The Bug
Stripped Log, Stripped Wood & Wood for the Mangrove all come after the Nether Stripped Hyphae, Hyphae & Stripped Stem instead of coming after the Dark Oak Variations like how the other Mangrove blocks appear
Reproduce
Go to the Building Blocks Tab in the creative inventory
Look at the Stripped Log, Stripped Wood or Wood block order
Notice where the Mangrove variations are placed
Look at the other wood blocks like planks or pressure plates
Notice where the mangrove is ordered
Observed Result
The Mangrove variations came after the Nether variations in the Stripped Wood, Stripped Log and Wood sections
Expected Result
They would come after the Dark Oak variations
Can confirm.