Improvements:

• Allow greater adaptive map authoring area: Canvas now tries to maximize itself; Split panel flows instead of occupies fixed area, giving more room to canvas; Height picker buttons are slightly smaller.

GUI updates:

• Add … to menu items to indicate pop-up actions
• Square projection is now named Square (Equirectangular)
• Show menu tooltips

Editing operations:

• Edit > Shift Up: Shift map up by 1 unit
• Edit > Shift Down: Shift map down by 1 unit
• Edit > Shift Left: Shift map left by 1 unit
• Edit > Shift Right: Shift map right by 1 unit
• Edit > Shift: Shift map horizontally and vertically
• Edit > Flip Horizontally: Flip map horizontally
• Edit > Flip Vertically: Flip map vertically

Canvas operations:

• Canvas > Set Size: Set canvas to arbitrary size
• Canvas > Expand/Shrink: Expand or shrink canvas
• Canvas > Load Heightmap: Set map height values from a grayscale image; Currently only .png is supported
• Canvas > Save Image: Save map height values to a grayscale image

Please refer to https://store.steampowered.com/news/app/3336490/view/510730583362503323?l=english