Assembly Section View Enhancements (What's New in 2024)
Check out the improvements made to Section Views for assemblies.
Section view definition persists in the design view representation. With this release you can easily edit the section view definition or suppress the section view by right-clicking the view representation node and clicking Section View 
Edit or Suppress.
For more information see To Work with Section Views.
Large Assembly Performance Improvement
Control Section View end cap preview during section view plane dragging.
End cap visibility is set by default to display end caps for sectioned geometry when the part count is <= 500. If the part count is >500 the end caps will not display. You can override the setting by selecting or deselecting the option in the mini-toolbar.
For more information see To Work with Section Views.