Drops form rain pierce solid blocks

Raining under roof, caves, solid blocks in general

What I expected to happen was...:
The drops don't piercing solid blocks

What actually happened was...:
I was walking inside a cave and then the weather of outside were falling inside an isolated cave

Steps to Reproduce:
1. I updated the game AND my world from version 20w16a to version 20w17a
2. This bug has been happening since then