Microsoft has confirmed on its official page for Windows 10 version 2004 that it will expand the update’s availability starting mid-August. It has also claimed to resolve many lingering issues stopping update’s wider release with the update KB4568831 (OS Build 19041.423).

The update KB4568831 (OS Build 19041.423) has been released to public and appears as preview or optional update on the 2004 history page. Microsoft has in fact released KB4568831 (OS Build 19042.423) for Windows 10 20H2 in Beta channel too.

Update KB4568831 (OS Build 19041.423) has resolved two major issues; “Difficulty connecting to more than one Bluetooth device” and “Variable refresh rate not working as expected on devices with Intel iGPU”. Microsoft has also marked a third issue “Issue with older drivers for Nvidia display adapters (GPU)” as resolved.

Resolved issues:

Difficulty connecting to more than one Bluetooth device

Realtek and Microsoft have found incompatibility issues with certain versions of drivers for Realtek Bluetooth radios and Windows 10, version 2004 (the Windows 10 May 2020 Update). Windows 10 devices with affected Realtek Bluetooth radio drivers might be unable to connect or pair with more than one Bluetooth device at a time after updating.
To safeguard your update experience, we have applied a compatibility hold on Windows 10 devices with affected Realtek Bluetooth radio drivers installed from being offered Windows 10, version 2004 or Windows Server, version 2004 until the driver has been updated.
Affected platforms:
  • Client: Windows 10, version 2004
  • Server: Windows Server, version 2004
Resolution: This issue was resolved in KB4568831. The safeguard hold is estimated to be removed in mid-August.
Variable refresh rate not working as expected on devices with Intel iGPU
Intel and Microsoft have found incompatibility issues when using a monitor with Variable refresh rate (VRR) plugged into an Intel integrated graphics processing unit (iGPU) display adapter and Windows 10, version 2004 (the Windows 10 May 2020 Update). Enabling VRR on affected devices will not enable the VRR for games using Direct X 9.
To safeguard your update experience, we have applied a compatibility hold on Windows 10 devices with affected drivers or firmware from being offered Windows 10, version 2004.
Affected platforms:
  • Client: Windows 10, version 2004
Resolution: This issue was resolved in KB4568831. The safeguard hold is estimated to be removed in mid-August.
Issue with older drivers for Nvidia display adapters (GPU)
Nvidia and Microsoft have found incompatibility issues with certain versions of Nvidia display adapter drivers and Windows 10, version 2004 (the Windows 10 May 2020 Update). Windows 10 devices with affected Nvidia display driver versions might receive a stop error with a blue screen or other issues during or after installing the update to Windows 10, version 2004. The affected drivers are any version lower than 358.00.
To safeguard your update experience, we have applied a compatibility hold on Windows 10 devices with affected Nvidia display drivers drivers installed from being offered Windows 10, version 2004 or Windows Server, version 2004 until the driver has been updated.
Affected platforms:
  • Client: Windows 10, version 2004
  • Server: Windows Server, version 2004
Workaround: To mitigate this issue, you will need to check with your device manufacturer (OEM) to see if an updated driver is available and install it.
Next steps: Microsoft is working on a resolution and estimate a solution will be available in mid-August.

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