A Survey of Reinforcement Learning for Software Engineering

• URL: http://arxiv.org/abs/2507.12483v1
• Date: Mon, 14 Jul 2025 14:28:37 GMT
• Title: A Survey of Reinforcement Learning for Software Engineering
• Authors: Dong Wang, Hanmo You, Lingwei Zhu, Kaiwei Lin, Zheng Chen, Chen Yang, Junji Yu, Zan Wang, Junjie Chen,
• Abstract summary: Reinforcement Learning (RL) has emerged as a powerful paradigm for sequential decision-making.<n>We reviewed 115 peer-reviewed studies published across 22 premier software engineering venues since the introduction of Deep Reinforcement Learning (DRL) in 2015.<n>We identified open challenges and proposed future research directions to guide and inspire ongoing work in this evolving area.
• Score: 14.709084727619121
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Reinforcement Learning (RL) has emerged as a powerful paradigm for sequential decision-making and has attracted growing interest across various domains, particularly following the advent of Deep Reinforcement Learning (DRL) in 2015. Simultaneously, the rapid advancement of Large Language Models (LLMs) has further fueled interest in integrating RL with LLMs to enable more adaptive and intelligent systems. In the field of software engineering (SE), the increasing complexity of systems and the rising demand for automation have motivated researchers to apply RL to a broad range of tasks, from software design and development to quality assurance and maintenance. Despite growing research in RL-for-SE, there remains a lack of a comprehensive and systematic survey of this evolving field. To address this gap, we reviewed 115 peer-reviewed studies published across 22 premier SE venues since the introduction of DRL. We conducted a comprehensive analysis of publication trends, categorized SE topics and RL algorithms, and examined key factors such as dataset usage, model design and optimization, and evaluation practices. Furthermore, we identified open challenges and proposed future research directions to guide and inspire ongoing work in this evolving area. To summarize, this survey offers the first systematic mapping of RL applications in software engineering, aiming to support both researchers and practitioners in navigating the current landscape and advancing the field. Our artifacts are publicly available: https://github.com/KaiWei-Lin-lanina/RL4SE.

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