this post was submitted on 17 Mar 2024
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Can users upload files to Manifest V3 addons? (lemmy.world)
submitted 8 months ago* (last edited 8 months ago) by TheTwelveYearOld@lemmy.world to c/firefox@lemmy.ml
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For instance, in the settings page for Tab Session Manager, you can click an upload button to upload JSON session files from your device to the addon. I looked up if UBlock Origin Lite (the re-implementation of UBlock Origin with Manifest v3) supports custom filter lists and all the results said no it can't due to the limitations of Manifest V3. OTOH I found a StackOverflow post and Google Groups discussion saying its possible with the filesystem API.

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[–] JackGreenEarth@lemm.ee 6 points 8 months ago (1 children)

Firefox isn't forcing Manifest V3, is it?

[–] MrOtherGuy@lemmy.world 1 points 8 months ago

I guess that kinda depends on what you mean by "upload". If you simply mean if user can point the extension to load some local file eg. via <input type="file"> then sure, that works just fine.

It sounds like the issue you mention regarding uBO Lite is not about if it can read a local file, but rather that it can't use that data to update the active filter lists - perhaps because it already has too many dynamically inserted filter rules, but that's just a guess.