Varun Vachhar on Storybook.js published a useful framework for testing UIs which covers visual, composition, interaction, accessibility, and user flow testing. The framework gives an overview looks at how to test in each category and scores each using dimensions such as iteration speed, maintenance, and isolating failures.
A very non-intuitive UI resulted in a Citibank sub-contractor accidentally repaying a $500m to creditors instead of transferring the money to another account, despite the process being signed off by two other superiors.
Power People Platform is a great library of diverse 3D avatars to use in your designs and UX personas. The library features 12 different characters, everyone with 3 different skin colors, 6 hair colors, 5 dresses, 23 dress colors and endless background colors
Pixel True have created a set of 24 lovely illustrations that depict different aspects of the COVID-19 pandemic, using cartoon animals no less. The pack is available to download under the Creative Commons licence.