feat: Upgrade to net10.0 single-target, remove polyfills, bump build packages

- Change main lib from multi-target to net10.0 only
- Remove PolySharp and System.Text.Json references (unnecessary on net10)
- Remove net4.6.2 conditional references
- Upgrade all helper and test projects to net10.0
- Update CI workflows to dotnet-version 10.0.x
- Add NuGet audit PropertyGroup to src/Directory.Build.props
- Bump MinVer → 7.0.0 and DotNet.ReproducibleBuilds → 2.0.2

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: HavenDV

.github/workflows/auto-update.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 9.0.x
+          dotnet-version: 10.0.x
 
       - name: Generate code
         run: |

.github/workflows/mkdocs.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 9.0.x
+          dotnet-version: 10.0.x
 
       - name: Generate docs
         run: dotnet run --project src/helpers/GenerateDocs/GenerateDocs.csproj .

src/Directory.Build.props

@@ -6,4 +6,12 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+
+  <PropertyGroup Label="Auditing">
+    <NuGetAudit>true</NuGetAudit>
+    <NuGetAuditMode>all</NuGetAuditMode>
+    <NuGetAuditLevel>low</NuGetAuditLevel>
+    <WarningsAsErrors>$(WarningsAsErrors);NU1900;NU1901;NU1902;NU1903;NU1904</WarningsAsErrors>
+  </PropertyGroup>
+
 </Project>

src/helpers/FixOpenApiSpec/FixOpenApiSpec.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>

src/helpers/GenerateDocs/GenerateDocs.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 

src/helpers/TrimmingHelper/TrimmingHelper.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
 
     <PublishTrimmed>true</PublishTrimmed>

src/libs/Firecrawl.Cli/Firecrawl.Cli.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>

src/libs/Firecrawl/Firecrawl.csproj

@@ -1,24 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net4.6.2;net8.0;net9.0</TargetFrameworks>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Label="Nuget">
     <Description>Generated C# SDK based on Firecrawl OpenAPI specification.</Description>
     <PackageTags>api;client;sdk;dotnet;swagger;openapi;specification;generated;nswag</PackageTags>
   </PropertyGroup>
-  
-  <ItemGroup>
-    <PackageReference Include="PolySharp" Version="1.15.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="System.Text.Json" Version="10.0.3" />
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'net4.6.2'">
-    <Reference Include="System.Net.Http" />
-  </ItemGroup>
 
 </Project>

src/tests/IntegrationTests/Firecrawl.IntegrationTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup Label="Base packages">