Is the intention to only block add-on suggestions? CFR will soon suggest recommendations to pin tabs as part of bug 1501751 for 67. There's no add-ons to install for that.
Bug 1525340 Comment 18 Edit History
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Edit: moved to bug 1529078 Is the intention to only block add-on suggestions? CFR will soon suggest recommendations to pin tabs as part of bug 1501751 for 67. There's no add-ons to install for that.