Variants - Silkscreen and Solder Paste

Project > Variants

Check the First Option for Silkscreen

Check Both Options for Solder Paste

That's it !

Project Releaser - Temp Files Location

C:\Users\rjcle\AppData\Local\TempReleases

Open the Snapshot Folder and Drill Down . . .

That's it !

Room - Donut Shaped with Height Constraint

Example - Donut Shaped Room with Height Constraint

Height Constraint using Keep Objects Outside

Create two Arcs with Crosshairs.

Draw Rectangular Room, ignore self-intersecting warnings while drawing the polygon. Then Edit Polygon Room Vertices to form joined 90 degree Arcs using Snap to Lines and Arcs. 

or

Draw Lines and Arcs then Tools > Convert > Create Room From Selected Primitives.

Notes:

Height Constraint Syntax -  AsMM(Height) > 0.6

Height Constraint - Online DRC does NOT work (bug ?)

Height Constraint - Batch Mode DRC Check works.

Use Shift + Space Bar to Pull Lines to Arcs.

Polygons - Hide Shortcut

Shortcut hide polygon - Altium Discussion Forums

I have added a command with an icon in my toolbar.

This is the screenshot of Hide Polygon. 

The parameter to Hide Polygons is:   PolygonQuality=Hidden

The parameter to Draft polygon is:   PolygonQuality=Draft

The parameter to show polygon is:   PolygonQuality=Full

Thank you Walter !

Slice Tracks - Options

To bring up the Slicer Properties Dialog 

Select Edit > Slice Tracks > Left Click Mouse to Start Slicing then Press the Tab Key

That's it !