Microsoftは本日、Windows 10の機能アップデート「Windows 10 May 2020 Update(Version 2004)」の一般提供を開始しました。Windows 10 Version 2004はInsider Programで15ヶ月にわたりテストが行われてきた準備期間の長いバージョンですが、残念ながら不具合が皆無とは言えないようです。
現段階でWindows 10 Version 2004に存在する既知の不具合がまとめられています(Neowin)。
- Difficulty connecting to more than one Bluetooth device
Windows 10 devices with certain Realtek drivers might be unable to connect to more than one Bluetooth device.- Errors or issues during or after updating devices with Conexant ISST audio drivers
Devices with affected Conexant ISST audio drivers might receive an error or have issues with Windows 10, version 2004.- Errors or issues during or after updating devices with certain Conexant audio drivers
Devices with affected Conexant or Synaptics audio drivers might receive a stop error with a blue screen.- Issues using ImeMode property to control IME mode for individual text entry fields
Some IMEs for certain langauges might have issues using the ImeMode property with certain apps.- Variable refresh rate not working as expected on devices with Intel iGPU
Enabling VRR on affected devices will not enable the VRR for most games, especially games using Direct X 9.- Stop error when plugging or unplugging a Thunderbolt dock
Devices using Thunderbolt docks may receive a stop error when plugging in or unplugging the dock- Errors or unexpected restarts for some devices using Always On, Always Connected
Devices with more than one Always On, Always Connected capable network adapter might have issues.- No mouse input with apps and games using GameInput Redistributable
Affected apps and games using both GameInput Redistributable and Windows 10, version 2004 might lose mouse input.- Issues updating or starting up devices when aksfridge.sys or aksdf.sys is present
Devices with apps or drivers using certain versions of aksfridge.sys or aksdf.sys might have issues updating or starting- Issue with older drivers for Nvidia display adapters (GPU)
You might have issues if you are using an Nvidia display adapter (GPU) and drivers with a version below 358.00.
マウスやキーボードなど複数のデバイスが接続されている場合に発生するBluetooth接続の問題や、古いNvidia GPUを使用している場合に発生する問題など、要注意の不具合も含まれています。
不具合のステータスはすべて「調査中」で修正時期は不明です。また不具合によっては、アップデートの提供がブロックされ、問題が解決されるまで機能アップデートの提供が停止されています。