About this Add-on
Also, this addon is compatible with e.g. TB 52 ESR and other versions up to TB57 - use version 64.3 from the archive.
It is beyond me why this addon shows as incompatible with TB52 ESR when there is clearly one version available!
To create your own collections, you must have a Mozilla Add-ons account.
Some add-ons ask for permission to perform certain functions. Since you’re in control of your Firefox, the choice to grant or deny these requests is yours.
Please note this add-on uses legacy technology, which gives it access to all browser functions and data without requesting your permission.