System Information
Operating system: macOS High Sierra
Graphics card: Intel HD Graphics 3000 384 MB

Blender Version
Broken: v 2.80 (280 2019-07-18)
Worked: (optional)

Short description of error
unable to apply lattice to object for object deformation

Exact steps for others to reproduce the error

• THIS IS NOT A USER "How To" QUESTION *

uninstalled v2.80rc1 using the CleanMyMac 3 app
downloaded/installed 2.80rc2

1. deleted all objects in viewport (ensured Blender was in Object Mode)
2. Add -> mesh -> uvsphere
3. Add -> Lattice
4. scaled Lattice to surround uvsphere
5. selected uvsphere
6. clicked wrench modifier
7. clicked Add Modifier
8. selected Lattice from list
9. lattice highlighted in red
10. from within "Object"....
11. selected Lattice from "drop down"
12. selected Lattice cage in viewport
13. pressed Tab
14. right clIck top right of Lattice cage & tried to drag corner to deform uvsphere

RESULTS:

15. unable to shift/select lattice cage
16. attempted to click drag cage in order to deform uvsphere
17. was not able to select any point n the Lattice cage (cage was not selectable