Bump the test-stack group with 3 updates

[dependabot]

Updated AngleSharp from 1.8.1 to 1.8.4.

Release notes

Sourced from AngleSharp's releases.

1.8.4

Released on Wednesday, October 7 2026

What's Changed

• Improved selection when parsing <select> (#​1364) @​PrzemyslawKlys
• Updated constraint validation eligibility of fieldset and output elements (breaking behavior change) (#​1373) @​PrzemyslawKlys
• Fixed change of <select> value (IsSelected) (#​1365) @​PrzemyslawKlys
• Fixed indeterminate input state when cloning (#​1367) @​PrzemyslawKlys
• Fixed <select> form submission including unselected options and options in disabled groups (#​1366) @​PrzemyslawKlys
• Fixed option indexes inside option groups (#​1368) @​PrzemyslawKlys
• Fixed selecting an option leaving other single-select options selected (#​1372) @​PrzemyslawKlys
• Fixed validity checks for controls excluded from validation (#​1370) @​PrzemyslawKlys
• Fixed template content document when adopting a subtree (#​1374) @​PrzemyslawKlys
• Fixed checking a radio leaving other group members checked (#​1371) @​PrzemyslawKlys
• Fixed parsed radio checkedness depending on attribute order @​PrzemyslawKlys
• Fixed SVG annotation-xml elements being treated as HTML integration points @​NotAFlightRisk
• Fixed required radio validation across group members (#​1369) @​PrzemyslawKlys
• Released 1.8.4 by @​FlorianRappl in Release 1.8.4 AngleSharp/AngleSharp#1377

New Contributors

• @​NotAFlightRisk made their first contribution in Don't treat an SVG annotation-xml as an HTML integration point AngleSharp/AngleSharp#1376

Full Changelog: AngleSharp/AngleSharp@v1.8.3...v1.8.4

1.8.3

Released on Wednesday, September 30 2026

What's Changed

• Improved cancellation of queued timer callbacks (#​1357) @​PrzemyslawKlys
• Improved configuration / setup performance (#​1360) @​PrzemyslawKlys
• Fixed form submission ignoring sandbox restrictions (#​1358) @​PrzemyslawKlys
• Fixed <base> elements not following frozen document base URL and tree-order mutation rules (#​1355, #​1362)
• Fixed native Unloading handlers subscribing to unloading instead of beforeunload (#​1354) @​PrzemyslawKlys
• Added OnReset event to inform script hosts of native listener removals (#​1356) @​PrzemyslawKlys
• Added pull-based HTML serialization stream (#​1361) @​PrzemyslawKlys
• Released 1.8.3 by @​FlorianRappl in Release 1.8.3 AngleSharp/AngleSharp#1363

New Contributors

• @​PrzemyslawKlys made their first contribution in Notify script hosts when native listeners reset AngleSharp/AngleSharp#1356

Full Changelog: AngleSharp/AngleSharp@v1.8.2...v1.8.3

1.8.2

Released on Friday, September 18 2026

What's Changed

• Improved attribute selector serialization to write only the case-sensitivity modifier that was specified (#​1351)
• Improved id/name lookup on collections (document.forms["x"], form.elements["x"], ...) to enumerate the underlying sequence once instead of twice
• Improved performance of form.elements / fieldset.elements by walking the tree directly (#​1350)
• Improved GetElementsByTagName / GetElementsByClassName traversal to stop double-scanning each element's children
• Improved selector specificity (Selectors.Specificity, ComplexSelector.Specificity) to be computed once instead of recomputed on every read
• Improved ListSelector.GetMatchingSelector to sort its selectors once instead of on every call
• Improved performance of HTML tree construction by keeping mutation logic out of it (#​1347)
• Improved performance of DOM mutations by building a mutation record only when an observer will consume it (#​1347)
• Improved performance of parser attribute duplication check
• Fixed Document.Forms allocating a new collection instance per read, contradicting its own [DomSameObject] contract
• Fixed classList and the other reflected token lists writing their content attribute without running the attribute change steps or queueing a mutation record
• Fixed clearing a reflected boolean attribute such as disabled removing it without running the attribute change steps or queueing a mutation record
• Fixed vulnerability via SVG style serialization (GHSA-cgp3-27rh-pcp2)
• Fixed a StackOverflowException when parsing a document with deeply nested unclosed <template> elements
• Added Document.MutationVersion, a synchronous counter of DOM mutations that a parse leaves unchanged (#​1344, #​1347)
• Released 1.8.2 by @​FlorianRappl in Release 1.8.2 AngleSharp/AngleSharp#1353

New Contributors

• @​RichardJansma made their first contribution in Fix broken image download URLs in FAQ AngleSharp/AngleSharp#1352

Full Changelog: AngleSharp/AngleSharp@v1.8.1...v1.8.2

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Updated Microsoft.NET.Test.Sdk from 18.10.1 to 18.11.0.

Release notes

Sourced from Microsoft.NET.Test.Sdk's releases.

18.11.0

What's Changed

• Fix TRX logger mangling astral-plane (non-BMP) characters by @​azat-msft in Fix TRX logger mangling astral-plane (non-BMP) characters microsoft/vstest#16318
• Disable the MTP testhost by default by @​nohwnd in Disable the MTP testhost by default microsoft/vstest#16337
• Fix OS-blind apphost probe in MTP bridge on Unix (regression from #​16201) by @​azat-msft in Fix OS-blind apphost probe in MTP bridge on Unix (regression from #16201) microsoft/vstest#16336
• Retarget the MTP client onto Microsoft.Testing.Platform.ServerMode.Client.Sources by @​nohwnd in Retarget the MTP client onto Microsoft.Testing.Platform.ServerMode.Client.Sources microsoft/vstest#16300
• Pass arguments to PowerShell with -File instead of -command by @​nohwnd in Pass arguments to PowerShell with -File instead of -command microsoft/vstest#16363
• Respect console logger verbosity from a settings file by @​nohwnd in Respect console logger verbosity from a settings file microsoft/vstest#16044
• Fix backslash normalization in VSTestCLIRunSettings on Unix by @​nohwnd in [fix] Fix backslash normalization in VSTestCLIRunSettings on Unix microsoft/vstest#15795
• Docs: fix typo explicitely -> explicitly by @​vaibhav8a in docs: fix typo explicitely -> explicitly microsoft/vstest#16397
• Copy acceptance test diagnostic logs into the test results directory by @​nohwnd in Copy acceptance test diagnostic logs into the test results directory microsoft/vstest#16403

New Contributors

• @​vaibhav8a made their first contribution in docs: fix typo explicitely -> explicitly microsoft/vstest#16397

Full Changelog: microsoft/vstest@v18.10.1...v18.11.0

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Updated xunit.runner.visualstudio from 4.0.0 to 4.0.1.

Release notes

Sourced from xunit.runner.visualstudio's releases.

4.0.1

Release notes: https://xunit.net/releases/visualstudio/4.0.1

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