Small dripleaf and Big dripleaf sometimes do not break completely

Summary:

Sometimes, when you break a Small dripleaf and Big dripleaf very quickly, only the part that you broke directly, rather than the entire plant, breaks.

Steps to reproduce:

1. Place Small dripleaf and Big dripleaf in a row (Big dripleaf grow into several blocks).

2. Start breaking them very quickly.

3. If it doesn't work out, it's all over again.

Observed results:

Sometimes plants will not break, but only the block that you broke by hand will break.

Expected results:

Plants must break completely.

Video: