300538 2025-10-10 18:00:04 -0700 Add support for Memory64 in WebAssembly 2026-04-28 12:42:45 -0700 1 1 1 Unclassified WebKit WebAssembly WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 300539 1 ccarley2 webkit-unassigned daxpedda orichidsjy webkit-bug-importer oldest_to_newest 2150130 0 ccarley2 2025-10-10 18:00:04 -0700 Spec: https://github.com/WebAssembly/memory64/blob/main/proposals/memory64/Overview.md 2150292 1 ap 2025-10-11 19:04:35 -0700 *** Bug 300537 has been marked as a duplicate of this bug. *** 2152273 2 webkit-bug-importer 2025-10-17 18:00:11 -0700 <rdar://problem/162905096> 2185798 3 orichidsjy 2026-02-28 02:15:37 -0800 Checking here to see if there would be any progress as we gladly see https://bugs.webkit.org/show_bug.cgi?id=277743 has been fixed and landed. Since multiple memory support has been implemented, Memory64 is the only left WASM feature to be supported, and this is the only feature lacking on Webkit to achieve parity with Chromium and Firefox on all Phase 5 standardised WebAssembly features.