Bug fixes and enhancements:

- Added support for inserting PNG images with transparent background.

- Newly inserted shapes to be automatically selected except in continuous insert mode.

- Fixed grouping separators not showing for length dimensions.

- Fixed unit suffix for new length dimensions to be enabled if the setting is enabled as default.

- Fixed readability issue with navigation bar text in popovers for image insert, export to email and dropbox login.

- Fixed copy and paste onto a hidden or locked layer is not allowed with message to alert user that the active layer is hidden or locked.

- Fixed hiding or locking a layer to de-select current selection if objects in the layer are selected.

- Fixed data changes after migrating older design files to be saved even without any new changes.

- Fixed opacity input control in Fill color panel not to show decimals.

- Added Aspect Ratio option for background image.

- Added Clear option to clear the set background image.

- Added Opacity controls for background image to set transparency level.

- Setting a background image will also enable the background image to be rendered on the board.

- Clearing a background image will also disable the background image.

- Fixed issues with SVG import (import of files without any groups)

- Fixed issues with undo/redo for image shapes.

- Fixed issues with cut/copy/paste for image shapes.

- Fixed undo-redo not working again after undo/redo on image shape and autosave of design.

- Smooth animations during portrait-landscape rotation, for board and all UI elements.

- Some UI changes in centering and zooming of toolbox menu.

More features and enhancements in the next update. Thank you for your support!