Windows 11 22H2のプレビューアップデートKB5018496が公開 - 右クリックでタスクマネージャーが起動可能に

Microsoftは10月25日(現地時間)、Windows 11 Version 22H2用の累積アップデート「KB5018496」を公開しました(Neowin)。

オプション扱いの"C"更新プログラム(プレビュー版)で、品質の改良や不具合の修正が含まれています。この更新プログラムに含まれている変更の内容は、来月の月例更新プログラムに含まれて自動的に提供されます。

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して、手動でインストールすることができます。

October 25, 2022—KB5018496 (OS Build 22621.755) Preview

Windows 11 22H2用の更新プログラムKB5018496では、 タスクバーを右クリックしたとき表示されるコンテキストメニューに、「タスクマネージャー」が追加されています。この変更は、今後数週間のうちにロールアウトされる予定です。また、Microsoftアカウント(MSA)を使用したバックアップ機能の強化や、その他多数の変更が行われています。

リリースノートは以下の通りです。

ハイライト:

• 
  New!
  It enhances search visual treatments on the taskbar to improve discoverability. This is available to a small audience initially and deploys more broadly in the months that follow. Some devices might notice different visual treatments as we gather feedback. To learn more about why you might be seeing these changes, see Search for anything, anywhere.

• 
  New!
  It enhances the backup experience when using your Microsoft Account (MSA). Some devices might notice visual treatments for this enhancement. This is available to a small audience initially and deploys more broadly in the months that follow.

• 
  New!
  It adds improvements to the Microsoft Account experience in Settings. For instance, you can manage your Microsoft OneDrive subscription and related storage alerts.

• 
  New!
  It adds Task Manager to the context menu when you right-click the taskbar. This feature rolls out in the coming weeks.

• It addresses an issue that affects Microsoft Edge when it is in IE Mode. The titles of pop-up windows and tabs are wrong.

• It addresses an issue that might cause vertical and horizontal line artifacts to appear on the screen.

• It addresses an issue in that stops the credential UI from displaying in IE mode when you use Microsoft Edge.

• It addresses an issue that might fail to sync the audio when you record game play using the Xbox Game Bar.

• It addresses an issue that affects File Explorer. It is less dependable when you browse for Microsoft OneDrive folders.

• It addresses an issue that affects the Start menu. It stops working when you use keyboard commands to move pinned items to a folder at the end of a list.

• It stops the start of daylight saving time in Jordan at the end of October 2022. The Jordan time zone will permanently shift to the UTC + 3 time zone.

改良と修正:

• 
  New!
  It adds improvements to the Microsoft Account experience in Settings. For instance, you can manage your Microsoft OneDrive subscription and related storage alerts.

• 
  New!
  It enhances search visual treatments on the taskbar to improve discoverability. This is available to a small audience initially and deploys more broadly in the months that follow. Some devices might notice different visual treatments as we gather feedback. To learn more about why you might be seeing these changes, see Search for anything, anywhere.

• 
  New!
  It enhances the backup experience when using your Microsoft Account (MSA). Some devices might notice visual treatments for this enhancement. This is available to a small audience initially and deploys more broadly in the months that follow.

• 
  New!
  It adds Task Manager to the context menu when you right-click the taskbar. This feature rolls out in the coming weeks.

• It enables the ms-appinstaller Uniform Resource Identifier (URI) to work for the DesktopAppInstaller.

• It stops the start of daylight saving time in Jordan at the end of October 2022. The Jordan time zone will permanently shift to the UTC + 3 time zone.

• It addresses an issue that affects Distributed Component Object Model (DCOM) authentication hardening. It automatically raises the authentication level for all non-anonymous activation requests from DCOM clients to RPC_C_AUTHN_LEVEL_PKT_INTEGRITY. This occurs if the authentication level is below Packet Integrity.

• It addresses an issue that affects the Windows Search service. Indexing progress is slow when you use the service.

• It addresses an issue that affects cached credentials for security keys and Fast Identity Online 2.0 (FIDO2) authentications. On hybrid domain-joined devices, the system removes these cached credentials.

• It addresses an issue that might affect some types of Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections. These connections might have handshake failures. For developers, the affected connections are likely to send multiple frames followed by a partial frame with a size of less than 5 bytes within a single input buffer. If the connection fails, your app will receive the error, “SEC_E_ILLEGAL_MESSAGE”.

• It addresses an issue that affects the Microsoft Azure Active Directory (AAD) Application Proxy connector. It cannot retrieve a Kerberos ticket on behalf of the user. The error message is, “The handle specified is invalid (0x80090301).”

• It addresses an issue that affects certificate mapping. When it fails, lsass.exe might stop working in schannel.dll.

• It addresses an issue that affects Microsoft Edge when it is in IE Mode. The titles of pop-up windows and tabs are wrong.

• It addresses an issue that affects Microsoft Edge IE mode. It stops you from opening webpages. This occurs when you enable Windows Defender Application Guard (WDAG) and you do not configure Network Isolation policies.

• It addresses an issue that affects title bars when you use third-party tools to customize them. The title bars did not render. This update ensures that title bars render; however, we cannot guarantee all text customizations will work as before.

• It addresses an issue that might cause vertical and horizontal line artifacts to appear on the screen.

• It addresses an issue that affects input method editors (IME) from Microsoft and third parties. They stop working when you close the IME window. This occurs if the IME uses Windows Text Services Framework (TSF) 1.0.

• It addresses an issue that might fail to sync the audio when you record game play using the Xbox Game Bar.

• It updates the Windows kernel vulnerable driver blocklist that is in the DriverSiPolicy.p7b file. This update also ensures that the blocklist is the same across Windows 10 and Windows 11. For more information, see KB5020779.

• It extends original equipment manufacturer (OEM) control of Hypervisor-protected Code Integrity (HVCI) enforcement for targeted hardware configurations.

• It addresses an issue that affects File Explorer. It is less dependable when you browse for Microsoft OneDrive folders.

• It addresses an issue that affects the button style BS_PUSHLIKE. Buttons that have this style are difficult to identify against a dark background.

• It addresses an issue in that stops the credential UI from displaying in IE mode when you use Microsoft Edge.

• It addresses an issue that affects Server Manager. It might reset the wrong disk when several disks have the same UniqueId. For more information, see KB5018898.

• It addresses an issue that affects the CopyFile function. It returns ERROR_INVALID_HANDLE instead of ERROR_FILE_NOT_FOUND when it is called with an invalid source file.

• It addresses an issue that affects the Start menu. It stops working when you use keyboard commands to move pinned items to a folder at the end of a list.

更新プログラムには以下の2件の既知の不具合が存在します。

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。