microsoft · cgillum · Jan 30, 2025 · Jan 28, 2025 · Jan 29, 2025 · Jan 29, 2025
diff --git a/.gitmodules b/.gitmodules
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,12 @@
 ### Microsoft.DurableTask.Worker
 
 - Add new `IDurableTaskWorkerBuilder AddDurableTaskWorker(IServiceCollection, string?)` API
+- Add support for work item history streaming
+
+### Microsoft.DurableTask.Grpc
+
+- Replace submodule for proto files with download script for easier maintenance
+- Update to latest proto files
 
 ## v1.5.0
 

diff --git a/README.md b/README.md
@@ -167,9 +167,7 @@ There are also several features that aren't yet available:
 
 ## Obtaining the Protobuf definitions
 
-This project utilizes git submodules to obtain Protobuf definitions from [durabletask-protobuf](https://github.com/microsoft/durabletask-protobuf). You will need to obtain these to build the project.
-
-To get the definitions, run `git submodule update --init --recursive`
+This project utilizes protobuf definitions from [durabletask-protobuf](https://github.com/microsoft/durabletask-protobuf), which are copied (vendored) into this repository under the `src/Grpc` directory. See the corresponding [README.md](./src/Grpc/README.md) for more information about how to update the protobuf definitions.
 
 ## Contributing
 

diff --git a/azure-pipelines-release.yml b/azure-pipelines-release.yml
@@ -28,7 +28,6 @@ variables:
 
 steps:
 - checkout: self
-  submodules: true
 
 - task: UseDotNet@2
   displayName: 'Install .NET 6 SDK (ESRP)' # This is needed for ESRP.

diff --git a/eng/proto b/eng/proto
diff --git a/eng/templates/build.yml b/eng/templates/build.yml
@@ -24,7 +24,6 @@ jobs:
 
       steps:
         - checkout: self
-          submodules: true
 
         - task: UseDotNet@2
           displayName: 'Install .NET 6 SDK (ESRP)' # This is needed for ESRP.

diff --git a/src/Grpc/Grpc.csproj b/src/Grpc/Grpc.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Protobuf Include="$(EngRoot)proto/protos/orchestrator_service.proto" GrpcServices="both" Link="proto/orchestrator_service.proto" />
+    <Protobuf Include="**/*.proto" GrpcServices="Both" Access="Public"  />
   </ItemGroup>
 
 </Project>
diff --git a/src/Grpc/README.md b/src/Grpc/README.md