Summary:
In Java Edition 1.20.2 pre-release 1 the gamerule enderPearlsVanishOnDeath was added. This gamerule still hasn't been added to Bedrock Edition.

https://www.minecraft.net/article/minecraft-1-20-2-pre-release-1

Added game rule enderPearlsVanishOnDeath, controlling whether thrown ender pearls vanish when the player that threw them dies (default true)

Steps to reproduce:

1. Enter a world with cheats on
2. Go to chat
3. Type:

   /gamerule enderPearlsVanishOnDeath

Observed results:
There is no /gamerule enderPearlsVanishOnDeath in Bedrock.

Expected results:
It should be there in Bedrock as Java has it in Java Edition 1.20.2 pre-release 1.