Advancement tabs does not show until you got the advancement; for example, for the nether tab to appear you must complete a nether related advancement.
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[MOD] Greymagic27
Does MC-115297 describe your issue?
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No, this is about the tabs not showing, not 'There doesn't seem to be anything here'
[Mod] markderickson
Hi there!
I can confirm for release 1.16.2.
Avoma
Can confirm in 21w03a.
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Affects 1.17 Pre-release 1
Avoma
Can confirm in 1.17.1.