Both Time Stretch and Pitch Shift are available in RB.
Select the desired regions of the tracks. You can do multiple tracks or single tracks, and the whole track or just a section. The key is to select the correct section(s).

Then Right-Click and use the option shown in the first image.
Then further options in the second image will then appear in a popup.

Pay attention to which check boxes are active and how you set the desired changes.

To Time Stretch without Pitch Shifting, uncheck Pitch Shift, and use the Tempo boxes above to adjust the speed.
The Percentage will change and adjust, but for Tempo these are just informational.

This combo tool allows adjusting Tempo, Pitch or both .. long as you pay attention to the available options.
If I recall correctly, it now uses the same algorithm as the native BiaB/RB generation tool (Elastique) so it is pretty good.

Attached Files (Click to download or enlarge) (Only available when you are logged in)
TimeStretchPitchShift.jpg (64.45 KB, 108 downloads)
TimeStretchPitchShifPopUPt.jpg (48.85 KB, 108 downloads)
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