Structure Generation in and Nether

If you aren't changing Nether generation, then there are certain spots where Nether Fortresses should be, but aren't in JE 1.18 Pre-release 1 compared to JE 1.17.1. Some are the same and are accurate using this website I used to test it (some aren't accurate but most are): https://www.chunkbase.com/apps/seed-map