The title says it.
You can keep jumping on slime blocks and when you stop, you can walk and jump on the nearby blocks that are not slime blocks.
I have seen it with many previous versions, but I report it, while I use the 1.20.71 version.
Also, I think it affects all devices. I’m not 100% sure for the last one.
I made a video for this:
[https://youtu.be/W_1vOMFMuGk?si=bmOkLB0Or2B2_a0l]
(If you see a similar topic from me, then please delete it. I think that I accidentally put the thumbnail of the video, instead of the same the video.)