[adhoc-qa] 2026-07-25 QA Report

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Summary

Reviewed commits since the 2026-07-23 report (latest: 7539a5b).

Notable changes since last report

• #10128 — Add cooperative slow-test diagnostics for browser: new MTP_PROGRESS_SLOW_TEST_SECONDS env var, ActiveTestTracker, SlowTestThresholdState, ProgressReportingConfiguration. Unit tests added. BrowserPlayground README updated.
• #10201 — Perf: eliminate per-test closure allocations in IPC deserializers. Tests added.
• #10199 — Simplify InProgressTest with primary constructor pattern.
• #10194 — Deduplicate BaseSerializer primitive serialization.
• #10196 — Use MSBuildCache build with Arcade fallback.
• #10212, #10210, #10211 — Dependency updates via dotnet-maestro.

Findings

• ✅ New ActiveTestTracker / SlowTestThresholdState classes have unit tests
• ✅ BrowserPlayground README documents MTP_PROGRESS_SLOW_TEST_SECONDS
• ✅ No init accessors on new internal APIs
• ✅ No bare TODO comments without issue references found in changed files
• ⚠️ Changelog gap: PR #10128 (user-facing feature: cooperative slow-test diagnostics + new env var) is not listed in docs/Changelog-Platform.md. Neither are #10194, #10196, #10199, #10201 — though those are internal and may be intentionally omitted.
• ⚠️ MTP_PROGRESS_SILENCE_SECONDS is not documented anywhere in docs/ (only used in code). Same for MTP_PROGRESS_SLOW_TEST_SECONDS outside the BrowserPlayground README.
• ⚠️ Build could not run (requires .NET SDK 11.0.100-preview; not in sandbox)

Actions Taken

No issues created, no PRs opened. No critical defects found. The changelog gap for #10128 is worth noting but is likely in-progress (unreleased feature in 2.4.0-UNRELEASED section).

Commands used

git log --oneline -15
cat src/Platform/Microsoft.Testing.Platform/OutputDevice/ActiveTestTracker.cs
cat src/Platform/Microsoft.Testing.Platform/OutputDevice/SlowTestThresholdState.cs
cat src/Platform/Microsoft.Testing.Platform/OutputDevice/ProgressReportingConfiguration.cs
cat src/Platform/Microsoft.Testing.Platform/OutputDevice/TerminalOutputDevice.Initialization.cs
grep -r "MTP_PROGRESS" --include="*.md" -l
grep -n "10128\|10201\|cooperative" docs/Changelog-Platform.md
cat samples/BrowserPlayground/README.md

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• expires on Aug 1, 2026, 6:32 AM UTC

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This discussion was automatically closed because it expired on 2026-08-01T06:32:31.488Z.

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