Bez Develops a Browser Engine from Specifications and Tests

Bez is working on generating a web rendering engine from specifications and tests. The process involves using the three major shipping browsers and the Web Platform Tests (WPT) to ensure compatibility. Building a web engine manually requires significant resources, making it feasible only for a few companies. Bez aims to automate this process, allowing for the generation of additional engines at a lower cost once the initial pipeline is established. The current status of various components, including the DOM, style, box tree, and fragment tree, has been documented, with specific rules and checks passing established browser compatibility tests. The project is in its early phases, with ongoing discussions about the costs and capabilities of the generated features, as well as the limitations of the current implementation.