Developing something like Vara can be fun and educational. One cannot resist the temptation to record at least some of the experience. Here are some blog posts from Nandakumar Edamana related to Vara:
Bootstrapping a New Logo for Vara -- How the logo of Vara was created programmatically.
Why I Picked XCF Instead of OpenRaster for Vara -- The reasoning behind picking XCF as the project format for Vara while OpenRaster could be a better choice.
More blog posts related to Vara can be found under the relevant tag.
You'll come across the following technical terms while reading about Vara. While understanding them is not necessary to use Vara as an artist, knowing them can be rewarding. For graphics programmers, basic knowledge of these is a must.
A general article from the Learn section of this website: