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64217 – Microsoft Edge v.83: Disallow synchronous XmlHttpRequest in page dismissal (archived)

Microsoft Edge

check before: 2020-05-14

Product:

Microsoft Edge

Platform:

Developer, mobile, Online, US Instances, Web, Windows Desktop, World tenant

Status:

Launched

Change type:

Links:

Details:

Sending of synchronous XmlHttpRequests during unload of a webpage will be blocked. This change improves browser performance and reliability, but may impact web applications that have not yet been updated to use more modern web APIs, including sendBeacon and fetch. The Group Policy to disable this change and permit synchronous XHR during page dismissal will be available until Microsoft Edge 88.

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
Stable Channel

Created:
2020-05-20

updated:
2020-12-12

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Last updated 1 year ago

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