Marco Castelluccio
Senior Engineering Manager at Mozilla
Latest research
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A Comparison of Conversational Models and Humans in Answering Technical Questions: the Firefox Case
Jan. 16, 2026Generative AI / Open sourceThe study evaluates Retrieval-Augmented Generation (RAG) with LLMs for assisting Mozilla Firefox developers by comparing human responses, standard LLM, and RAG-enhanced LLM on real developer queries.
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Automated Generation of Issue-Reproducing Tests by Combining LLMs and Search-Based Testing
Jan. 16, 2026Generative AI / Open sourceThe paper introduces BLAST, a tool that combines large language models with search-based software testing to automatically generate issue-reproducing tests from issue-patch pairs, addressing the common absence of such tests in practice.
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Using LLMs to Bridge the Gaps in QA Test Plans at Firefox
Jan. 16, 2026Generative AI / Open sourceThe study explores using LLMs to automatically generate test plans for Firefox features, aiming to reduce the manual effort and blind spots in traditional QA planning.
