diff --git a/changelogs/4.0-snapshot.md b/changelogs/4.0-snapshot.md
index be89cc140..7df1adca0 100644
--- a/changelogs/4.0-snapshot.md
+++ b/changelogs/4.0-snapshot.md
@@ -877,6 +877,7 @@ This version features substantial changes to the network system, improving coher
   - `Chunk->__construct()` now has the signature `array<int, SubChunk> $subChunks, ?list<CompoundTag> $entities, ?list<CompoundTag> $tiles, ?BiomeArray $biomeArray, ?HeightArray $heightArray`.
   - `Chunk->getSubChunk()` now returns `SubChunk` instead of `SubChunkInterface|null` (and throws `InvalidArgumentException` on out-of-bounds coordinates).
   - `Chunk->setSubChunk()` no longer accepts `SubChunkInterface`, and the `$allowEmpty` parameter has been removed.
+  - `WorldManager->generateWorld()` (previously `Server->generateWorld()`) now accepts `WorldCreationOptions` instead of `int $seed, class-string<Generator> $generator, mixed[] $options`.
 - The following API methods have been renamed / moved:
   - `Level->getCollisionCubes()` -> `World->getCollisionBoxes()`
   - `World->getName()` -> `World->getDisplayName()`