The resizing function has been moved to the section above (where the coordinates and width and height of the object are).
Figma Help Center
Thank you so much! I was also looking for the same.
Thank you! I was searching for it for 10 minutes lol!
where??Could you please tell me where I can see some pictures? I can’t find them. Can you help me?
it is not where you have said it is

I can’t find resizing too. Can you help me to find it? Thanks!
Hi there! In the new UI3, the resizing is in the Autolayout section:
More information in this article:
Figma Learn - Help Center
Hope this clarifies!