It has important bug fixes and a couple of new features:UP and DOWN arrow keys in CSS rules properties increases or decreases values by 0.1 unit (1 unit with SHIFT) if value is a decimal value (normally by 1 and 10 units).

Font and text panel with Size set to 3.8em, and a callout that Up and Down change the value by 0.1 and Shift by 1
Use selected element Actions › Insert Lorem Ipsum to quickly insert placeholder text.

Actions menu for a Bootstrap starter element with Insert Lorem Ipsum highlighted
Improved handling of empty elements (for example, divs without children). min-height:100px is applied to empty elements so that you can see them while editing the page (otherwise their default height is 0px). New setting was added to enable or disable this behaviour.

Pinegrow setting checkbox labeled Set min-height 100px on empty elements, with a note that it only affects the Pinegrow view
Disable auto-updating in page Edit code (checkbox on the right side of the edit toolbar). Click on Refresh or pressCMD + R to manually refresh the page view after making changes to the code. This is useful when auto-updating gets too slow on complex pages.

Code editor and page preview with the Refresh checkbox toggled on, and a callout to refresh manually with Cmd+R