^{Update by Mega_Spud:}
Verification builds:
1.9.0.0 beta | Windows 10:Yes

Summary:
Villagers should show their displeasure when a nearby panda is punched by a player by producing "villagerangry" particles. (Feature was added to Java, but is currently not working or is missing on Bedrock)

Repro Steps:

1. Spawn a panda next to a villager
2. Punch the panda
3. Look for the Villager's reaction

Observed Results:
The villager does not show angered particles when the panda is hit.

Expected Results:
Villagers should show their displeasure when a nearby panda is punched by a player by producing "villagerangry" particles.

Screenshots/Videos attached: Yes
Java edition:

Notes:

Original Description:

When you attack them or you hit a panda in front of them, villagers should display angry particles, but they don't actually do it.