diff --git a/pkgs/applications/backup/timeshift/unwrapped.nix b/pkgs/applications/backup/timeshift/unwrapped.nix
index dd0cff4d55553..74fff5fb87ed2 100644
--- a/pkgs/applications/backup/timeshift/unwrapped.nix
+++ b/pkgs/applications/backup/timeshift/unwrapped.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation rec {
   pname = "timeshift";
-  version = "24.01.1";
+  version = "24.06.1";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = "timeshift";
     rev = version;
-    hash = "sha256-vAKUR0VsOuiQmB+1jPOR0KufzfXaxAsf3EOPzdgFt0A=";
+    hash = "sha256-H4PCZ1WwNg34WSDXgmH6pUPBglXafLTFfIzvmWiyeCw=";
   };
 
   patches = [
diff --git a/pkgs/applications/editors/xed-editor/default.nix b/pkgs/applications/editors/xed-editor/default.nix
index cb147cf099eb8..9034b2eb375c6 100644
--- a/pkgs/applications/editors/xed-editor/default.nix
+++ b/pkgs/applications/editors/xed-editor/default.nix
@@ -19,13 +19,13 @@
 
 stdenv.mkDerivation rec {
   pname = "xed-editor";
-  version = "3.4.5";
+  version = "3.6.1";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = "xed";
     rev = version;
-    sha256 = "sha256-MXRxzmRo/dRhp5Llib9ng1gzWW8uvzqTMjUVK8a3eJ8=";
+    sha256 = "sha256-RFauTXwiaSd+J8zoJQmib4bKNR4NC/LSCCqCHv8Hdr8=";
   };
 
   patches = [
diff --git a/pkgs/desktops/cinnamon/pix/default.nix b/pkgs/desktops/cinnamon/pix/default.nix
index 45b8da1760ba8..a0ef67a9302b1 100644
--- a/pkgs/desktops/cinnamon/pix/default.nix
+++ b/pkgs/desktops/cinnamon/pix/default.nix
@@ -7,6 +7,7 @@
 , exiv2
 , libheif
 , libjpeg
+, libjxl
 , libtiff
 , gst_all_1
 , libraw
@@ -30,13 +31,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pix";
-  version = "3.2.2";
+  version = "3.4.0";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = pname;
     rev = version;
-    sha256 = "sha256-tRndJjUw/k5mJPFTBMfW88Mvp2wZtC3RUzyS8bBO1jc=";
+    sha256 = "sha256-XXt5tq+Zfm6fqorsFAWV3guii6gTK5JRgw26GkNkoos=";
   };
 
   nativeBuildInputs = [
@@ -65,6 +66,7 @@ stdenv.mkDerivation rec {
     lcms2
     libheif
     libjpeg
+    libjxl
     libraw
     librsvg
     libsecret
diff --git a/pkgs/desktops/cinnamon/xapp/default.nix b/pkgs/desktops/cinnamon/xapp/default.nix
index 14b706fbd4c37..b55830b56c45b 100644
--- a/pkgs/desktops/cinnamon/xapp/default.nix
+++ b/pkgs/desktops/cinnamon/xapp/default.nix
@@ -22,7 +22,7 @@
 
 stdenv.mkDerivation rec {
   pname = "xapp";
-  version = "2.8.2";
+  version = "2.8.3";
 
   outputs = [ "out" "dev" ];
 
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     owner = "linuxmint";
     repo = pname;
     rev = version;
-    hash = "sha256-n600mc8/4+bYUtYaHUnmr90ThVkngcu8Ft02iuSrWWQ=";
+    hash = "sha256-uWBHCsKcW0vP2HYHQWXPrCSr5NsN2nYWAzBByxJBVrY=";
   };
 
   # Recommended by upstream, which enables the build of xapp-debug.
diff --git a/pkgs/desktops/cinnamon/xreader/default.nix b/pkgs/desktops/cinnamon/xreader/default.nix
index 05a4aedfb6ed6..19e8ced87c90c 100644
--- a/pkgs/desktops/cinnamon/xreader/default.nix
+++ b/pkgs/desktops/cinnamon/xreader/default.nix
@@ -27,13 +27,13 @@
 
 stdenv.mkDerivation rec {
   pname = "xreader";
-  version = "4.0.2";
+  version = "4.2.0";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = pname;
     rev = version;
-    sha256 = "sha256-X5XMkO2JFceLyH7KEp8mnDltdjGpCT4kVGdcpGRpUJI=";
+    sha256 = "sha256-MWSAyXQcE8cDdzJISFV7UHheHX+7zF1Ula+LGicvUPM=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/xdg-desktop-portal-xapp/default.nix b/pkgs/development/libraries/xdg-desktop-portal-xapp/default.nix
index d614627a07493..a0808f78c2686 100644
--- a/pkgs/development/libraries/xdg-desktop-portal-xapp/default.nix
+++ b/pkgs/development/libraries/xdg-desktop-portal-xapp/default.nix
@@ -8,19 +8,20 @@
 , cinnamon
 , glib
 , gsettings-desktop-schemas
+, gtk3
 , mate
 , xdg-desktop-portal
 }:
 
 stdenv.mkDerivation rec {
   pname = "xdg-desktop-portal-xapp";
-  version = "1.0.4";
+  version = "1.0.5";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = "xdg-desktop-portal-xapp";
     rev = version;
-    hash = "sha256-Zz44PCociYhUuHTS3HJNxJPCkiIl01FFe4//7jtgDsk=";
+    hash = "sha256-dQDz5x6rCJ9BprwrVZVL9BgYqgWmC5eZ8xamX9elLD0=";
   };
 
   nativeBuildInputs = [
@@ -34,6 +35,7 @@ stdenv.mkDerivation rec {
     cinnamon.cinnamon-desktop # org.cinnamon.desktop.background
     glib
     gsettings-desktop-schemas # org.gnome.system.location
+    gtk3
     mate.mate-desktop # org.mate.background
     xdg-desktop-portal
   ];
diff --git a/pkgs/development/python-modules/xapp/default.nix b/pkgs/development/python-modules/xapp/default.nix
index ba55391ca66fc..631857b89d5b2 100644
--- a/pkgs/development/python-modules/xapp/default.nix
+++ b/pkgs/development/python-modules/xapp/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "xapp";
-  version = "2.4.1";
+  version = "2.4.2";
 
   format = "other";
 
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "linuxmint";
     repo = "python-xapp";
     rev = version;
-    hash = "sha256-Kvhp+biZ+KK9FYma/8cUEaQCHPKMLjOO909kbyMLQ3o=";
+    hash = "sha256-Gbm4YT9ZyrROOAbKz5xYd9J9YG9cUL2Oo6dDCPciaBs=";
   };
 
   nativeBuildInputs = [
@@ -42,14 +42,8 @@ buildPythonPackage rec {
   ];
 
   postPatch = ''
-    substituteInPlace "xapp/os.py" --replace "/usr/bin/pkexec" "${polkit}/bin/pkexec"
-  '';
-
-  postInstall = ''
-    # This is typically set by pipInstallHook/eggInstallHook,
-    # so we have to do so manually when using meson.
-    # https://github.com/NixOS/nixpkgs/issues/175227
-    export PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
+    substituteInPlace "xapp/os.py" \
+      --replace-fail "/usr/bin/pkexec" "${polkit}/bin/pkexec"
   '';
 
   doCheck = false;
@@ -63,7 +57,7 @@ buildPythonPackage rec {
   meta = with lib; {
     homepage = "https://github.com/linuxmint/python-xapp";
     description = "Cross-desktop libraries and common resources for python";
-    license = licenses.lgpl2;
+    license = licenses.lgpl2Plus;
     platforms = platforms.linux;
     maintainers = teams.cinnamon.members;
   };