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Make sure addons go across versions

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  • 1 has this problem
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  • Last reply by James

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New version deleted almost all my addons. Why does this happen? It doesn't with Chrome

New version deleted almost all my addons. Why does this happen? It doesn't with Chrome

Chosen solution

Firefox 57.0 and later Releases including the current 58.0.1 requires the Extension to be webextension. You appear to be Testing a Beta (Dev ed.) build of 59.0b# where some extensions may not be compatible with.

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Those messages mean there is an update for those add-ons.

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Chosen Solution

Firefox 57.0 and later Releases including the current 58.0.1 requires the Extension to be webextension. You appear to be Testing a Beta (Dev ed.) build of 59.0b# where some extensions may not be compatible with.