Del via

UnthrottledNestedTimeoutEnabled

JavaScript setTimeout will not be clamped until a higher nesting threshold is set (deprecated)

DEPRECATED: This policy is deprecated. It is currently supported but will become obsolete in a future release.

Supported versions

  • Windows: ≥ 105
  • macOS: ≥ 105
  • Android: ≥ 105
  • iOS: Not supported

Description

This policy is deprecated because it's a temporary policy for web standards compliance. It doesn't work in Microsoft Edge version 107 onward. If you enable this policy, the JavaScript setTimeout and setInterval, with an interval smaller than 4 ms, aren't clamped. This improves short horizon performance; however, websites abusing the API still have their setTimeout usages clamped. If you disable or don't configure this policy, the JavaScript setTimeout and setInterval, with an interval smaller than 4 ms, are clamped.

This is a web standards compliancy feature that changes task ordering on a webpage, leading to unexpected behavior on sites that are dependent on a certain ordering. It also affects sites with a lot of usage of a timeout of 0 ms for setTimeout, for example, increasing CPU load.

Supported features

  • Can be mandatory: Yes
  • Can be recommended: No
  • Dynamic Policy Refresh: No - Requires browser restart
  • Per Profile: Yes
  • Applies to a profile that is signed in with a Microsoft account: No

Data type

  • Boolean

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: UnthrottledNestedTimeoutEnabled
  • GP name: JavaScript setTimeout will not be clamped until a higher nesting threshold is set (deprecated)
  • GP path (Mandatory): Administrative Templates/Microsoft Edge
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

Enabled

Registry settings

  • Path (Mandatory): SOFTWARE\Policies\Microsoft\Edge
  • Path (Recommended): N/A
  • Value name: UnthrottledNestedTimeoutEnabled
  • Value type: REG_DWORD

Example registry value

0x00000001

Mac information and settings

  • Preference Key name: UnthrottledNestedTimeoutEnabled
  • Example value:
<true/>

Android information and settings

  • Preference Key name: UnthrottledNestedTimeoutEnabled
  • Example value:
true

See also

  • Last updated on