6.0.12
zeroclaw-labs/zeroclaw6.0.12Oct 8, 2026by emscripten-bot
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AI Summary
A patch release for Emscripten 6.0.12 that deprecates embind functions, fixes `MAXIMUM_MEMORY` handling with `IMPORTED_MEMORY`, and introduces experimental epoll listener APIs.
Key Highlights
- Deprecation of embind functions `getInheritedInstanceCount` and `getLiveInheritedInstances`
- `MAXIMUM_MEMORY` honored with `IMPORTED_MEMORY` even without `ALLOW_MEMORY_GROWTH`
- Added experimental `emscripten_epoll_listener_add` and `emscripten_epoll_listener_remove`
New Features
- Experimental epoll listeners (`emscripten_epoll_listener_add/remove`)
- Improved memory import handling for `MAXIMUM_MEMORY`
Full Release Notes
## What's Changed - The embind library functions `getInheritedInstanceCount` and `getLiveInheritedInstances` were marked as deprecated. (#27899) - `MAXIMUM_MEMORY` is now honored with `IMPORTED_MEMORY` even without `ALLOW_MEMORY_GROWTH`: the module accepts an imported memory of any size up to the maximum, but never grows it. Previously the maximum was ignored, with a warning, and only a memory of exactly `INITIAL_MEMORY` was accepted. (#27859) - Added experimental `emscripten_epoll_listener_add` and `emscripten_epoll_listener_remove` in the new `<emscripten/epoll.h>`. These listeners deliver an epoll set's readiness to a callback, supported on the main thread only. The callback itself is then able to collect the events via a zero-timeout `epoll_wait`, without an `ASYNCIFY`/`JSPI` requirement. (#27547) ## Contributors Thanks to the following contributors: @sbc100 (31) @Benedikt-Brunner (2) @guybedford (2) @JosepMariaBlasco (2) @tomayac (2) @brendandahl (1) @hoodmane (1) @JulesPatmanidis (1) @typedrat (1) ## New Contributors * @Benedikt-Brunner made their first contribution in https://github.com/emscripten-core/emscripten/pull/27861 * @JosepMariaBlasco made their first contribution in https://github.com/emscripten-core/emscripten/pull/27890 **Full Changelog**: https://github.com/emscripten-core/emscripten/compare/6.0.11...6.0.12
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