6.0.9
tt-a1i/archify6.0.9Sep 1, 2026by emscripten-bot
Upgrading?
AI Summary
WASM_BINDGEN is marked as experimental, and streaming cache paths were optimized to use WebAssembly.instantiateStreaming for better download/compile overlap.
Key Highlights
- WASM_BINDGEN setting marked as experimental with a warning.
- CROSS_ORIGIN_STORAGE cache paths now use WebAssembly.instantiateStreaming.
- Improved performance for cross-origin storage caching.
New Features
- Optimized streaming cache paths using Blob.stream() and tee().
Full Release Notes
## What's Changed - The `WASM_BINDGEN` setting is now marked experimental, and enabling it produces a compiler diagnostic warning, since the integration is still evolving and subject to change. (#27616) - The `-sCROSS_ORIGIN_STORAGE` cache-hit and cache-miss paths now use `WebAssembly.instantiateStreaming()` (via `Blob.stream()` and a `tee()`'d network body respectively), so enabling the flag no longer loses the download/compile overlap of the standard streaming path. (#27609) ## Contributors Thanks to the following contributors: @sbc100 (17) @brendandahl (3) @guybedford (3) @tomayac (2) @dschuff (1) **Full Changelog**: https://github.com/emscripten-core/emscripten/compare/6.0.8...6.0.9
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