[tor-bugs] #34389 [Applications/Tor Browser]: Multi-Account Container extension "corrupt" upon installation

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#34389: Multi-Account Container extension "corrupt" upon installation
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 Reporter:  TechyGrue  |          Owner:  tbb-team
     Type:  defect     |         Status:  new
 Priority:  Medium     |      Component:  Applications/Tor Browser
  Version:             |       Severity:  Normal
 Keywords:             |  Actual Points:
Parent ID:             |         Points:
 Reviewer:             |        Sponsor:
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 Hi. I'm running TB 9.5 on Ubuntu 20.04. To further improve my privacy, I'd
 like to install Multi-Account Containers extension to have cookie
 (session) isolation between tabs. I've tried installing versions that I
 verified work in vanilla Firefox. All attempts fail with same error "The
 add-on downloaded from this site could not be installed because it appears
 to be corrupt." Screenshot here: https://i.imgur.com/zlCxx2I.png

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/34389>
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