Windows 11の新しいスタートメニューがCanaryビルドに登場！ Build 27965の注目ポイントはこちら

2025年10月9日

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Microsoftは10月8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 27965」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 27965の新機能

Build 27965では、これまでDev/Betaチャンネルで試されていた新しいスタートメニューがついに導入されました。

新スタートメニューの主な特徴は次の通りです:

スクロール可能な「すべてのアプリ」ビュー
トップレベルに「すべて」が表示され、アプリへのアクセスがよりスムーズに。「カテゴリビュー」と「グリッドビュー」という2つの表示方法が選択可能。
- カテゴリビュー: アプリが自動的にカテゴリ分けされ、よく使うアプリが上位に表示される。
- グリッドビュー: アルファベット順に並び、横方向のスペースを活用して視認性を向上。
画面サイズに応じたレスポンシブデザイン
大画面では最大8列のピン留めアプリ、6件のおすすめ、4列のカテゴリが表示され、より多くの情報に一目でアクセス可能。
おすすめセクションのカスタマイズ
設定から「最近追加されたアプリ」や「閲覧履歴に基づくおすすめ」などをオフにすることで、表示領域をアプリ中心に最適化できる。
Phone Linkとの統合強化
スタートメニューからモバイルデバイスのコンテンツを展開・折りたたみできる新ボタンが追加され、Android/iOSとの連携がさらに快適に。

その他次のような変更も行われています。

.NET Framework 3.5の扱い変更
今後はWindowsの「オンデマンド機能」ではなく、スタンドアロンインストーラーからの導入が必要に。レガシーアプリ利用者は注意が必要。
新しいコマンドラインエディタ「Edit」
Terminal上で edit ファイル名 と入力するだけで、軽快にファイル編集が可能。GitHubでオープンソースとして公開中。
タスクバーとシステムトレイの不具合修正
自動非表示の問題や、動画再生時の色異常などが改善。

リリースノートは以下の通りです。

What’s new in Build 27965

Introducing the new Start menu for Windows 11

Easily launch all your apps with scrollable Start menu

We’re making it easier for you to launch your apps with our updated, scrollable Start menu. With “All” now on the top-level, apps are easily accessible without having to navigate to a secondary page. In addition, we’re introducing two new views to browse and launch your installed apps in the “All” section: category and grid view.

The new default Category view automatically groups your apps by category for quick access to your most used categories and apps. So, if your most used apps are Outlook and Solitaire, you can expect those apps to bubble up to the top in their respective categories. Categories are formed when there are at least 3 apps in each respective category. Otherwise, they will remain in the “Other” category.

Grid view is ordered alphabetically like List view but allows for better scanning of all your installed apps with more horizontal real estate. With new view options to choose from in the “All” section, we’ll remember your last used view so you can reliably launch your apps with the view you prefer most.

Experience a larger Start menu with responsive sections

We’re making better use of your screen real estate by adapting the size of the Start menu based on your screen size. Have a larger-screen device? You can expect to see a larger Start menu, by default, so you can see more of your apps and files. On larger devices, users can expect to see 8 columns of pinned apps, 6 recommendations, and 4 columns of categories in the Start menu. On smaller devices, you’ll see 6 columns of pinned apps, 4 recommendations, and 3 columns of categories.

Sections within Start are also responsive so you can see more or less of your Pinned and Recommended sections. Have only a few pins? The Pinned section will shrink down to a single row and other sections will slide up. If you’d prefer to not see recommendations, then turn off the following toggles in Settings > Personalization > Start: “Show recently added apps,” “Show recommended files in Start…,” “Show websites from your browsing history,” and “Show recommendations for tips…” If there aren’t any recommendations available, the section will collapse so you can see more of your installed apps.

Seamless cross-device integration with Phone Link

Lastly, we’ve updated Start to continue allowing you to take advantage of powerful cross-device features. Now, you can easily expand and collapse mobile device content using the new mobile device button next to the Search box.

This cross-device integration is generally available for connected Android and iOS devices in most markets and will be coming later in 2025 to the European Economic Area.

[We are beginning to roll this out to Windows Insiders in the Canary, so the experience isn’t available to all Insiders just yet as we plan to monitor feedback before pushing it out to everyone.]

FEEDBACK: Please file feedback in Feedback Hub (WIN + F) under Desktop Environment > Start menu.

Changes and Improvements for everyone in the Canary channel

[.NET Framework 3.5]

Starting with Build 27965, .NET Framework 3.5 is no longer a Windows Feature on Demand optional component. We encourage customers relying on the legacy framework to move to modern versions of .NET. Customers running business-critical applications that still depend on .NET Framework 3.5 can access a .NET Framework 3.5 standalone installer located here: https://go.microsoft.com/fwlink/?linkid=2337635. More information about .NET Framework products’ lifecycle can be found here: Lifecycle FAQ – .NET Framework | Microsoft Learn

[Command Line]

Edit, a command line text editor, is now delivered with Windows! You can quickly edit a file while in the Terminal app by typing edit followed by the file name. Edit is open source on GitHub and for a full list of its features, check out its docs.

Fixes

[Taskbar and System Tray]

If you were having issues with the taskbar not autohiding correctly in the previous flight, that should be resolved now.

[Video Playback]

Fixed a recent issue which was causing some videos and games to be unexpectedly red.

Fixed an issue that could affect playback of protected content in certain Blu-ray, DVD, and digital TV apps that used Enhanced Video Rendere r with HDCP enforcement.

Known issues

[File Explorer]

[NEW] We’re working on the fix for an issue in the latest Canary builds causing File Explorer to crash when transferring files to a network drive.

[Settings]

[NEW] Settings may crash when accessing drive information under Settings > System > Storage. This also impacts accessing the drive information from the properties when you right click a drive in File Explorer.

[Lock and login screens]

[NEW] We’re investigating an issue in this build where the media controls may not display on the lock screen.

[Power and Battery]

We’re investigating reports that sleep and shutdown aren’t working correctly for some Insiders after the latest Canary builds.