As shown in the video, at this coordinate, the heights of the left and right flames are different, and there is an error in the texture. Client version: Java1.21.8, server version: 1.21.7

Thank you for your report!
However, this issue is Invalid.

Your Minecraft version is outdated. We only take issues for the latest release and the latest snapshot.
Please update to the latest version as it includes the newest fixes. If you still have this problem after updating, then please create a new issue.
In case of a game crash, please also attach the crash report found in minecraft/crash-reports/crash-<DATE>-client.txt (see this page to learn more about how to find it).

Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki