Microsoftは7月30日(現地時間)、Windows 11のWindows Insider ProgramのCanaryチャンネル向けの最新ビルド「Windows 11 Insider Preview Build 27913」をリリースしました(Windows Blog)。Canaryチャンネルで公開されるビルドは、将来の機能アップデートで追加される可能性のある、さまざまな新機能が先行して実装されています。プレビューチャンネルの中で最も不安定な可能性があり、提供されるドキュメントも限定的なものとなっています(例えば既知の不具合は掲載されないなど)。Windows Insider Programの更新オプションでCanaryチャンネルを選択し、Windows 11のプレビュー版を使用しているユーザーは、Windows Updateを利用して最新版に更新することができます。Build 27913の新機能Build 27913では、設定画面の検索ボックスを画面の上部中央に移動する変更や、デスクトップの背景に壁紙画像が表示されず黒い画面が表示される問題に対処するため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。Changes and Improvements[General]This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs.[Settings]The search box in Settings will now be located at the top center to deliver a more consistent and better search experience.Fixes[General]Fixed an issue where the Windows Vista boot sound was unexpectedly being used instead of the Windows 11 boot sound.[Desktop background]Did some underlying work to help address issues which could result in the desktop background unexpectedly becoming black rather than displaying the expected wallpaper image. If you continue experiencing issues, please don’t hesitate to report them in the Feedback Hub under Desktop Environment > Background and Wallpaper.[Settings]Fixed an issue in the latest builds which could cause Settings to crash when interacting with the options under Settings > System > Power & Battery.Fixed an underlying issue where some of the apostrophes across text in Settings and settings-related dialogs were not displaying correctly and were showing random characters.[Audio]Fixed an issue which could result in audio not working a few seconds after casting to a TV.[Other]Fixed an issue in the latest builds causing a small number of Insiders to experience repeated bugchecks with KERNEL_SECURITY_CHECK_FAILURE after upgrading. This may occur when connecting to VPN.Fixed an underlying issue which could result in acrylic in certain apps unexpectedly being transparent.Made another fix for the issue causing Group Policy Editor to not display correctly in certain languages (like Chinese), showing large blank areas.Known issues[General][IMPORTANT NOTE FOR COPILOT+ PCs] If you are joining the Canary Channel on a new Copilot+ PC from the Dev Channel, Release Preview Channel or retail, you will lose Windows Hello pin and biometrics to sign into your PC with error 0xd0000225 and error message “Something went wrong, and your PIN isn’t available”. You should be able to re-create your PIN by clicking “Set up my PIN”.[NEW] The progress wheel may show as a rectangle glyph instead of rendering correctly when upgrading to this build.公式ブログには細かな変更内容がリストアップされていますので、インストールする前に確認することをおすすめします。