licenses.gpl3Only;
-    maintainers = with maintainers; [
+    changelog = "https://gitlab.com/megapixels-org/Megapixels/-/tags/${finalAttrs.src.tag}";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [
       dotlambda
       Luflosi
     ];
-    platforms = platforms.linux;
+    platforms = lib.platforms.linux;
     mainProgram = "megapixels";
   };
 })
diff --git a/pkgs/by-name/me/megapixels/search-for-postprocessors-in-NixOS-specific-global-location.patch b/pkgs/by-name/me/megapixels/search-for-postprocessors-in-NixOS-specific-global-location.patch
index 85320316de02..160eae14790d 100644
--- a/pkgs/by-name/me/megapixels/search-for-postprocessors-in-NixOS-specific-global-location.patch
+++ b/pkgs/by-name/me/megapixels/search-for-postprocessors-in-NixOS-specific-global-location.patch
@@ -1,27 +1,29 @@
+diff --git a/src/process_pipeline.c b/src/process_pipeline.c
+index 4b37afb..81e5252 100644
 --- a/src/process_pipeline.c
 +++ b/src/process_pipeline.c
-@@ -179,10 +179,10 @@ mp_process_find_all_processors(GtkListStore *store)
+@@ -91,10 +91,10 @@ mp_process_find_all_processors(GtkListStore *store)
                          store, &iter, 0, buffer, 1, "(built-in) postprocess.sh", -1);
          }
  
 -        // Find extra packaged postprocessor scripts
 -        // These should be packaged in
 -        // /usr/share/megapixels/postprocessor.d/executable
--        sprintf(buffer, "%s/megapixels/postprocessor.d", DATADIR);
+-        snprintf(buffer, sizeof(buffer), "%s/megapixels/postprocessor.d", DATADIR);
 +        // Find extra system postprocessor scripts
 +        // These should be accessible in
 +        // /run/current-system/sw/share/megapixels/postprocessor.d/executable
-+        sprintf(buffer, "/run/current-system/sw/share/megapixels/postprocessor.d");
++        snprintf(buffer, sizeof(buffer), "/run/current-system/sw/share/megapixels/postprocessor.d");
          DIR *d;
          struct dirent *dir;
          d = opendir(buffer);
-@@ -192,8 +192,7 @@ mp_process_find_all_processors(GtkListStore *store)
-                                 continue;
+@@ -105,8 +105,7 @@ mp_process_find_all_processors(GtkListStore *store)
                          }
-                         sprintf(buffer,
--                                "%s/megapixels/postprocessor.d/%s",
--                                DATADIR,
-+                                "/run/current-system/sw/share/megapixels/postprocessor.d/%s",
-                                 dir->d_name);
+                         snprintf(buffer,
+ 				 sizeof(buffer),
+-                                 "%s/megapixels/postprocessor.d/%s",
+-                                 DATADIR,
++                                 "/run/current-system/sw/share/megapixels/postprocessor.d/%s",
+                                  dir->d_name);
                          gtk_list_store_insert(store, &iter, -1);
                          gtk_list_store_set(