Windows 11のプレビューアップデートKB5008353が公開 - ファイルエクスプローラーの速度が顕著に改善

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Microsoftは1月25日(現地時間)、Windows 11用の累積アップデートKB5008353を公開しました。

オプション扱いの更新プログラム(プレビュー版)で、USN(Update Sequence Number)ジャーナルを有効にしたときに発生するパフォーマンス低下の問題を含め、多数の不具合が修正されています。SSDのパフォーマンスが低下する問題は12月から報告されていましたが、KB5008353適用後にこれが改善され、ファイルエクスプローラーのレスポンスが著しく改善しているとgHacksは指摘しています。

Windows Updateの「更新プログラムのチェック」を利用するか、Microsoft Update Catalogからファイルをダウンロードすることで、手動でインストールすることができます

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January 25, 2022—KB5008353 (OS Build 22000.469) Preview

Windows 11用の更新プログラムKB5008353では、ハードウェアアクセラレーションされたBluetoothオーディオをサポートする一部のデバイスで、オーディオサービスが応答しなくなる問題の修正や、アプリが起動していない時に、タスクバー上で、アプリのアイコンが実行されているかのようにアクティブに表示される問題の修正、タスクバーのボリュームアイコンが誤ってミュートと表示される問題の修正などが行われています。

ハイライト:

  • Updates an issue that causes the audio service to stop responding on some devices that support hardware-accelerated Bluetooth audio.

  • Updates an issue that affects icons for apps when the apps are not running. On the taskbar, these icons might display as active as if the apps are running.

  • Adds a new Your Microsoft Account page to the Accounts category in Windows Settings for Home and Professional editions.

  • Updates an issue that incorrectly shows the volume icon in the taskbar as muted.

  • Updates an issue that causes a device to stop working when it’s connected to multiple displays.

  • Updates an issue that affects the auto-hide feature of the taskbar. The taskbar might not reliably appear when you hover over the primary or secondary display.

  • Updates an issue that might prevent icons from appearing on the taskbar of a secondary display.

  • Improves auto brightness to provide a better response under low light conditions on all the supported systems.

  • Updates daylight savings time to start in February 2022 instead of March 2022 in Jordan.

  • Adds the HelpWith feature, which uses Microsoft Bing technologies to suggest Help topics that are relevant for each Settings page. 

  • Updates an issue that displays outdated battery percentages for connected Bluetooth devices on the Bluetooth and other devices page in Settings.

  • Updates a known issue that might prevent some image editing programs from rendering colors correctly on certain high dynamic range (HDR) displays. This frequently affects white colors that might display in bright yellow or other colors.

改良と修正:

  • Improves the reliability of application installations on ARM64 devices.

  • Updates daylight savings time to start in February 2022 instead of March 2022 in Jordan.

  • Addresses an issue that causes ARM64 devices to stop responding when they hibernate or resume from hibernation.

  • Addresses an issue that affects predictive pre-rendering in Microsoft Edge Internet Explorer mode.

  • Addresses an issue that sometime prevents you from entering strings in the Input Method Editor (IME).

  • Addresses an issue that causes the audio service to stop responding on some devices that support hardware-accelerated Bluetooth audio.

  • Addresses an issue in which the text that informs a customer about the Windows update progress is incorrect for Japanese.

  • Addresses an issue that affects icons for apps when the apps are not running. On the taskbar, these icons might display as active as if the apps are running.

  • Addresses an issue that might cause VPN profiles to disappear. This issue occurs when you use Microsoft Intune or a third-party mobile device management (MDM) tool to deploy VPN profiles on Windows 11 (original release).

  • Addresses an issue that affects applications that are written to only integrate with Azure Active Directory (AAD). These applications will not work on machines that are joined to Active Directory Federation Services (ADFS). 

  • Addresses an issue that might cause the Get-TPM PowerShell command to fail when it attempts to report Trusted Platform Module (TPM) information. The command fails with the error, “0x80090011 Microsoft.Tpm.Commands.TpmWmiException,Microsoft.Tpm.Commands.GetTpmCommand”.

  • Addresses an issue that causes a remote desktop protocol (RDP) session to disconnect or the screen to be blank for Server Core. This issue occurs when you install the AppCompat feature.

  • Addresses an issue that affects windows.system.profile.retailinfo.dll.

  • Addresses some issues that affect File Explorer’s performance when you browse for files and select files.

  • Adds a new Your Microsoft Account page to the Accounts category in Windows Settings for Home and Professional editions.

  • Addresses an issue that incorrectly shows the volume icon in the taskbar as muted.

  • Addresses a reliability issue that causes File Explorer and desktop context menus to stop working.

  • Addresses an issue that fails to pass the Shift KeyUpevent to an application when you use the Korean IME.

  • Adds the HelpWith feature, which uses Microsoft Bing technologies to suggest Help topics that are relevant for each Settings page. 

  • Addresses an issue that prevents the touch keyboard from appearing on the lock screen when a device has a Microsoft account (MSA).

  • Addresses an issue that affects the loading of badging information on the taskbar, which sometimes causes a device to stop working.

  • Addresses an issue that prevents some options from appearing on the Win+X menu.

  • Addresses an issue that causes a device to stop working when it’s connected to multiple displays.

  • Addresses an issue that affects the auto-hide feature of the taskbar. The taskbar might not reliably appear when you hover over the primary or secondary display.

  • Addresses an issue that sometimes prevents you from using the Chinese Simplified IME.

  • Addresses an issue that might prevent icons from appearing on the taskbar of a secondary display.

  • Addresses an issue that fails to install certain printer companion applications when the printer device driver is installing.

  • Addresses an issue that displays outdated battery percentages for connected Bluetooth devices on the Bluetooth and other devices page in Settings.

  • Addresses an issue that prevents IP cameras from connecting and streaming to certain DirectShow (DShow) applications.

  • Improves the auto brightness algorithm to provide a better response under low light conditions on all the supported systems.

  • Addresses an issue that causes lsass.exe to stop working and the device restarts. This issue occurs when you query Windows NT Directory Services (NTDS) counters after the NTDS service has stopped.

  • Addresses an issue that causes a deadlock in the WebDav redirector. This issue occurs when you attempt to read a file from the local TfsStore, which causes the system to stop responding.

  • Addresses a performance regression issue that occurs when you enable the update sequence number (USN) journal.

  • Addresses an issue that fails to apply the Group Policy Object (GPO) “Do not allow compression on all NTFS Volume” in some cases.

  • Addresses an issue that prevents Robocopy from retrying the file copy process.

  • Addresses a known issue that might prevent some image editing programs from rendering colors correctly on certain high dynamic range (HDR) displays. This frequently affects white colors that might display in bright yellow or other colors.

  • Addresses an issue that causes Windows to stop working and generates the error, “IRQL_NOT_LESS_OR_EQUAL”.

  • Addresses a memory leak that occurs when you call WinVerifyTrust(). This issue occurs if verification fails for the first signature of a file that has multiple signatures.

  • Adds an audit event to Active Directory domain controllers that identifies clients that are not compliant with RFC 4456. For more information, see KB5005408: Smart card authentication might cause print and scan failures.

更新プログラムには以下の1件の既知の不具合が存在します。

対象 症状 回避策
すべてのユーザー Microsoft Outlookのデスクトップアプリの検索結果に、最近のメールが表示されないことがある。この問題はPSTファイルまたはOSTファイルにローカルに保存されている電子メールに関連している。 Windowsデスクトップ検索を無効にし、Microsoft Outlookに内蔵されている検索を使用することで軽減できる。手順はこちら

Windows Updateの他、Microsoft Update Catalogを利用してインストールすることができます。

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