Just a heads up for those using 2017. If you have your "Display dimensions flat to screen" checked in your system settings and expect to change "Hole Callout" or "Diameter" settings under the Dimensions tab in the Drafting Standard tab you will crash to the desktop. This has an SPR # of 986219. Got a status change notification this morning that this has been fixed in version 2018 A1 . Why with a known bug that crashes the system do you wait till 2018 to fix this. I sure hope that it's fixed sooner than the next major release.