`allowEnteringNetherUsingPortals` is not respected

[GooberGaber]

Expected behavior

Having the allowEnteringNetherUsingPortals game rule set to false should disallow players from entering the Nether.

Observed/Actual behavior

Even when the game rule is set to false, the players are able to enter the Nether.

Steps/models to reproduce

1. Execute /gamerule allowEnteringNetherUsingPortals false
2. Build and Enter a Nether portal.
3. You will be teleported to the nether.

Plugin and Datapack List

None

Folia version

Folia version 1.21.11-10-ver/1.21.11@1aa7055 (2026-01-04T19:46:20Z) (Implementing API version 1.21.11-R0.1-SNAPSHOT)

Other

This issue has already happened in Paper (PaperMC/Paper#13261) and has already been fixed there (PaperMC/Paper#13263), this means Folia just needs to be updated to the latest Paper version

[GooberGaber]

Build #11 updated Paper, fixing this issue