[Flight] Never parse "then" functions #35289
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Comparing: f99241b...69c9cb7 Critical size changesIncludes critical production bundles, as well as any change greater than 2%:
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gnoff
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Dec 5, 2025
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AFAIK this is not needed to prevent any exploit but we don't really need this. We allow functions on pretty much any other object anyway but never on the "then" property since those would be serialized as Promises by the client anyway. DiffTrain build for [3016ff8](facebook@3016ff8)
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Dec 7, 2025
AFAIK this is not needed to prevent any exploit but we don't really need this. We allow functions on pretty much any other object anyway but never on the "then" property since those would be serialized as Promises by the client anyway. DiffTrain build for [3016ff8](facebook@3016ff8)
This was referenced Dec 11, 2025
ch4og
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Dec 23, 2025
This PR contains the following updates: | Package | Change | Age | Confidence | |---|---|---|---| | [react](https://react.dev/) ([source](https://github.com/facebook/react/tree/HEAD/packages/react)) | [`19.2.1` -> `19.2.3`](https://renovatebot.com/diffs/npm/react/19.2.1/19.2.3) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | | [react-dom](https://react.dev/) ([source](https://github.com/facebook/react/tree/HEAD/packages/react-dom)) | [`19.2.1` -> `19.2.3`](https://renovatebot.com/diffs/npm/react-dom/19.2.1/19.2.3) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>facebook/react (react)</summary> ### [`v19.2.3`](https://github.com/facebook/react/releases/tag/v19.2.3): 19.2.3 (December 11th, 2025) [Compare Source](facebook/react@v19.2.2...v19.2.3) ##### React Server Components - Add extra loop protection to React Server Functions ([@​sebmarkbage](https://github.com/sebmarkbage) [#​35351](facebook/react#35351)) ### [`v19.2.2`](https://github.com/facebook/react/releases/tag/v19.2.2): 19.2.2 (December 11th, 2025) [Compare Source](facebook/react@v19.2.1...v19.2.2) ##### React Server Components - Move `react-server-dom-webpack/*.unbundled` to private `react-server-dom-unbundled` ([@​eps1lon](https://github.com/eps1lon) [#​35290](facebook/react#35290)) - Patch Promise cycles and toString on Server Functions ([@​sebmarkbage](https://github.com/sebmarkbage), [@​unstubbable](https://github.com/unstubbable) [#​35289](facebook/react#35289), [#​35345](facebook/react#35345)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about these updates again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xNC4yIiwidXBkYXRlZEluVmVyIjoiNDIuMTQuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==--> Reviewed-on: https://git.csmpro.ru/csmpro/mapban/pulls/75 Co-authored-by: Renovate Bot <[email protected]> Co-committed-by: Renovate Bot <[email protected]>
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AFAIK this is not needed to prevent any exploit but we don't really need this. We allow functions on pretty much any other object anyway but never on the "then" property since those would be serialized as Promises by the client anyway.