End Gateway Missing Bedrock & Incomplete Stronghold in Specific Seed (1.21.81)

on seed: 6680158985856009126

there's many bugs generated naturally on that seed for multiple world i created using that

End Portal Room (only room generated):

X: -858

Y: -48

Z: -336

Issue:

Only the End portal room generates the rest of the stronghold structure is completely missing. No hallways, libraries, or other rooms appear. The portal room is also asymmetrical, with misaligned blocks and missing structural elements.

End Gateway (missing 2 bedrock blocks):

X: -595

Y: 58

Z: -795

Issue:

The End gateway spawns but is missing 2 bedrock blocks that should form part of its frame. It still functions as a portal, but the frame is visibly broken and incomplete.