Michel Weststrate

The relevant `runId` is captured in the derivations internal local state: https://github.com/mobxjs/mobx/blob/761a8dd4a658180fa5af546a155df994e78496bc/packages/mobx/src/core/derivation.ts#L177. Please note that `_getGlobalState()` is an internal API that you're not supposed to use directly.

Only within our own eco system. What are you trying to achieve? On Thu, Jul 17, 2025, 15:03 Andres Kovalev ***@***.***> wrote: > *andres-kovalev* left a comment (mobxjs/mobx#4570) > >...

You could leverage `https://github.com/mobxjs/mobx-utils?tab=readme-ov-file#frompromise` and store the returned observable somewhere?

> Given that, I'm not sure there's much more to squeeze out of this without changing fundamental assumptions like freezing by default. Freezing was enabled by default as a perf...

Ok I think the current release has soaked long enough and I'm happy to proceed with this one. Note that some documentation updates are required as well, let me know...

Note that in JSON `undefined` doesn't exist, and generally "undefined" fields are signaled by the absence of that field, so in spirit of the JSON spec I think the current...

Sorry I have a little trouble following the full context and setup through multiple messages and without having all the code. Would you mind creating the reproduction in a codesandbox...