diff --git a/dotnet/Makefile b/dotnet/Makefile
index 7f7e57cec6..50f461ff8e 100644
--- a/dotnet/Makefile
+++ b/dotnet/Makefile
@@ -153,15 +153,9 @@ endef
 $(foreach platform,$(DOTNET_PLATFORMS),$(eval $(call SupportedTargetPlatforms,$(platform))))
 
 define WorkloadTargets
-Workloads/Microsoft.NET.Sdk.$(1)/WorkloadManifest.json: targets/WorkloadManifest.$(1).template.json Makefile $(TOP)/Make.config.inc $(TOP)/.git/HEAD $(TOP)/.git/index Makefile
+Workloads/Microsoft.NET.Sdk.$(1)/WorkloadManifest.json: Makefile $(TOP)/Make.config.inc $(TOP)/.git/HEAD $(TOP)/.git/index Makefile generate-workloadmanifest-json.csharp
 	$$(Q) rm -f $$@.tmp
-	$$(Q_GEN) sed \
-		-e "s/@VERSION@/$3/g" \
-		-e "s/@NET6_VERSION@/$(4)/g" \
-		-e "s/@BUNDLED_NETCORE_PLATFORMS_PACKAGE_VERSION@/$(BUNDLED_NETCORE_PLATFORMS_PACKAGE_VERSION)/g" \
-		-e "s/@PLATFORM_LOWERCASE@/$2/g" \
-		-e "s/@PLATFORM@/$1/g" \
-		$$< > $$@.tmp
+	$$(Q_GEN) ./generate-workloadmanifest-json.csharp "$(1)" "$(3)" "$(4)" "$$(DOTNET_$(5)_RUNTIME_IDENTIFIERS)" "$$@.tmp" "$$(DOTNET_WINDOWS_PLATFORMS)"
 	$$(Q) mv $$@.tmp $$@
 
 Workloads/Microsoft.NET.Sdk.$(1)/LICENSE: $(TOP)/LICENSE
@@ -173,7 +167,7 @@ WORKLOAD_TARGETS += Workloads/Microsoft.NET.Sdk.$(1)/LICENSE
 LOCAL_WORKLOAD_TARGETS += Workloads/Microsoft.NET.Sdk.$(1)/WorkloadManifest.json
 LOCAL_WORKLOAD_TARGETS += Workloads/Microsoft.NET.Sdk.$(1)/LICENSE
 endef
-$(foreach platform,$(DOTNET_PLATFORMS),$(eval $(call WorkloadTargets,$(platform),$(shell echo $(platform) | tr A-Z a-z),$($(platform)_NUGET_VERSION_NO_METADATA),$(NET6_$(platform)_NUGET_VERSION_NO_METADATA))))
+$(foreach platform,$(DOTNET_PLATFORMS),$(eval $(call WorkloadTargets,$(platform),$(shell echo $(platform) | tr A-Z a-z),$($(platform)_NUGET_VERSION_NO_METADATA),$(NET6_$(platform)_NUGET_VERSION_NO_METADATA),$(shell echo $(platform) | tr a-z A-Z))))
 
 $(DOTNET_NUPKG_DIR)/vs-workload.props: Workloads/vs-workload.template.props
 	$(Q) rm -f $@.tmp
diff --git a/dotnet/generate-workloadmanifest-json.csharp b/dotnet/generate-workloadmanifest-json.csharp
new file mode 100755
index 0000000000..fa88de4e01
--- /dev/null
+++ b/dotnet/generate-workloadmanifest-json.csharp
@@ -0,0 +1,137 @@
+#!/usr/bin/env /Library/Frameworks/Mono.framework/Commands/csharp
+
+// arguments are: <platform> <outputPath>
+
+using System.IO;
+using System.Xml;
+
+var args = Environment.GetCommandLineArgs ();
+var expectedArgumentCount = 6;
+if (args.Length != expectedArgumentCount + 2 /* 2 default arguments (executable + script) + 'expectedArgumentCount' arguments we're interested in */) {
+	// first arg is "/Library/Frameworks/Mono.framework/Versions/4.8.0/lib/mono/4.5/csharp.exe"
+	// second arg the script itself
+	// then comes the ones we care about
+	Console.WriteLine ($"Need {expectedArgumentCount} arguments, got {args.Length - 2}");
+	Environment.Exit (1);
+	return;
+}
+
+var argumentIndex = 2;
+var platform = args [argumentIndex++];
+var version = args [argumentIndex++];
+var net6Version = args [argumentIndex++];
+var runtimeIdentifiers = args [argumentIndex++].Split (' ');
+var outputPath = args [argumentIndex++];
+var windowsPlatforms = args [argumentIndex++].Split (' ');
+var hasWindows = Array.IndexOf (windowsPlatforms, platform) >= 0;
+
+var platformLowerCase = platform.ToLowerInvariant ();
+
+using (TextWriter writer = new StreamWriter (outputPath)) {
+	writer.WriteLine ($"{{");
+	writer.WriteLine ($"	\"version\": \"{version}\",");
+	writer.WriteLine ($"	\"workloads\": {{");
+	writer.WriteLine ($"		\"{platformLowerCase}\": {{");
+	writer.WriteLine ($"			\"description\": \".NET SDK Workload for building {platform} applications.\",");
+	writer.WriteLine ($"			\"packs\": [");
+	writer.WriteLine ($"				\"Microsoft.{platform}.Sdk.net7\",");
+	writer.WriteLine ($"				\"Microsoft.{platform}.Sdk.net6\",");
+	if (hasWindows) {
+		writer.WriteLine ($"				\"Microsoft.{platform}.Windows.Sdk.Aliased.net7\",");
+		writer.WriteLine ($"				\"Microsoft.{platform}.Windows.Sdk.Aliased.net6\",");
+	}
+	writer.WriteLine ($"				\"Microsoft.{platform}.Ref.net7\",");
+	writer.WriteLine ($"				\"Microsoft.{platform}.Ref\",");
+	foreach (var rid in runtimeIdentifiers) {
+		writer.WriteLine ($"				\"Microsoft.{platform}.Runtime.{rid}.net7\",");
+		writer.WriteLine ($"				\"Microsoft.{platform}.Runtime.{rid}\",");
+	}
+	writer.WriteLine ($"				\"Microsoft.{platform}.Templates.net7\"");
+	writer.WriteLine ($"			],");
+	writer.WriteLine ($"			\"extends\": [");
+	if (platform == "macOS") {
+		writer.WriteLine ($"				\"microsoft-net-runtime-mono-tooling\",");
+		writer.WriteLine ($"				\"microsoft-net-runtime-mono-tooling-net6\",");
+	} else {
+		writer.WriteLine ($"				\"microsoft-net-runtime-{platformLowerCase}\",");
+		writer.WriteLine ($"				\"microsoft-net-runtime-{platformLowerCase}-net6\",");
+	}
+	writer.WriteLine ($"			]");
+	writer.WriteLine ($"		}},");
+	writer.WriteLine ($"	}},");
+	writer.WriteLine ($"	\"packs\": {{");
+	writer.WriteLine ($"		\"Microsoft.{platform}.Sdk.net7\": {{");
+	writer.WriteLine ($"			\"kind\": \"sdk\",");
+	writer.WriteLine ($"			\"version\": \"{version}\",");
+	writer.WriteLine ($"			\"alias-to\": {{");
+	writer.WriteLine ($"				\"any\": \"Microsoft.{platform}.Sdk\"");
+	writer.WriteLine ($"			}}");
+	writer.WriteLine ($"		}},");
+	writer.WriteLine ($"		\"Microsoft.{platform}.Sdk.net6\": {{");
+	writer.WriteLine ($"			\"kind\": \"sdk\",");
+	writer.WriteLine ($"			\"version\": \"{net6Version}\",");
+	writer.WriteLine ($"			\"alias-to\": {{");
+	writer.WriteLine ($"				\"any\": \"Microsoft.{platform}.Sdk\"");
+	writer.WriteLine ($"			}}");
+	writer.WriteLine ($"		}},");
+	if (hasWindows) {
+		writer.WriteLine ($"		\"Microsoft.@PLATFORM@.Windows.Sdk.Aliased.net7\": {{");
+		writer.WriteLine ($"			\"kind\": \"sdk\",");
+		writer.WriteLine ($"			\"version\": \"{version}\",");
+		writer.WriteLine ($"			\"alias-to\": {{");
+		writer.WriteLine ($"				\"win-x64\": \"Microsoft.{platform}.Windows.Sdk\",");
+		writer.WriteLine ($"				\"win-x86\": \"Microsoft.{platform}.Windows.Sdk\",");
+		writer.WriteLine ($"				\"win-arm64\": \"Microsoft.{platform}.Windows.Sdk\",");
+		writer.WriteLine ($"			}}");
+		writer.WriteLine ($"		}},");
+		writer.WriteLine ($"		\"Microsoft.{platform}.Windows.Sdk.Aliased.net6\": {{");
+		writer.WriteLine ($"			\"kind\": \"sdk\",");
+		writer.WriteLine ($"			\"version\": \"{net6Version}\",");
+		writer.WriteLine ($"			\"alias-to\": {{");
+		writer.WriteLine ($"				\"win-x64\": \"Microsoft.{platform}.Windows.Sdk\",");
+		writer.WriteLine ($"				\"win-x86\": \"Microsoft.{platform}.Windows.Sdk\",");
+		writer.WriteLine ($"				\"win-arm64\": \"Microsoft.{platform}.Windows.Sdk\",");
+		writer.WriteLine ($"			}}");
+		writer.WriteLine ($"		}},");
+	}
+	writer.WriteLine ($"		// The ref and runtime packs use the .net6 version, because when we load the .net6 SDK pack, it says to use the ref and runtime pack versions from the workload (**FromWorkload**).");
+	writer.WriteLine ($"		// This could be solvable with aliases as well, except that aliases doesn't work in this scenario (https://github.com/dotnet/sdk/issues/26384).");
+	writer.WriteLine ($"		// For the .net7 packs, we're stating the exact version to use in the KnownFrameworkReference item, so whatever we specify here is ignored.");
+	writer.WriteLine ($"		\"Microsoft.{platform}.Ref\": {{");
+	writer.WriteLine ($"			\"kind\": \"framework\",");
+	writer.WriteLine ($"			\"version\": \"{net6Version}\"");
+	writer.WriteLine ($"		}},");
+	writer.WriteLine ($"		\"Microsoft.{platform}.Ref.net7\": {{");
+	writer.WriteLine ($"			\"kind\": \"framework\",");
+	writer.WriteLine ($"			\"version\": \"{version}\",");
+	writer.WriteLine ($"			\"alias-to\": {{");
+	writer.WriteLine ($"				\"any\": \"Microsoft.{platform}.Ref\",");
+	writer.WriteLine ($"			}}");
+	writer.WriteLine ($"		}},");
+	foreach (var rid in runtimeIdentifiers) {
+		writer.WriteLine ($"		\"Microsoft.{platform}.Runtime.{rid}\": {{");
+		writer.WriteLine ($"			\"kind\": \"framework\",");
+		writer.WriteLine ($"			\"version\": \"{net6Version}\"");
+		writer.WriteLine ($"		}},");
+	}
+	foreach (var rid in runtimeIdentifiers) {
+		writer.WriteLine ($"		\"Microsoft.{platform}.Runtime.{rid}.net7\": {{");
+		writer.WriteLine ($"			\"kind\": \"framework\",");
+		writer.WriteLine ($"			\"version\": \"{version}\",");
+		writer.WriteLine ($"			\"alias-to\": {{");
+		writer.WriteLine ($"				\"any\": \"Microsoft.{platform}.Runtime.{rid}\",");
+		writer.WriteLine ($"			}}");
+		writer.WriteLine ($"		}},");
+	}
+	writer.WriteLine ($"		\"Microsoft.{platform}.Templates.net7\": {{");
+	writer.WriteLine ($"			\"kind\": \"template\",");
+	writer.WriteLine ($"			\"version\": \"{version}\",");
+		writer.WriteLine ($"			\"alias-to\": {{");
+		writer.WriteLine ($"				\"any\": \"Microsoft.{platform}.Templates\",");
+		writer.WriteLine ($"			}}");
+	writer.WriteLine ($"		}}");
+	writer.WriteLine ($"	}}");
+	writer.WriteLine ($"}}");
+}
+
+Environment.Exit (0);
diff --git a/dotnet/targets/WorkloadManifest.MacCatalyst.template.json b/dotnet/targets/WorkloadManifest.MacCatalyst.template.json
deleted file mode 100644
index 7f9fdd41a0..0000000000
--- a/dotnet/targets/WorkloadManifest.MacCatalyst.template.json
+++ /dev/null
@@ -1,40 +0,0 @@
-{
-	"version": "@VERSION@",
-	"workloads": {
-		"@PLATFORM_LOWERCASE@": {
-			"description": ".NET SDK Workload for building macOS applications with @PLATFORM@.",
-			"packs": [
-				"Microsoft.@PLATFORM@.Sdk",
-				"Microsoft.@PLATFORM@.Ref",
-				"Microsoft.@PLATFORM@.Runtime.maccatalyst-arm64",
-				"Microsoft.@PLATFORM@.Runtime.maccatalyst-x64",
-				"Microsoft.@PLATFORM@.Templates"
-			],
-			"extends": [ 
-				"microsoft-net-runtime-maccatalyst"
-			]
-		}
-	},
-	"packs": {
-		"Microsoft.@PLATFORM@.Sdk": {
-			"kind": "sdk",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Ref": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.maccatalyst-arm64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.maccatalyst-x64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Templates": {
-			"kind": "template",
-			"version": "@VERSION@"
-		}
-	}
-}
diff --git a/dotnet/targets/WorkloadManifest.iOS.template.json b/dotnet/targets/WorkloadManifest.iOS.template.json
deleted file mode 100644
index a628df8283..0000000000
--- a/dotnet/targets/WorkloadManifest.iOS.template.json
+++ /dev/null
@@ -1,65 +0,0 @@
-{
-	"version": "@VERSION@",
-	"workloads": {
-		"@PLATFORM_LOWERCASE@": {
-			"description": ".NET SDK Workload for building @PLATFORM@ applications.",
-			"packs": [
-				"Microsoft.@PLATFORM@.Sdk",
-				"Microsoft.@PLATFORM@.Windows.Sdk.Aliased",
-				"Microsoft.@PLATFORM@.Ref",
-				"Microsoft.@PLATFORM@.Runtime.ios-arm",
-				"Microsoft.@PLATFORM@.Runtime.ios-arm64",
-				"Microsoft.@PLATFORM@.Runtime.iossimulator-x86",
-				"Microsoft.@PLATFORM@.Runtime.iossimulator-x64",
-				"Microsoft.@PLATFORM@.Runtime.iossimulator-arm64",
-				"Microsoft.@PLATFORM@.Templates"
-			],
-			"extends": [
-				"microsoft-net-runtime-ios"
-			]
-		}
-	},
-	"packs": {
-		"Microsoft.@PLATFORM@.Sdk": {
-			"kind": "sdk",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Windows.Sdk.Aliased": {
-			"kind": "sdk",
-			"version": "@VERSION@",
-			"alias-to": {
-				"win-x64": "Microsoft.@PLATFORM@.Windows.Sdk",
-				"win-x86": "Microsoft.@PLATFORM@.Windows.Sdk",
-				"win-arm64": "Microsoft.@PLATFORM@.Windows.Sdk",
-			}
-		},
-		"Microsoft.@PLATFORM@.Ref": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.ios-arm": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.ios-arm64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.iossimulator-x86": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.iossimulator-x64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.iossimulator-arm64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Templates": {
-			"kind": "template",
-			"version": "@VERSION@"
-		}
-	}
-}
diff --git a/dotnet/targets/WorkloadManifest.macOS.template.json b/dotnet/targets/WorkloadManifest.macOS.template.json
deleted file mode 100644
index 7404d828b2..0000000000
--- a/dotnet/targets/WorkloadManifest.macOS.template.json
+++ /dev/null
@@ -1,40 +0,0 @@
-{
-	"version": "@VERSION@",
-	"workloads": {
-		"@PLATFORM_LOWERCASE@": {
-			"description": ".NET SDK Workload for building @PLATFORM@ applications.",
-			"packs": [
-				"Microsoft.@PLATFORM@.Sdk",
-				"Microsoft.@PLATFORM@.Ref",
-				"Microsoft.@PLATFORM@.Runtime.osx-arm64",
-				"Microsoft.@PLATFORM@.Runtime.osx-x64",
-				"Microsoft.@PLATFORM@.Templates"
-			],
-			"extends": [ 
-				"microsoft-net-runtime-mono-tooling"
-			]
-		}
-	},
-	"packs": {
-		"Microsoft.@PLATFORM@.Sdk": {
-			"kind": "sdk",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Ref": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.osx-arm64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.osx-x64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Templates": {
-			"kind": "template",
-			"version": "@VERSION@"
-		}
-	}
-}
diff --git a/dotnet/targets/WorkloadManifest.tvOS.template.json b/dotnet/targets/WorkloadManifest.tvOS.template.json
deleted file mode 100644
index d60dfa2323..0000000000
--- a/dotnet/targets/WorkloadManifest.tvOS.template.json
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-	"version": "@VERSION@",
-	"workloads": {
-		"@PLATFORM_LOWERCASE@": {
-			"description": ".NET SDK Workload for building @PLATFORM@ applications.",
-			"packs": [
-				"Microsoft.@PLATFORM@.Sdk",
-				"Microsoft.@PLATFORM@.Ref",
-				"Microsoft.@PLATFORM@.Runtime.tvos-arm64",
-				"Microsoft.@PLATFORM@.Runtime.tvossimulator-x64",
-				"Microsoft.@PLATFORM@.Runtime.tvossimulator-arm64",
-				"Microsoft.@PLATFORM@.Templates"
-			],
-			"extends": [
-				"microsoft-net-runtime-tvos"
-			]
-		}
-	},
-	"packs": {
-		"Microsoft.@PLATFORM@.Sdk": {
-			"kind": "sdk",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Ref": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.tvos-arm64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.tvossimulator-x64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Runtime.tvossimulator-arm64": {
-			"kind": "framework",
-			"version": "@VERSION@"
-		},
-		"Microsoft.@PLATFORM@.Templates": {
-			"kind": "template",
-			"version": "@VERSION@"
-		}
-	}
-}