Sand doesn't fall when the block holding up a plant, holding up sand, is broken.
Sand/Gravel does not fall when following this procedure.
1. Find any plant (besides sugar cane).
2. Put sand on top of plant (but not falling sand).
3. Take away the block supporting the plant.
4. Observe sand floating
5. Sand will fall if anything is placed adjacent to the sand.
Environment
64-bit pc
Windows 8 pro
administrative account
Java Version 7 Update 9
Unmodded Launcher/Game
Linked Issues
Created Issue:
Sand doesn't fall when the block holding up a plant, holding up sand, is broken.
Sand/Gravel does not fall when following this procedure.
1. Find any plant (besides sugar cane).
2. Put sand on top of plant (but not falling sand).
3. Take away the block supporting the plant.
4. Observe sand floating
5. Sand will fall if anything is placed adjacent to the sand.Environment
64-bit pc
Windows 8 pro
administrative account
Java Version 7 Update 9
Unmodded Launcher/Game
relates to
duplicates
relates to

Confirmed in 1.6.2 pre-release.
Resolving as duplicate of
MC-19886because the cause is the same; namely that the plant doesn't cause a block update when it pops off.