diff --git a/.gitignore b/.gitignore
index f43d093009..ed14722dc1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -107,10 +107,13 @@ preserve.belle
 # Ignore auto-generated schema
 /src/Umbraco.Cms.Targets/tasks/
 /src/Umbraco.Cms.Targets/appsettings-schema.*.json
+/src/Umbraco.Cms.Targets/umbraco-package-schema.json
 /src/Umbraco.Web.UI/appsettings-schema.json
 /src/Umbraco.Web.UI/appsettings-schema.*.json
+/src/Umbraco.Web.UI/umbraco-package-schema.json
 /tests/Umbraco.Tests.Integration/appsettings-schema.json
 /tests/Umbraco.Tests.Integration/appsettings-schema.*.json
+/tests/Umbraco.Tests.Integration/umbraco-package-schema.json
 /src/Umbraco.Cms/appsettings-schema.json
 playwright-report
 trace.zip
diff --git a/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj b/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj
index 0da5534d56..e8ceb6b216 100644
--- a/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj
+++ b/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj
@@ -21,12 +21,14 @@
   <!-- Add JSON schema references (and include MSBuild task) -->
   <PropertyGroup>
     <_UmbracoCmsJsonSchemaReference>appsettings-schema.Umbraco.Cms.json</_UmbracoCmsJsonSchemaReference>
+    <_UmbracoCmsPackageSchemaReference>umbraco-package-schema.json</_UmbracoCmsPackageSchemaReference>
     <NoWarn>NU5100;NU5128</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Umbraco.JsonSchema.Extensions" Version="0.3.0" PrivateAssets="all" GeneratePathProperty="true" />
     <None Include="$(PkgUmbraco_JsonSchema_Extensions)\tasks\netstandard2.0\**" Pack="true" PackagePath="tasks\netstandard2.0" Visible="false" />
     <Content Include="$(_UmbracoCmsJsonSchemaReference)" PackagePath="" Visible="false" />
+    <Content Include="$(_UmbracoCmsPackageSchemaReference)" PackagePath="" Visible="false" />
   </ItemGroup>
 
   <!-- We also need physical copies in the right location relative to the Umbraco.Cms.Targets.targets file, as that's directly referenced in projects -->
@@ -58,4 +60,15 @@
       <_PackageFiles Include="$(IntermediateOutputPath)_._" PackagePath="lib\$(TargetFramework)" />
     </ItemGroup>
   </Target>
+
+  <!-- Generate JSON package schema on build (and before copying to project) -->
+  <Target Name="GenerateUmbracoPackageSchema" BeforeTargets="Build;CopyUmbracoJsonSchemaFiles" Condition="!Exists('$(_UmbracoCmsPackageSchemaReference)')">
+    <Message Text="Generating $(_UmbracoCmsPackageSchemaReference) because it doesn't exist" Importance="high" />
+    <Exec WorkingDirectory="$(MsBuildThisFileDirectory)..\Umbraco.Web.UI.New.Client" Command="npm run generate:jsonschema -- --out &quot;$(MSBuildThisFileDirectory)$(_UmbracoCmsPackageSchemaReference)&quot; tsconfig.json UmbracoPackage" />
+  </Target>
+
+  <!-- Remove generated JSON package schema on clean -->
+  <Target Name="RemovePackageSchema" AfterTargets="Clean" Condition="Exists('$(_UmbracoCmsPackageSchemaReference)')">
+    <Delete Files="$(_UmbracoCmsPackageSchemaReference)" />
+  </Target>
 </Project>
diff --git a/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.props b/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.props
index b79d9f9a4b..6b513ba6b1 100644
--- a/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.props
+++ b/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.props
@@ -12,5 +12,6 @@
   <ItemGroup>
     <UmbracoJsonSchemaReferences Include="https://json.schemastore.org/appsettings.json" Weight="-100" />
     <UmbracoJsonSchemaFiles Include="$(MSBuildThisFileDirectory)..\appsettings-schema.Umbraco.Cms.json" Weight="-90" />
+    <UmbracoPackageSchemaFiles Include="$(MSBuildThisFileDirectory)..\umbraco-package-schema.json" Weight="-90" />
   </ItemGroup>
 </Project>
diff --git a/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.targets b/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.targets
index 4d6e128b68..d8cf5f2a73 100644
--- a/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.targets
+++ b/src/Umbraco.Cms.Targets/buildTransitive/Umbraco.Cms.Targets.targets
@@ -8,11 +8,14 @@
       <DependentUpon>appsettings-schema.json</DependentUpon>
     </Content>
   </ItemGroup>
-  
+
   <!-- Copy JSON schema files into the project directory -->
   <Target Name="CopyUmbracoJsonSchemaFiles" BeforeTargets="Build">
     <Message Text="Copying JSON schema files into project directory: @(UmbracoJsonSchemaFiles->'%(Filename)%(Extension)')" Importance="high" />
     <Copy SourceFiles="@(UmbracoJsonSchemaFiles)" DestinationFolder="$(MSBuildProjectDirectory)" SkipUnchangedFiles="true" />
+
+    <Message Text="Copying JSON schema files into project directory: @(UmbracoPackageSchemaFiles->'%(Filename)%(Extension)')" Importance="high" />
+    <Copy SourceFiles="@(UmbracoPackageSchemaFiles)" DestinationFolder="$(MSBuildProjectDirectory)" SkipUnchangedFiles="true" />
   </Target>
 
   <!-- Add references to the JSON schema in the project directory -->
diff --git a/templates/Umbraco.Templates.csproj b/templates/Umbraco.Templates.csproj
index 38848d398a..df7904d0ec 100644
--- a/templates/Umbraco.Templates.csproj
+++ b/templates/Umbraco.Templates.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Title>Umbraco CMS - Templates</Title>
-    <Description>Coontains templates for Umbraco CMS.</Description>
+    <Description>Contains templates for Umbraco CMS.</Description>
     <PackageType>Template</PackageType>
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <IncludeSymbols>false</IncludeSymbols>
diff --git a/templates/UmbracoProject/.gitignore b/templates/UmbracoProject/.gitignore
index 1b6f65e6da..a5233e7c05 100644
--- a/templates/UmbracoProject/.gitignore
+++ b/templates/UmbracoProject/.gitignore
@@ -463,6 +463,9 @@ $RECYCLE.BIN/
 appsettings-schema.json
 appsettings-schema.*.json
 
+# JSON schema file for umbraco-package.json
+umbraco-package-schema.json
+
 # Packages created from the backoffice (package.xml/package.zip)
 /umbraco/Data/CreatedPackages/