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Duplicate Firefox Sync Devices

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I noticed that in the "Synced Tabs" on Firefox for Windows 10, there are duplicate devices listed down that are not listed in my "Connected Devices" page. I noticed this after I was fixing a bug on my Firefox Installation that ended with me uninstalling and re-installing it, then signing back into sync.

Essentially, the "Synced Tabs" it shows 2 different "devices" for the same laptop:

What is even stranger is that these Duplicates don't show up on my other Firefox devices such as my Phone and iPad, they only appear on my laptop's instance of Firefox.

Attached screenshots

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