Multiverse/Multiverse-Core — comment on commit 873d8782521c07c36e34cd66449c123b3f5d424a
File: src/main/java/com/onarandombox/MultiverseCore/MVWorld.java line 337
By Wolvereness:

As far as breaking changes, you could cast it to (List) and be just as type-unsafe as you were before. getStringList simply calls toString() on all the values.