microsoft / microsoft/WindowsAppSDK

Please enable midl Multi-processor compilation by default in C++WinRT project

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area-Projections needs-triage
Dominant language
C++
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Description

### Describe the bug

You have to admit that C++WinRT project already takes way too long to build. Why wouldn't anyone want to enable this? Please make it default, please make C++ developer's life easier.

The option is here in case someone not familiar
![Image](https://github.com/user-attachments/assets/4dab0462-efee-4342-b568-8fe1fb8ee19b)

### Steps to reproduce the bug

n/a

### Expected behavior

_No response_

### Screenshots

_No response_

### NuGet package version

Windows App SDK 1.6.6: 1.6.250228001

### Packaging type

_No response_

### Windows version

_No response_

### IDE

Visual Studio 2022

### Additional context

_No response_

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by locating the C++WinRT project configuration used by Windows App SDK and the Visual Studio setting shown in the issue for MIDL multi-processor compilation. Confirm how that option is currently represented and verify that new projects use it by default without breaking the existing build.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
build-system
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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