From Making Star Wars:
“Spoiler Warning: Please do not openly share the contents of this article on social media and spoil anyone that does not wish to be spoiled. Everyone has a different view regarding what constitutes a spoiler. Be cool and be careful. Please do not implicate me in your online social faux pas.
At the end of the second act of Star Wars: The Rise of Skywalker we arrive at a jungle planet. The jungle planet is the location everyone meets at before the heroes go onto their climatic encounters with evil at the end of the film. But apparently things do not all goes as planned during the resistance planning sequence of the film and a skirmish breaks out. […]
Another interesting thing I’ve learned about the jungle planet is that some walkers not seen since Attack of the Clones are said to be involved on the jungle world sequence. […] We have walkers from Attack of the Clones, the Falcon on fire, and First Order troopers attacking the heroes. We are assuming the walkers are AT-TEs. […]”