Dalai Felinto just made a Blog Post on the Blender Developer's Blog, celebrating the 10th iteration of the Blender Code Quality Day, and taking this opportunity to outline some of the successes of the program.
— Blender Developers (@BlenderDev) November 5, 2020
The program was started in February 2020, and takes place the first friday of every month. It was conceaved as a way of mitigating the technical debt sometimes incurred by the organic nature of growth and development on the Blender project.
You can read all about the progress and outcomes of the project on the blog post found in the link below!