Has occurred twice, named endermites have despawned when the chunk is unloaded despite being named. (The endermite didn't despawn when it was in a minecart though).
MCPE-69206
Named Endermites despawning Bedrock
Resolved
Duplicate
0
Thank you for your report!
We're actually already tracking this issue at MCPE-21416, 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.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki