v17.9.0

What's Changed

• Remove dependency on Nuget.Frameworks by @nohwnd in #4693
• Add platform guard by @dotMorten in #4737
• Remove javascript in HtmlLogger by @daveMueller in #4744
• Fix CPU is consumed by polling frequently when there is no subscriber by @nohwnd in #4735
• Create a proper MSBuild ToolTask based VSTestTask by @mcartoixa in #2702
• Update SDK, copy logger by @nohwnd in #4755
• Fix staircase in logger by @nohwnd in #4756
• Update dump client to latest by @nohwnd in #4724
• [rel/17.9] Disable testhost prestart by @nohwnd in #4836

New Contributors

• @jithu7432 made their first contribution in #4698
• @mcartoixa made their first contribution in #2702

Full Changelog: v17.8.0...v17.9.0