[manual] Merge release/9.0-staging into release/9.0

.config/dotnet-tools.json

@@ -15,7 +15,7 @@
       ]
     },
     "microsoft.dotnet.xharness.cli": {
-      "version": "9.0.0-prerelease.24405.1",
+      "version": "9.0.0-prerelease.24575.3",
       "commands": [
         "xharness"
       ]

.github/PULL_REQUEST_TEMPLATE/servicing_pull_request_template.md

@@ -22,6 +22,7 @@ main PR <!-- Link to PR if any that fixed this in the main branch. -->
 
 <!-- Please assess the risk of taking this fix. Provide details backing up your assessment. -->
 
-# Package authoring signed off?
+# Package authoring no longer needed in .NET 9
 
-IMPORTANT: If this change touches code that ships in a NuGet package, please make certain that you have added any necessary [package authoring](../../docs/project/library-servicing.md) and gotten it explicitly reviewed.
+IMPORTANT: Starting with .NET 9, you no longer need to edit a NuGet package's csproj to enable building and bump the version.
+Keep in mind that we still need package authoring in .NET 8 and older versions.

.github/workflows/backport.yml

@@ -48,4 +48,7 @@ jobs:
 
         - The PR target branch is `release/X.0-staging`, not `release/X.0`.
 
-        - If the change touches code that ships in a NuGet package, you have added the necessary [package authoring](https://github.com/dotnet/runtime/blob/main/docs/project/library-servicing.md) and gotten it explicitly reviewed.
+        ## Package authoring no longer needed in .NET 9
+
+        **IMPORTANT**: Starting with .NET 9, you no longer need to edit a NuGet package's csproj to enable building and bump the version.
+        Keep in mind that we still need package authoring in .NET 8 and older versions.

.github/workflows/jit-format.yml

@@ -15,7 +15,7 @@ jobs:
         os:
           - name: linux
             image: ubuntu-latest
-            container: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-amd64-net9.0
+            container: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-amd64
             extension: '.sh'
             cross: '--cross'
             rootfs: '/crossrootfs/x64'

Directory.Build.props

@@ -121,9 +121,8 @@
     <NetFrameworkToolCurrent Condition="'$(DotNetBuildSourceOnly)' == 'true'" />
     <NetFrameworkCurrent Condition="'$(DotNetBuildSourceOnly)' == 'true'" />
 
-    <!-- Important: Set this to the GA version (or a close approximation) during servicing and adjust the TFM property below. -->
-    <ApiCompatNetCoreAppBaselineVersion>8.0.0</ApiCompatNetCoreAppBaselineVersion>
-    <ApiCompatNetCoreAppBaselineTFM>net8.0</ApiCompatNetCoreAppBaselineTFM>
+    <ApiCompatNetCoreAppBaselineVersion>9.0.0</ApiCompatNetCoreAppBaselineVersion>
+    <ApiCompatNetCoreAppBaselineTFM>net9.0</ApiCompatNetCoreAppBaselineTFM>
   </PropertyGroup>
 
   <PropertyGroup Label="CalculateConfiguration">

NuGet.config

@@ -9,8 +9,15 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
+    <add key="darc-pub-dotnet-emsdk-cd2146c" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-cd2146c9/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-cd2146c-3" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-cd2146c9-3/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-cd2146c-2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-cd2146c9-2/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-cd2146c-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-cd2146c9-1/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-emsdk-5a19723" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-5a197234/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
+    <!--  Begin: Package sources from dotnet-sdk -->
+    <add key="darc-pub-dotnet-sdk-cbec38b" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-sdk-cbec38b1/nuget/v3/index.json" />
+    <!--  End: Package sources from dotnet-sdk -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <!--
       'src/test/PrepareTestAssets/PrepareTestAssets.proj' generates a NuGet.config file using this

docs/project/library-servicing.md

@@ -8,17 +8,12 @@ Servicing branches represent shipped versions of .NET, and their name is in the
 - `release/7.0-staging`
 - `release/6.0-staging`
 
-## Check if a package is generated
-
-If a library is packable (check for the `<IsPackable>true</IsPackable>` property) you'll need to set `<GeneratePackageOnBuild>true</GeneratePackageOnBuild>` in the source project. That is necessary as packages aren't generated by default in servicing releases.
-
-## Determine ServiceVersion
-
-When you make a change to a library & ship it during the servicing release, the `ServicingVersion` must be bumped. This property is found in the library's source project. It's also possible that the property is not in that file, in which case you'll need to add it to the library's source project and set it to 1. If the property is already present in your library's source project, just increment the servicing version by 1.
+IMPORTANT: Starting with .NET 9, you no longer need to edit a NuGet package's csproj to enable building and bump the version.
+Keep in mind that we still need package authoring in .NET 8 and older versions.
 
 ## Test your changes
 
-All that's left is to ensure that your changes have worked as expected. To do so, execute the following steps:
+Develop and test your change as normal.  For packages, you may want to test them outside the repo infrastructure. To do so, execute the following steps:
 
 1. From a clean copy of your branch, run `build.cmd/sh libs -allconfigurations`
 

docs/workflow/building/coreclr/linux-instructions.md

@@ -54,13 +54,13 @@ The images used for our official builds can be found in [the pipeline resources]
 
 | Host OS               | Target OS    | Target Arch     | Image                                                                                  | crossrootfs dir      |
 | --------------------- | ------------ | --------------- | -------------------------------------------------------------------------------------- | -------------------- |
-| Azure Linux (x64)     | Alpine 3.13  | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-amd64-alpine-net9.0` | `/crossrootfs/x64`   |
-| Azure Linux (x64)     | Ubuntu 16.04 | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-amd64-net9.0`        | `/crossrootfs/x64`   |
-| Azure Linux (x64)     | Alpine       | arm32 (armhf)   | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-arm-alpine-net9.0`   | `/crossrootfs/arm`   |
-| Azure Linux (x64)     | Ubuntu 16.04 | arm32 (armhf)   | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-arm-net9.0`          | `/crossrootfs/arm`   |
-| Azure Linux (x64)     | Alpine       | arm64 (arm64v8) | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-arm64-alpine-net9.0` | `/crossrootfs/arm64` |
-| Azure Linux (x64)     | Ubuntu 16.04 | arm64 (arm64v8) | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-arm64-net9.0`        | `/crossrootfs/arm64` |
-| Azure Linux (x64)     | Ubuntu 16.04 | x86             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-x86-net9.0`          | `/crossrootfs/x86`   |
+| Azure Linux (x64)     | Alpine 3.13  | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-amd64-alpine` | `/crossrootfs/x64`   |
+| Azure Linux (x64)     | Ubuntu 16.04 | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-amd64`        | `/crossrootfs/x64`   |
+| Azure Linux (x64)     | Alpine       | arm32 (armhf)   | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm-alpine`   | `/crossrootfs/arm`   |
+| Azure Linux (x64)     | Ubuntu 16.04 | arm32 (armhf)   | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm`          | `/crossrootfs/arm`   |
+| Azure Linux (x64)     | Alpine       | arm64 (arm64v8) | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm64-alpine` | `/crossrootfs/arm64` |
+| Azure Linux (x64)     | Ubuntu 16.04 | arm64 (arm64v8) | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm64`        | `/crossrootfs/arm64` |
+| Azure Linux (x64)     | Ubuntu 16.04 | x86             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-x86`          | `/crossrootfs/x86`   |
 
 Notes:
 
@@ -70,21 +70,21 @@ Notes:
 
 The following images are used for more extended scenarios, including for community-supported builds, and may require different patterns of use.
 
-| Host OS               | Target OS    | Target Arch     | Image                                                                                  | crossrootfs dir      |
-| --------------------- | ------------ | --------------- | -------------------------------------------------------------------------------------- | -------------------- |
-| Azure Linux (x64)     | Android Bionic | x64           | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-android-amd64-net9.0`|                      |
-| Azure Linux (x64)     | Android Bionic (w/OpenSSL) | x64 | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-android-openssl-net9.0`  |                      |
-| Azure Linux (x64)     | Android Bionic (w/Docker) | x64 | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-android-docker-net9.0`    |                      |
-| Azure Linux (x64)     | Azure Linux 3.0 | x64          | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-fpm-net9.0`                |                      |
-| Azure Linux (x64)     | FreeBSD 13   | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-freebsd-13-net9.0`   | `/crossrootfs/x64`   |
-| Azure Linux (x64)     | Ubuntu 18.04 | PPC64le         | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-ppc64le-net9.0`      | `/crossrootfs/ppc64le` |
-| Azure Linux (x64)     | Ubuntu 24.04 | RISC-V          | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-riscv64-net9.0`      | `/crossrootfs/riscv64` |
-| Azure Linux (x64)     | Ubuntu 18.04 | S390x           | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-s390x-net9.0`        | `/crossrootfs/s390x` |
-| Azure Linux (x64)     | Ubuntu 16.04 (Wasm) | x64      | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-webassembly-amd64-net9.0`  | `/crossrootfs/x64`   |
-| Debian (x64)          | Debian 12    | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:debian-12-gcc14-amd64`                    | `/crossrootfs/armv6` |
-| Ubuntu (x64)          | Ubuntu 22.04 | x64             | `mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-debpkg`                      |                      |
-| Ubuntu (x64)          | Tizen 9.0    | Arm32 (armel)   | `mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-cross-armel-tizen`           | `/crossrootfs/armel` |
-| Ubuntu (x64)          | Ubuntu 20.04 | Arm32 (v6)      | `mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-cross-armv6-raspbian-10`     | `/crossrootfs/armv6` |
+| Host OS               | Target OS                  | Target Arch       | Image                                                                                  | crossrootfs dir        |
+| --------------------- | -------------------------- | ----------------- | -------------------------------------------------------------------------------------- | ---------------------- |
+| Azure Linux (x64)     | Android Bionic             | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-android-amd64`|                        |
+| Azure Linux (x64)     | Android Bionic (w/OpenSSL) | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-android-openssl`    |                        |
+| Azure Linux (x64)     | Android Bionic (w/Docker)  | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-android-docker`     |                        |
+| Azure Linux (x64)     | Azure Linux 3.0            | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-fpm`                |                        |
+| Azure Linux (x64)     | FreeBSD 13                 | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-freebsd-13`   | `/crossrootfs/x64`     |
+| Azure Linux (x64)     | Ubuntu 18.04               | PPC64le           | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-ppc64le`      | `/crossrootfs/ppc64le` |
+| Azure Linux (x64)     | Ubuntu 24.04               | RISC-V            | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-riscv64`      | `/crossrootfs/riscv64` |
+| Azure Linux (x64)     | Ubuntu 18.04               | S390x             | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-s390x`        | `/crossrootfs/s390x`   |
+| Azure Linux (x64)     | Ubuntu 16.04 (Wasm)        | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-webassembly-amd64`  | `/crossrootfs/x64`     |
+| Debian (x64)          | Debian 12                  | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:debian-12-gcc14-amd64`                    | `/crossrootfs/armv6`   |
+| Ubuntu (x64)          | Ubuntu 22.04               | x64               | `mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-debpkg`                      |                        |
+| Ubuntu (x64)          | Tizen 9.0                  | Arm32 (armel)     | `mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-cross-armel-tizen`           | `/crossrootfs/armel`   |
+| Ubuntu (x64)          | Ubuntu 20.04               | Arm32 (v6)        | `mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-cross-armv6-raspbian-10`     | `/crossrootfs/armv6`   |
 
 ## Build using your own Environment