I ran the .vsix for the newest update. It attempted to install to both my VS 2022 Enterprise and VS 2022 Preview instances, and failed at both.
The log shows entries like this at the bottom. It appears that it is not expecting the newest Windows 11 OS version, and perhaps also having problems with VS versions:
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\Microsoft\Web Tools\Publish\VSPropertyPage_Reg.pkgdef'.
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\Microsoft\ADL Tools\2.6.5000.0\Microsoft.Cosmos.ScopeStudio.SqlipAzureNode.15.0.pkgdef'.
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\Microsoft\ADL Tools\2.6.5000.0\Microsoft.WindowsAzure.HDIStudio.HDIAzureNode.15.0.pkgdef'.
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\Microsoft\ADL Tools\2.6.5000.0\Microsoft.Cosmos.ScopeStudio.VsExtension.DatabaseProject.pkgdef'.
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\Microsoft\ADL Tools\2.6.5000.0\Microsoft.WindowsAzure.StreamAnalyticsAzureNode.15.0.pkgdef'.
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\Microsoft\SQLEditor\Vsix\Microsoft.SqlServer.Management.SqlEditorEditorExtensions.pkgdef'.
07-Mar-22 12:37:35 - Could not find file 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\COMMONEXTENSIONS\Microsoft\FSharp\FSharp.Compiler.Server.Shared.pkgdef'.
07-Mar-22 12:37:36 - Beginning to install extension to Visual Studio Enterprise 2022 Preview...
07-Mar-22 12:37:36 - Upgrading 'PHP Tools for Visual Studio 2022', version 1.61.15241 to version 1.62.15410.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\PHP.VS.pkgdef'.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\Phalanger.LanguageService.pkgdef'.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\Devsense.VisualStudio.PHP.WebApplication.pkgdef'.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\PHP.Publish.pkgdef'.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\Devsense.VisualStudio.Feedback.pkgdef'.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\PHP.VisualStudio.TestAdapter.pkgdef'.
07-Mar-22 12:37:36 - Could not find a part of the path 'C:\Program Files\Microsoft Visual Studio\2022\Preview\Common7\IDE\Extensions\fzuvw2x5.p0u\Devsense.VisualStudio.Composer.pkgdef'.
07-Mar-22 12:37:39 - Skipping non-applicable package Microsoft.VisualStudio.NuGet.PowershellBindingRedirect: The current OS Version '6.2.9200.0' is not in the supported version range '[6.1,6.2)'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.Windows.UniversalCRT.Msu.7: The current OS Version '6.2.9200.0' is not in the supported version range '[6.1,6.2)'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.Windows.UniversalCRT.Msu.81: The current OS Version '6.2.9200.0' is not in the supported version range '[6.3,6.4)'.
07-Mar-22 12:37:40 - Skipping non-applicable package sqllocaldb2019: The current OS Version '6.2.9200.0' is not in the supported version range '6.3'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.Net.4.8.KB5003306: The current OS Version '6.2.9200.0' is not in the supported version range '[10.0.18362,10.0.18363]'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.Net.4.8.KB5003304: The current OS Version '6.2.9200.0' is not in the supported version range '[10.0.19041,10.0.19044]'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.Net.4.8.KB5003793: The current OS Version '6.2.9200.0' is not in the supported version range '[10.0.20279,10.0.20348]'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.Net.4.8.KB5003792: The current OS Version '6.2.9200.0' is not in the supported version range '10.0.21290'.
07-Mar-22 12:37:40 - Skipping non-applicable package Microsoft.DiagnosticsHub.KB2882822.Win7: The current OS Version '6.2.9200.0' is not in the supported version range '[6.1,6.2)'.
07-Mar-22 12:37:41 - Skipping non-applicable package Microsoft.VisualStudio.TestTools.ProjFS.WindowsFeature: The current OS Version '6.2.9200.0' is not in the supported version range '10.0.17763'.
07-Mar-22 12:37:41 - Skipping non-applicable package Microsoft.Windows.D3DCompiler.Msu.Win7: The current OS Version '6.2.9200.0' is not in the supported version range '[6.1,6.2)'.
07-Mar-22 12:37:41 - Skipping non-applicable package Microsoft.Ancm.IIS.Msi: Required conditions are not satisfied: IISCoreWebEngineInstalledx64 And IISW3SvcInstalledx64
07-Mar-22 12:37:41 - Skipping non-applicable package Microsoft.Ancmv2.IIS.Msi: Required conditions are not satisfied: IISCoreWebEngineInstalledx64 And IISW3SvcInstalledx64
07-Mar-22 12:37:42 - Skipping non-applicable package Microsoft.Azure.PowerShell: Required conditions are not satisfied: Not Powershell5
07-Mar-22 12:37:42 - Skipping non-applicable package Microsoft.VisualStudio.Graphics.EnableTools: The current OS Version '6.2.9200.0' is not in the supported version range '10.0.10240'.
07-Mar-22 12:37:43 - Skipping non-applicable package Microsoft.VisualStudio.OfficeDeveloperTools.WindowsIdentityFoundation.Msu: The current OS Version '6.2.9200.0' is not in the supported version range '(,6.2)'.
07-Mar-22 12:37:43 - Skipping non-applicable package Linux.GCC.arm_none_eabi: The current OS Version '6.2.9200.0' is not in the supported version range '10.0'.
07-Mar-22 12:37:43 - Windows Installer found the package 'Microsoft.NetCore.TargetingPack.5.0.5.0.0,version=17.2.32210.237,chip=x64' superseded but corresponding compatible package information was not found. Attempts to repair will be skipped and that to uninstall may leave the cache behind.
07-Mar-22 12:38:24 - Install Error : System.IO.DirectoryNotFoundException: 'C:\PROGRAM FILES\MICROSOFT VISUAL STUDIO\2022\PREVIEW\COMMON7\IDE\EXTENSIONS\NPZOA4SK.QLF' does not correspond to any known installation root location.
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.InstalledExtensionLocationManager.GetLocationFromPath(String installPath) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\InstalledExtensionLocationManager.cs:line 108
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.ExtensionSettingsCache.ProcessExtension(IInstalledExtension extension, CacheMode updateMode) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\ExtensionSettingsCache.cs:line 526
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.ExtensionSettingsCache.ProcessAndSaveExtension(IInstalledExtension extension, CacheMode updateMode) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\ExtensionSettingsCache.cs:line 512
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.ExtensionSettingsCache.AddOrUpdate(IInstalledExtension extension, CacheMode updateMode) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\ExtensionSettingsCache.cs:line 103
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.ExtensionSettingsCache.AddOrUpdate(IInstalledExtension extension, CacheMode updateMode) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\ExtensionSettingsCache.cs:line 91
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.InstalledExtensionSettingsList.SetEnabledStateInternal(IInstalledExtension extension, EnabledState state, CacheMode updateMode) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\InstalledExtensionSettingsList.cs:line 481
   at Microsoft.VisualStudio.ExtensionManager.Impl.Settings.InstalledExtensionSettingsList.SetEnabledState(IInstalledExtension extension, EnabledState state, CacheMode updateMode) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\Settings\InstalledExtensionSettingsList.cs:line 434
   at Microsoft.VisualStudio.ExtensionManager.StateManagerModule.DisableInternal(IInstalledExtension extension, Boolean recursive, Boolean isPermanentDisabled) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\EngineModules\StateManagerModule.cs:line 100
   at Microsoft.VisualStudio.ExtensionManager.UninstallModule.UninstallInternal(IInstalledExtension extension, Boolean forceDelete, Version targetedVSVersion, InstallFlags installFlags, Boolean downgrade) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\EngineModules\UninstallModule.cs:line 526
   at Microsoft.VisualStudio.ExtensionManager.InstallModule.CommitInstalledAndUninstalledExtensions(IEnumerable`1 installedExtensions, IEnumerable`1 uninstalledExtensions, IEnumerable`1 packComponentChanges, Version targetedVSVersion, InstallFlags installFlags) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\EngineModules\InstallModule.cs:line 481
   at Microsoft.VisualStudio.ExtensionManager.InstallModule.BeginInstall(IInstallableExtension installableExtension, InstallFlags installFlags, AsyncOperation asyncOp, Version targetedVsVersion) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\EngineModules\InstallModule.cs:line 403
   at Microsoft.VisualStudio.ExtensionManager.InstallModule.InstallWorker(IInstallableExtension extension, InstallFlags installFlags, AsyncOperation asyncOp) in D:\a\_work\1\s\src\product\extensionManager\Microsoft.VisualStudio.ExtensionEngine\Impl\EngineModules\InstallModule.cs:line 894