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CloseDeveloper reply by Firefox user beeb85
Rated 1 out of 5 stars
@Standard8
Thats IMO not correct.
Installing e.g. addon 'lightning' works with TB 5,6,7 without problems. Also in FF 5,6,7 global installation of AdBlockPlus' works!
@thomas_besser Sorry that you disagree. It depends on which method you're using.
https://developer.mozilla.org/En/Updating_extensions_for_Firefox_4#Installing_extensions_globally
"The -install-global-extension and -install-global-theme command line options have been removed."
This happened for FF 4 (and got incorporated into TB in 5 as well).
If you're doing it via the drop into the extensions directory method, then you'll probably have to update the install.rdf (unzip, edit & change max version, re-zip), or get your installations to check for updates to extensions. AMO allows us to update compatibility without updating the install.rdf file. Lightning has to be updated with each release (for other reasons) so their install.rdf always get bumped.
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