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> After further investigation, we found that this bug has already existed at least since macOS 14.5 Sonoma

Isn't this an inherent risk when attempting to do network stuff in userspace? You're at a very high level so hoping that lower level things comply seems risky if DNS encryption is critical to your use case.

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Apple removed support for kernel extensions, and instead added a bunch of APIs that allow to do network filtering etc in user space. Unfortunately, some of their networking code just bypasses those network filter extensions (probably because of bugs) -- this is not the first time the developers of Little Snitch publicized a bug like this.

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