Victor May

AI Engineer at Google Cloud, currently focusing on AI agents for SWE tasks.

Research Areas

Authored Publications
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    GitChameleon 2.0: Evaluating AI Code Generation Against Python Library Version Incompatibilities
    Diganta Misra
    Nizar Islah
    Brice Rauby
    Zihan Wang
    Justine Gehring
    Antonio Orvieto
    Muawiz Chaudhary
    Eilif Muller
    Irina Rish
    Samira Ebrahimi Kahou
    Massimo Caccia
    2025
    Preview abstract The rapid evolution of software libraries poses a considerable hurdle for code generation, necessitating continuous adaptation to frequent version updates while preserving backward compatibility. While existing code evolution benchmarks provide valuable insights, they typically lack execution-based evaluation for generating code compliant with specific library versions. To address this, we introduce GitChameleon 2.0, a novel, meticulously curated dataset comprising 328 Python code completion problems, each conditioned on specific library versions and accompanied by executable unit tests. GitChameleon 2.0 rigorously evaluates the capacity of contemporary large language models (LLMs), LLM-powered agents, code assistants, and RAG systems to perform version-conditioned code generation that demonstrates functional accuracy through execution. Our extensive evaluations indicate that state-of-the-art systems encounter significant challenges with this task; enterprise models achieving baseline success rates in the 48-51% range, underscoring the intricacy of the problem. By offering an execution-based benchmark emphasizing the dynamic nature of code libraries, GitChameleon 2.0 enables a clearer understanding of this challenge and helps guide the development of more adaptable and dependable AI code generation methods. View details