Apps: All
Platforms: Windows, macOS and iPad
Within alignment options you will see three new options to make all items in your current selection adopt the same width, height or rotation. By default this will transform all objects to match the first item selected, or alternatively if a key object has been nominated (alt-click) it will use that as the source.
Additionally you can choose to maintain the aspect ratio of the objects being resized.
On desktop this is available via the alignment dropdown:
And on iPad via the alignment options panel which you can get to via the transform panel: