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A crazy thought

A crazy thought

Posted Jan 21, 2026 17:35 UTC (Wed) by notriddle (subscriber, #130608)
In reply to: A crazy thought by Cyberax
Parent article: Task-level io_uring restrictions

It’s probably worth pointing out that the features you’re talking about are less than a year old. https://webassembly.org/news/2025-09-17-wasm-3.0/

Not necessarily a problem, but it does mean that the idea of wasm being “battle-tested” is wrong. The features you think they should rely on are new.


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A crazy thought

Posted Jan 21, 2026 18:41 UTC (Wed) by Cyberax (✭ supporter ✭, #52523) [Link]

The typed references are new, but even the first version of WASM had something similar: https://www.w3.org/TR/2019/REC-wasm-core-1-20191205/#exte...

External types were represented as tables and functions with similar limitations, they were treated as opaque objects without any ways to get to their exact binary representation (never mind modify them).


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