Ender Dragon and Return Portal Don't Spawn in Brand-New World if Setting scan-for-legacy-ender-dragon is Set To False in paper.yml · Issue #6991 · PaperMC/Paper · GitHub

Expected behavior I expect the ender dragon and the (unlit) return portal to spawn upon entering the end dimension. This was observed on multiple server members' computers in Singleplayer mode. Observed/Actual behavior The dragon did not

MC-11629] Some issues with the ender dragon portal spawning on an ender dragon death to get back to the overworld from the end - Jira

[Beyond] What is this mini portal in the end? We killed the ender dragon and it spawned off near the edge of the isle. : r/feedthebeast

End Gateway (block) – Minecraft Wiki

While in creative mode I accidentally punched the portal to leave the ender dragon's island and explore the rest of the end and it is now destroyed. Can I repair it somehow?

3 Ways to Spawn an Ender Dragon - wikiHow

How to re-summon the Ender Dragon in Minecraft - Quora

MC-11629] Some issues with the ender dragon portal spawning on an ender dragon death to get back to the overworld from the end - Jira

MC-184482] End Gateways don't generate after defeating the ender dragon - Jira

HELP, ender dragon disappeared in my end : r/Minecraft