The community member is inquiring about the continued recommendation of a previous article on building and evaluating a QA system with llama-index. They mention seeing newer additions like FaithfulnessEvaluator. The comments indicate that the abstractions have been modified, and the blog post will be updated soon. The community members discuss using llama-index's in-house evaluation module or something like TrueLens, and one member recommends using the in-house evaluation, depending on the specific evaluation needs.
