diff --git a/pkgs/applications/video/natron/default.nix b/pkgs/applications/video/natron/default.nix
index 57175d62e0e7b..c715c1fa3827d 100644
--- a/pkgs/applications/video/natron/default.nix
+++ b/pkgs/applications/video/natron/default.nix
@@ -13,7 +13,7 @@
   extra-cmake-modules,
   glog,
   libXdmcp,
-  python3,
+  python312,
   wayland,
 }:
 
@@ -26,6 +26,7 @@ let
     rev = "Natron-v${minorVersion}";
     hash = "sha256-TD7Uge9kKbFxOmOCn+TSQovnKTmFS3uERTu5lmZFHbc=";
   };
+  python3 = python312;
 in
 stdenv.mkDerivation {
   inherit version;
@@ -104,6 +105,7 @@ stdenv.mkDerivation {
     license = lib.licenses.gpl2;
     maintainers = [ maintainers.puffnfresh ];
     platforms = platforms.linux;
-    broken = stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64;
+    # error: 'LogMessageVoidify' is not a member of 'google'
+    broken = true;
   };
 }
diff --git a/pkgs/by-name/ko/kohighlights/package.nix b/pkgs/by-name/ko/kohighlights/package.nix
index 59e0094288bf7..b1b64f33e5045 100644
--- a/pkgs/by-name/ko/kohighlights/package.nix
+++ b/pkgs/by-name/ko/kohighlights/package.nix
@@ -2,14 +2,16 @@
   stdenv,
   lib,
   fetchFromGitHub,
-  python3,
-  python3Packages,
+  python312Packages,
   qt5,
   makeWrapper,
   copyDesktopItems,
   makeDesktopItem,
 }:
 
+let
+  python3Packages = python312Packages;
+in
 python3Packages.buildPythonApplication rec {
   pname = "kohighlights";
   version = "2.3.1.0";
@@ -65,7 +67,7 @@ python3Packages.buildPythonApplication rec {
     mkdir -p $out/bin $out/share/KoHighlights
     rm -rf docs screens
     cp -r * $out/share/KoHighlights
-    makeWrapper ${python3.interpreter} $out/bin/KoHighlights \
+    makeWrapper ${python3Packages.python.interpreter} $out/bin/KoHighlights \
       --add-flags "$out/share/KoHighlights/main.py" \
       --set PYTHONPATH "${python3Packages.makePythonPath dependencies}" \
       ''${qtWrapperArgs[@]}
diff --git a/pkgs/by-name/pa/patray/package.nix b/pkgs/by-name/pa/patray/package.nix
index b17928eec9caf..06a6a40fac0f3 100644
--- a/pkgs/by-name/pa/patray/package.nix
+++ b/pkgs/by-name/pa/patray/package.nix
@@ -1,11 +1,11 @@
 {
   lib,
-  python3,
+  python312,
   fetchPypi,
   qt5,
 }:
 
-python3.pkgs.buildPythonApplication rec {
+python312.pkgs.buildPythonApplication rec {
   pname = "patray";
   version = "0.1.2";
 
@@ -20,7 +20,7 @@ python3.pkgs.buildPythonApplication rec {
     sed -i '/pyside2/d' requirements/production.in
   '';
 
-  propagatedBuildInputs = with python3.pkgs; [
+  dependencies = with python312.pkgs; [
     pulsectl
     loguru
     cock
diff --git a/pkgs/by-name/rc/rcu/package.nix b/pkgs/by-name/rc/rcu/package.nix
index 0605e31f57f72..c73584db7f5f6 100644
--- a/pkgs/by-name/rc/rcu/package.nix
+++ b/pkgs/by-name/rc/rcu/package.nix
@@ -13,11 +13,14 @@
   makeDesktopItem,
   nettools,
   protobuf,
-  python3Packages,
+  python312Packages,
   system-config-printer,
   wget,
 }:
 
+let
+  python3Packages = python312Packages;
+in
 python3Packages.buildPythonApplication rec {
   pname = "rcu";
   version = "4.0.24";
diff --git a/pkgs/applications/misc/sl1-to-photon/default.nix b/pkgs/by-name/sl/sl1-to-photon/package.nix
similarity index 85%
rename from pkgs/applications/misc/sl1-to-photon/default.nix
rename to pkgs/by-name/sl/sl1-to-photon/package.nix
index 5c78d28b090ed..f763d9fcb90de 100644
--- a/pkgs/applications/misc/sl1-to-photon/default.nix
+++ b/pkgs/by-name/sl/sl1-to-photon/package.nix
@@ -1,17 +1,12 @@
 {
   lib,
-  buildPythonApplication,
   fetchFromGitHub,
-  pillow,
-  pyside2,
-  numpy,
-  pyphotonfile,
-  shiboken2,
+  python312Packages,
 }:
 let
   version = "0.1.3+";
 in
-buildPythonApplication rec {
+python312Packages.buildPythonApplication rec {
   pname = "sl1-to-photon";
   inherit version;
 
@@ -22,7 +17,7 @@ buildPythonApplication rec {
     sha256 = "ssFfjlBMi3FHosDBUA2gs71VUIBkEdPVcV3STNxmOIM=";
   };
 
-  pythonPath = [
+  pythonPath = with python312Packages; [
     pyphotonfile
     pillow
     numpy
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ad26088af183c..3fe074165e305 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2823,8 +2823,6 @@ with pkgs;
 
   dotnetfx40 = callPackage ../development/libraries/dotnetfx40 { };
 
-  sl1-to-photon = python3Packages.callPackage ../applications/misc/sl1-to-photon { };
-
   drone = callPackage ../development/tools/continuous-integration/drone { };
   drone-oss = callPackage ../development/tools/continuous-integration/drone {
     enableUnfree = false;
@@ -14687,7 +14685,7 @@ with pkgs;
 
   ledger-agent = with python3Packages; toPythonApplication ledger-agent;
 
-  napari = with python3Packages; toPythonApplication napari;
+  napari = with python312Packages; toPythonApplication napari;
 
   nano-wallet = libsForQt5.callPackage ../applications/blockchains/nano-wallet { };