Swift for Wasm October 2026 Updates

Notable changes this month: JavaScriptKit 0.60.0 made Swift-to-JavaScript string bridging faster, and 0.61.0 added opt-in yielding to keep the host responsive; WasmKit 0.4.2 added the multi-memory proposal and single-instruction debugger stepping; uWASI gained custom filesystem backends through useFS; Swift Testing previewed Embedded Swift support, running on WASI. Many thanks to @felipepiovezan, @JDevlieghere, @kateinoigakukun, @krodak, Logan Shire, @sliemeobn, @tomasf, @wfltaylor for contribu...