When you start mobs on fire they do not show flames. This could be related to MCPE-76180 in which fire animations do not play.
Related issues
Comments
[Mod] OcelotOnesie
MCPE-78162
Mobs do not Appear to Burn
Resolved
Duplicate
0
[Mod] OcelotOnesie
migrated
(Unassigned)
Unconfirmed
Windows
1.16.0.60 Beta
Retrieved
Thank you for your report!
We're actually already tracking this issue at MCPE-76384, 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 – ✍️ Feedback and Suggestions – 📖 Game Wiki