Minecraft wiki entry for Development_versions, associated text: Have a new look, differing per biome.
Added village job sites and gathering sites.
Number of houses depend on beds.
Taiga villages are now more common.
Removed zombie villages, due to new village changes.
Available through Experimental Gameplay.
Can be located with both /locate village and /locate newvillage.
/locate village is now not always guaranteed to locate a village, while /locate newvillage always point to villages.
No longer generate in Old world types.
Version exclusive: Meeting points generate with various bell types.
Version exclusive: Job and gathering sites, that villagers will mingle around together, generate in villages.
Job sites can be built by players by placing a job site block in village boundaries.
Most strongholds no longer generate under village wells - they now generate under village meeting points.
Reduced the chance of strongholds generating under villages. .