Image Host Grabber may be disappearing from Firefox on November 3:
Quote:
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Google requires Chrome extensions to be signed and installed via the Chrome store. Microsoft will do the same for Edge; its extensions will be digitally signed and distributed through the Windows store. Mozilla has similar plans for its new extensions. They will have to be digitally signed by Mozilla, and will generally be distributed through addons.mozilla.org. This digital signature mandate is also being implemented for current add-ons; after the November 3rd Firefox release (version 42), these will no longer work if they do not have a digital signature. Between now and then, unsigned extensions will be disabled by default, with an option to enable them.
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http://arstechnica.com/information-t...ke-extensions/
Looking in my add-ons manager I see IHG falling under the category of being allowed...for now.