After 1.16 was released, the water in the oceans and lakes have become a weird black color in the distance. It basically isn't affecting gameplay, but whatever happened is making the water look very bad. This glitch also happens with terrain far away too.
Thank you for your report!
We're actually already tracking this issue at MCPE-56838, 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