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[Do not merge] Runtime hang bisect — preview.3.26176 (Mar 31)#67244

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[Do not merge] Runtime hang bisect — preview.3.26176 (Mar 31)#67244
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wtgodbe:dotnet/runtime-bisect-p3-26176

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@wtgodbe

@wtgodbe wtgodbe commented Jun 16, 2026

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Do not merge. Bisection probe for the macOS VSD DispatchCache hang (dotnet/runtime#128955, #128859).

Rolls the dotnet/dotnet runtime + SDK dependencies (eng/Version.Details.xml, eng/Version.Details.props, global.json) back to a coherent older codeflow snapshot, and reverts #63531 so the PR-check macOS test leg runs on the OSX.15.Amd64.Open Helix queue (where the hang reproduces). Goal: find which runtime version bump introduced the hang. Tests will be run ~3x.
This probe: VMR 11.0.0-preview.3.26176.106 / SDK 11.0.100-preview.3.26170.106 (codeflow #65987, Mar 31).

@wtgodbe wtgodbe force-pushed the dotnet/runtime-bisect-p3-26176 branch 3 times, most recently from 18233c5 to 1dc8cfb Compare June 16, 2026 19:55
…acOS VSD hang

Merge-downgrade of eng/Version.Details.{xml,props} + global.json to dotnet/dotnet
codeflow commit 8d5666c (keeps arcade/Wix + main-only deps at main, no dep removal).
Adds the target-era darc-pub-dotnet-extensions feed to NuGet.config so rolled-back
package versions (e.g. Microsoft.Extensions.Caching.Hybrid 10.4.1) resolve.
Reverts the macOS PR-check Helix queue (dotnet#63531) back to OSX.15.Amd64.Open.
Targeted API-break fixes coherent with the older runtime: rolls the 2
CertificateGeneration files back to the target (pre-dotnet#66727 Process.Run) and removes
the JsonTypeInfoKind.Union block (pre-dotnet#67001) in OpenApi.

Draft probe PR for runtime mac-hang bisection. Not for merge.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@wtgodbe wtgodbe force-pushed the dotnet/runtime-bisect-p3-26176 branch from 1dc8cfb to 93d3af0 Compare June 16, 2026 19:58
@wtgodbe wtgodbe closed this Jun 17, 2026
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