diff --git a/pkgs/by-name/ul/ultimatepp/buildUppPackage.nix b/pkgs/by-name/ul/ultimatepp/buildUppPackage.nix
index 8f4d581..83f795b 100644
--- a/pkgs/by-name/ul/ultimatepp/buildUppPackage.nix
+++ b/pkgs/by-name/ul/ultimatepp/buildUppPackage.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation (self: {
       "$assemblies" \
       ${lib.escapeShellArg package} \
       ${buildMethod} \
-      -${if buildShared then "S" else "s"}uvr \
+      -${if buildShared then "S" else "s"}uvr "-H$NIX_BUILD_CORES" \
       ${flagsString} \
       $out/${output}
 
diff --git a/pkgs/by-name/ul/ultimatepp/package.nix b/pkgs/by-name/ul/ultimatepp/package.nix
index 8e4b8af..867f5cc 100644
--- a/pkgs/by-name/ul/ultimatepp/package.nix
+++ b/pkgs/by-name/ul/ultimatepp/package.nix
@@ -5,6 +5,8 @@
   makeWrapper,
   pkg-config,
   stdenv,
+  makeDesktopItem,
+  copyDesktopItems,
 
   # pkg-config dependencies
   libpng,
@@ -60,7 +62,7 @@ in {
   nativeBuildInputs = [
     makeWrapper
     pkg-config
-  ];
+  ] ++ lib.optional (!self.passthru.bootstrap) copyDesktopItems;
 
   buildInputs = uppsrcDependencies ++ lib.optional (!self.passthru.bootstrap) libclang;
 
@@ -94,8 +96,8 @@ in {
     if self.passthru.bootstrap then ''
     make -f umkMakefile -j $NIX_BUILD_CORES "$makeFlagsArray"
   '' else ''
-    ${lib.getExe' selfBootstrap "umk"} uppsrc ide ${buildMethod} -rvs
-    ${lib.getExe' selfBootstrap "umk"} uppsrc umk ${buildMethod} -rvs
+    ${lib.getExe' selfBootstrap "umk"} uppsrc ide ${buildMethod} -rvs "-H$NIX_BUILD_CORES"
+    ${lib.getExe' selfBootstrap "umk"} uppsrc umk ${buildMethod} -rvs "-H$NIX_BUILD_CORES"
   '') + ''
     runHook postBuild
   '';
@@ -112,10 +114,29 @@ in {
 
     wrapProgram $out/bin/theide \
       --unset WAYLAND_DISPLAY
+
+    mkdir -p $out/share/icons/hicolor/scalable/apps
+    cp uppsrc/ide/icon.svg $out/share/icons/hicolor/scalable/apps/ultimatepp-theide.svg
+    for size in 16 32 64 128 256 512; do
+      mkdir -p $out/share/icons/hicolor/''${size}x''${size}/apps
+      cp uppsrc/ide/icon''${size}x''${size}.png $out/share/icons/hicolor/''${size}x''${size}/apps/ultimatepp-theide.png
+    done
   '') + ''
     runHook postInstall
   '';
 
+  desktopItems = [
+    (makeDesktopItem {
+      name = "ultimatepp-theide";
+      exec = "theide";
+      icon = "ultimatepp-theide";
+      desktopName = "TheIDE";
+      comment = "The Ultimate++ Framework IDE";
+      categories = [ "Development" "IDE" ];
+      terminal = false;
+    })
+  ];
+
   passthru = {
     bootstrap = false;
     inherit uppsrcDependencies;