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Borderify Extension not working (no errors)
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9
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2487
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February 14, 2026
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Questions about including third-party libraries
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1
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66
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February 10, 2026
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How does Mozilla calculate daily users in the statistics panel?
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1
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79
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February 10, 2026
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Is there a way to stream in-memory data into downloads.download?
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0
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59
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February 9, 2026
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Feedback wanted: Selenium WebExtension Bridge for Firefox
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0
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49
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February 8, 2026
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Selection changed event behaviour changed since 148?
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0
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54
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February 7, 2026
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Proper way to create an add-on for internal use
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1
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74
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February 6, 2026
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Intercepting HTTP requests doesn't work
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2
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57
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February 6, 2026
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Adding onUserScriptConnect / onUserScriptMessage listeners
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0
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36
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January 23, 2026
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Is Firefox MV3 intentionally not supporting `browser.runtime.onMessage` in MV3 userScripts API? Why?
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8
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212
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January 21, 2026
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Why does runtime.onSuspend not execute window.localStorage.setItem?
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2
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47
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January 19, 2026
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How to automate add-on option screen tests?
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7
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267
|
December 30, 2025
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Firefox Default Themes & Theme Values
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2
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118
|
December 24, 2025
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Insert text into textbox with add-on click
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2
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156
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December 15, 2025
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How to prevent redirecting to HTTPS when fetching local address from a background script?
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2
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72
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December 3, 2025
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Do older Firefox versions ignore "data_collection_permissions"?
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2
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272
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December 3, 2025
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A way to set tab context as default for new tab
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3
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129
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November 18, 2025
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[EDITED] Error: Permission denied to access property "then"
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4
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2322
|
November 18, 2025
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Funcions `loadOneTab` and `loadURI` in 2023 in Firefox Experimental API?
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2
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714
|
November 16, 2025
|
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Foucs behavior issue on sidebar when opening
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1
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74
|
October 29, 2025
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Pin Tab Enhancement / Side Bar Control
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2
|
362
|
October 25, 2025
|
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[Manifest V3] background script stopped when signed extension is up
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3
|
126
|
October 15, 2025
|
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WebExtension API support for web app windows
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3
|
146
|
October 10, 2025
|
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IDEA - Add Unsubscribe Footer
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0
|
41
|
October 5, 2025
|
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Validation says data_collection_permissions missing, but exists in manifest?
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2
|
1913
|
September 20, 2025
|
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Do extension settings reference or depend on the extension's internal uuid?
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2
|
50
|
September 19, 2025
|
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Can we access location of new tab wallpaper?
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2
|
76
|
September 15, 2025
|
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License: This field, or custom_license, is required for listed versions
|
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3
|
151
|
September 12, 2025
|
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Error when use web-ext with chrome with `--keep-profile-changes`?
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3
|
190
|
August 29, 2025
|
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How to restore a recently-closed tab group via WebExtensions API
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2
|
422
|
August 28, 2025
|