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mediumEdgedeprecationm365_message_center · Oct 15, 2026
Microsoft Edge: Browser-native XSLT will be disabled by default
Microsoft Edge is deprecating browser-native XSLT, disabling the XSLTProcessor JavaScript API and XML processing instructions that reference XSLT stylesheets by default. This change affects developers who rely on these features.
“Services: Microsoft 365 suite. <p><b>[What and Why:]</b></p><p>Microsoft Edge is deprecating browser-native Extensible Stylesheet Language Transformations (XSLT). Edge will disable the XSLTProcessor JavaScript API and XML processing instructions that reference XSLT stylesheets by default. XML processing instructions …”
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cloud
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