[tbb-bugs] #27601 [Applications/Tor Browser]: growl a-like browser notifications are not working anymore on macOS with Tor Browser 8

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#27601: growl a-like browser notifications are not working anymore on macOS with
Tor Browser 8
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-8.0-issues, tbb-regression,      |  Actual Points:
  tbb-8.0.1-can                                  |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by mcs):

 Kathy and I did some triage of this ticket because we thought it might be
 a macOS-only bug, but that is probably not true. It seems to be related to
 first party isolation of permissions. Using the following page for
 testing, notifications started to work after I changed
 `privacy.firstparty.isolate` to `false`:
 https://developer.mozilla.org/en-US/docs/Web/API/notification

 On that page, grant permission for notifications when prompted and then
 click the "Notify me!" button.

 Arthur, any ideas?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27601#comment:2>
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