1583891 - When FPI is enabled, about:debugging does not list Service Workers that have a firstPartyDomain attribute

Status: NEW

(DevTools :: about:debugging, defect, P3)

Description

[Tom Ritter [:tjr]]

reddit.com registers a Service Worker, so from a new profile, go to reddit, and see the service worker in about:serviceworkers and about:debugging. Then enable privacy.firstparty.isolate and go to reddit again. about:serviceworkers will show two; about:debugging only one.

I also noticed that if you get a Service Worker for the same domain in different Containers (User Context Ids) it's not possible to distinguish them on about:debugging.

I tried following the code to where we list SWs different in about:serviceworkers and about:debugging but was not able to find it...

Comment 1

[Release mgmt bot [:suhaib / :marco/ :calixte]]

The priority flag is not set for this bug.
:jdescottes, could you have a look please?

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Comment 2

[Julian Descottes [:jdescottes]]

Feel free to bump the priority if you feel like this is a blocking issue.
I don't think the user impact is huge, but I'm open to discuss this.

Comment 3

[:Harald Kirschner :digitarald]

Belen, should we track this for Application panel as well or is it not affected?

Comment 4

[Gary Chen [:xeonchen]]

There's no Service Worker with First-Party Domain when dFPI is on, only 1 is shown in about:serviceworkers and about:debugging.

Comment 5

[Johann Hofmann [:johannh]]

That reads like dFPI isn't affected, removing the meta bug.

Comment 6

[Release mgmt bot [:suhaib / :marco/ :calixte]]

Clear a needinfo that is pending on an inactive user.

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