I can reproduce it by commanding a tamed pet to sit, then to stand, and after it begins to walk I tell it to sit again. It takes a few or several tries to do.
The pet should just sit again like it did the first time, however sometimes it will walk around while still in the sitting animation.
We do not have enough information to find the cause of this issue.
Please attach a video of this occurring while the F3 debug screen is enabled.
This issue is being temporarily resolved as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki