diff --git a/changelogs/4.0-snapshot.md b/changelogs/4.0-snapshot.md
index 632cf4420..203bb054b 100644
--- a/changelogs/4.0-snapshot.md
+++ b/changelogs/4.0-snapshot.md
@@ -6,6 +6,7 @@ This major version features substantial changes throughout the core, including s
 ### General
 - A new "plugin greylist" feature has been introduced, which allows whitelisting or blacklisting plugins from loading.
 - The `/reload` command has been removed.
+- The `/effect` command no longer supports numeric IDs - it's now required to use names.
 - Remote console (RCON) has been removed. The [RconServer](https://github.com/pmmp/RconServer) plugin is provided as a substitute.
 - Spawn protection has been removed. The [BasicSpawnProtection](https://github.com/pmmp/BasicSpawnProtection) plugin is provided as a substitute.
 - CTRL+C signal handling has been removed. The [PcntlSignalHandler](https://github.com/pmmp/PcntlSignalHandler) plugin is provided as a substitute.
@@ -230,7 +231,8 @@ This version features substantial changes to the network system, improving coher
   - `Effect::registerEffect()` -> `Effect::register()`
   - `Effect::getEffect()` -> `Effect::get()`
   - `Effect::getEffectByName()` -> `Effect::fromString()`
-- Static getter methods for all registered enchantment types have been added. `Effect::getEffect(Effect::WHATEVER)` should be replaced by `Effect::WHATEVER()`.
+- Static getter methods for all registered enchantment types have been added. `Effect::getEffect(Effect::WHATEVER)` should be replaced by `VanillaEffects::WHATEVER()`.
+- All effect registry functionality has been removed from the `Effect` base class and migrated to the `VanillaEffects` class.
 
 #### Removal of runtime entity NBT
 - Entities no longer keep their NBT alive at runtime.