When flying with the elytra the chunks load very slow.

1.16.2, without optifine.

This report is invalid, your Minecraft version is outdated, The current version is 1.16.3

It also happens in 1.16.3

Then recreate this issue

Is there a solution?

I only want to know if there is a solution

Thank you for your report!
However, we are already tracking this issue, and this report is a Duplicate of MC-166508, which is a report that has not been resolved yet.

If you want, you can upvote the parent ticket, and enable watching to receive any updates about it - if you believe you have any information that may be important for this issue, please leave a comment on the parent. Please also use the search function in the future to prevent duplicate reports.

Quick Links:
📓 Issue Guidelines – 🛠 Community Support – 📧 Customer Support – ✍️ Feedback and Suggestions – 📖 Game Wiki
💬 Mojira Subreddit – 💬 Mojira Discord