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Document multi-request target crosstalk#14403

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raines-multi-request-target-crosstalk
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Document multi-request target crosstalk#14403
rainersigwald wants to merge 6 commits into
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raines-multi-request-target-crosstalk

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@rainersigwald

@rainersigwald rainersigwald commented Jul 16, 2026

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MSBuild's target-once and mutable-project-state semantics can combine into arrival-order-dependent behavior that is difficult to predict or diagnose. Writing down a description of why this happens.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d6a80f0b-7676-4fcf-bfdf-95980f3b2864
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d6a80f0b-7676-4fcf-bfdf-95980f3b2864
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d6a80f0b-7676-4fcf-bfdf-95980f3b2864
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d6a80f0b-7676-4fcf-bfdf-95980f3b2864
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d6a80f0b-7676-4fcf-bfdf-95980f3b2864
@@ -0,0 +1,114 @@
# Multi-Request Target Crosstalk

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I liked "crosstalk" best so far but open to other words here if you've got them!

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love this name!

</Target>
```

Two callers request different target sets:

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you may want to note a common case is other configurations doing an MSBuild task could be causing these different requests - I know you note the parallel down below but it may not be super obvious that theses other configurations making the requests are the things happening in parallel / non-deterministic

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3 participants