web-feature: Bulk memory operations (WebAssembly)

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Bulk memory operations, such as copy and init, mirror the efficiency of native memcpy and memmove operations.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

Chrome Browser

Android

75

Safari Browser

iOS

15.1

Notes

Support data provided by: BCD logo

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This feature was last updated on November 15, 2025.