I recently did some exploration over 2000 blocks (one level 4 map) away from spawn. When I first created the world, I actually spawned in a village, and I have since modified the village to more than triple its population.
When I came back from my exploration, I think another bug despawned several villagers. It had to be several because the population was 62, and there are 51 beds.
Needing XP to repair my gear, I decided to grab crops and paper to trade with the villagers. My farmers were not all leveled up, so I did buy some bread. I eat cooked beef exclusively, so being charitable I threw the bread back to the villagers. Big mistake.
Now that the villagers had enough food, they went insane. Love everywhere. 1 child. 2 childs. 3 childs. 50 childs.
Over the course of a day, the population rose from whatever it was initially to 149. It essentially tripled in size despite only 51 beds existing in the village. Significant lag ensued.
I did some experiments, and in creative mode I got the same thing to happen by killing 11 villagers, since the old save hadn't despawned any of the original 62 villagers. Population over 100.
I think the issue could be related to either the bugs involving villagers to not link properly with beds, or the bug that currently affects their navigation, especially along the Y axis.
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[Mod] OcelotOnesie
Thank you for your report!
We're actually already tracking this issue at MCPE-47212, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
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