Materials, Textures & Lighting
Would you like to playback a specific part of the animation on loop and isolate it from the rest of the animation temporarily? Maybe to focus on a part that needs a lot of tweaking.
In the timeline editor, click the stopwatch icon in the top right corner
https://youtu.be/ZKEwA1FvbHY?si=o0NluLKu3j9qbuPl
First and last keyframes should match- however the EASING OF THE FRAMES MAY CAUSE THE Loop to not be perfect. Try changing first and last frames to vector to mitigate issues.