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[EDITED] Error: Permission denied to access property "then"
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4
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2192
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November 18, 2025
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How do you debug issues related to going idle? (mv3)
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4
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85
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April 30, 2025
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Manifest V3 validation tools?
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4
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6804
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August 18, 2022
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MV3 background scripts vs serviceworkers - MS/Edge didn't get the memo?
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3
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976
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July 16, 2024
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Missing Context menus (mv3)
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7
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756
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July 10, 2024
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Allowing accessing data on all websites for group policy installations with Manifest V3
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7
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868
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June 27, 2024
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[Blog post] Manifest v3 in Firefox: Recap & Next Steps
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11
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5733
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June 14, 2024
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[Blog post] Manifest V3 Updates
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3
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679
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June 14, 2024
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Firefox InternalError (MV3)
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5
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742
|
May 11, 2024
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Post-MV3 versioning for "cross-browser" extensions?
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3
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711
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May 8, 2024
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MV3 and accessing file:/// resources (images)?
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4
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2283
|
December 23, 2023
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Please improve the way host permissions are requested and granted in Manifest v3 (puzzle icon)
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1
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932
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September 20, 2023
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How to ask `browser.permissions.request` from content_script?
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4
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1265
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June 12, 2023
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onHeadersReceived does not work in mv3
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1
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861
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May 12, 2023
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Overriding languages and user agent strings seen by web pages
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4
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859
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April 18, 2023
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How nonpersistent background pages work
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1
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673
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April 15, 2023
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MV3: Can .addListener() be inside a function?
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3
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739
|
April 2, 2023
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MV3 and Customizable Action Icon and Title
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15
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1192
|
March 8, 2023
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Onboarding-page force-close before you have read it (with MV3 it becomes a critical issue I think)
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3
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984
|
February 27, 2023
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MV3 keep data in memory when popup closes
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3
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863
|
February 11, 2023
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Manifest V3 support in Addons.Moziila.com
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7
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1205
|
September 26, 2022
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Error: Missing host permission for the tab
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5
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9742
|
September 23, 2022
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Using browser.scripting.executeScript in event listeners while upgrading to Manifest V3
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8
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2870
|
September 4, 2022
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Any news on declarativeNetRequest support in Manifest v3?
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2
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1988
|
September 17, 2022
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Devtools_page not working with Manifest V3
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0
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905
|
August 25, 2022
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Does firefox has manifest v2 and v3 timeline?
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1
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3943
|
August 21, 2022
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MV3 - Cannot get content script to run in Firefox! No errors and no loglines to be found!?
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4
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4755
|
July 14, 2022
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Extensions using content scripts without any user action wont work anymore in MV3
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6
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2697
|
July 10, 2022
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MV3 event page behavior clarification
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4
|
2030
|
June 20, 2022
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Can not use cross-origin requests from an MV3 addon background script on Nightly v102
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1
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2465
|
May 25, 2022
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