Summary:
Haste I paired with an Efficiency V pickaxe cannot instantly mine Terracotta like in Java Edition. Haste II does allow for it.

Steps to Reproduce:

1. Place down some terracotta
2. Enchant a diamond or netherite pickaxe with Efficiency V
3. Give yourself Haste I
4. Switch to Survival mode
5. Mine the terracotta with the pickaxe

Observed Results:
The terracotta is mined at normal speed.

Expected Results:
The terracotta should be instantly mined.