Update to .NET 9 and F# 9

.github/workflows/main.yml

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+# SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 #
 # SPDX-License-Identifier: MIT
 
@@ -31,7 +31,7 @@ jobs:
       - name: Set up .NET SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
       - name: NuGet cache
         uses: actions/cache@v4
         with:

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+# SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 #
 # SPDX-License-Identifier: MIT
 
@@ -44,7 +44,7 @@ jobs:
       - name: Set up .NET SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
       - name: NuGet cache
         uses: actions/cache@v4
         with:

CHANGELOG.md

@@ -1,5 +1,5 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
@@ -12,6 +12,10 @@ Versioning v2.0.0](https://semver.org/spec/v2.0.0.html).
 
 When considering the public API, we take into account the tool configuration and external requirements of the framework-dependent binary. Meaning that basically, breaking changes in configuration files, command-line syntax, or in the runtime requirements should be causing a major version increment.
 
+## [Unreleased] (4.0.0)
+### Changed
+- **(Requirement update!)** Update to .NET 9.
+
 ## [3.0.0] - 2024-06-23
 ### Changed
 - **(Requirement update!)** Update to .NET 8.

CONTRIBUTING.md

@@ -1,5 +1,5 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
@@ -10,7 +10,7 @@ Contributor Guide
 Prerequisites
 -------------
 To develop Emulsion, make sure you've installed the following tools:
-- [.NET SDK][dotnet] 8.0 or later,
+- [.NET SDK][dotnet] 9.0 or later,
 - [Node.js][node.js] 18:
   - if you use [nvm][] or [nvm-windows][], then run `nvm use 18`.
 

Emulsion.ContentProxy/Emulsion.ContentProxy.fsproj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

Emulsion.Database/Emulsion.Database.fsproj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>

Emulsion.MessageArchive.Frontend/Emulsion.MessageArchive.Frontend.proj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.Build.NoTargets/3.7.0">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>

Emulsion.Messaging/Emulsion.Messaging.fsproj

@@ -1,12 +1,12 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
   <ItemGroup>

Emulsion.Settings/Emulsion.Settings.fsproj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
     </PropertyGroup>
 

Emulsion.Telegram/Emulsion.Telegram.fsproj

@@ -1,12 +1,12 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
   <ItemGroup>

Emulsion.TestFramework/Emulsion.TestFramework.fsproj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <OutputType>Library</OutputType>
   </PropertyGroup>

Emulsion.Tests/Emulsion.Tests.fsproj

@@ -1,12 +1,12 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
   <ItemGroup>

Emulsion.Web/Emulsion.Web.fsproj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

Emulsion/Emulsion.fsproj

@@ -1,13 +1,13 @@
 <!--
-SPDX-FileCopyrightText: 2024 Emulsion contributors <https://github.com/codingteam/emulsion>
+SPDX-FileCopyrightText: 2025 Emulsion contributors <https://github.com/codingteam/emulsion>
 
 SPDX-License-Identifier: MIT
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Version>3.0.0</Version>
     <RollForward>Major</RollForward>
   </PropertyGroup>

Emulsion/Xmpp/SharpXmppHelper.fs

@@ -52,7 +52,7 @@ let private bookmark (roomJid: string) (nickname: string) (password: string opti
     room.Add(nickElement)
     room
 
-#nowarn "9" // for NativePtr
+#nowarn 9 // for NativePtr
 let SanitizeXmlText(text: string): string =
     let mutable hasError = false
     let mutable span = text.AsSpan()