Tested on two worlds. Ender dragon and portal frame do not spawn. Tested with both a /setblocked portal and a creative built one.
Related issues
Attachments
Comments
migrated
[media]
Asteraoth
Thank you for your report!
However, this issue is a Duplicate of MC-137467.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
Quick Links:
📓 Issue Guidelines – ?☃DCAC Community Support – 📧 Customer Support – 📖 Game Wiki