What is new in version 1.4
Magic Wand tool selection modes (Union, Exclude, Xor, and Intersect).
Layer blend modes.
Reduced memory usage in the Open Images Pad (over 100mb in some cases).
Significantly reduced memory usage for history (only the difference between
the two images is stored)
Copy/Paste support for the text tool.
Improved rendering performance.
The colour picker tool now supports different sampling sizes, and sampling
from a single layer or the entire image.
Improved support for special characters and alternate input methods in the
Added a Copy Merged command to copy the flattened image/selection to the
clipboard, instead of just the current layer.
Added a drop shadow to the canvas.
Improved support for extensions:
Extensions can be initialized/uninitialized properly, including removing
any tools/effects that were registered.
Downloads from remote repositories are now enabled.
Install Pinta 1.4 in ubuntu
Open the terminal and run the following commands
sudo add-apt-repository ppa:pinta-maintainers/pinta-stable
sudo apt-get update
sudo apt-get install pinta