[whatwg/fetch] Request with credentials included, but only if they are partitioned (Issue #1892)

csharrison created an issue (whatwg/fetch#1892)

### What problem are you trying to solve?

I am trying to use `fetch` (and the Fetch spec more broadly) to send a cross-origin request where I am comfortable if the request has partitioned credentials, but not unpartitioned credentials. Currently I am forced to either a) omit credentials (hampering utility) or b) include credentials (hampering privacy if 3PC are available and used).

### What solutions exist today?

Don't think there are any?

### How would you solve it?

I am not an expert, possibly with a new property to sit alongside `credentials`. Maybe a new `credentials` enum value?

### Anything else?

cc @DCtheTall @johannhof 

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Received on Tuesday, 2 December 2025 21:48:31 UTC