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Bibliographic Details
Main Authors:	Yang, John, Lieret, Kilian, Jimenez, Carlos E., Wettig, Alexander, Khandpur, Kabir, Zhang, Yanzhe, Hui, Binyuan, Press, Ofir, Schmidt, Ludwig, Yang, Diyi
Format:	Preprint
Published:	2025
Subjects:	Software Engineering Artificial Intelligence Computation and Language
Online Access:	https://arxiv.org/abs/2504.21798
Tags:	Add Tag No Tags, Be the first to tag this record!

CodeClash: Benchmarking Goal-Oriented Software Engineering
by: Yang, John, et al.
Published: (2025)

SWE-bench Multimodal: Do AI Systems Generalize to Visual Software Domains?
by: Yang, John, et al.
Published: (2024)

SWE-bench: Can Language Models Resolve Real-World GitHub Issues?
by: Jimenez, Carlos E., et al.
Published: (2023)

ProgramBench: Can Language Models Rebuild Programs From Scratch?
by: Yang, John, et al.
Published: (2026)

From SWE-ZERO to SWE-HERO: Execution-free to Execution-based Fine-tuning for Software Engineering Agents
by: Ludwig, Nikolai, et al.
Published: (2026)

SWE-Replay: Efficient Test-Time Scaling for Software Engineering Agents
by: Ding, Yifeng, et al.
Published: (2026)

SWE-chat: Coding Agent Interactions From Real Users in the Wild
by: Baumann, Joachim, et al.
Published: (2026)

Training Software Engineering Agents and Verifiers with SWE-Gym
by: Pan, Jiayi, et al.
Published: (2024)

SWE-World: Building Software Engineering Agents in Docker-Free Environments
by: Sun, Shuang, et al.
Published: (2026)

TOM-SWE: User Mental Modeling For Software Engineering Agents
by: Zhou, Xuhui, et al.
Published: (2025)

SWE-Master: Unleashing the Potential of Software Engineering Agents via Post-Training
by: Song, Huatong, et al.
Published: (2026)

SWE-rebench: An Automated Pipeline for Task Collection and Decontaminated Evaluation of Software Engineering Agents
by: Badertdinov, Ibragim, et al.
Published: (2025)

Live-SWE-agent: Can Software Engineering Agents Self-Evolve on the Fly?
by: Xia, Chunqiu Steven, et al.
Published: (2025)

SWE-Next: Scalable Real-World Software Engineering Tasks for Agents
by: Liang, Jiarong, et al.
Published: (2026)

SWE-fficiency: Can Language Models Optimize Real-World Repositories on Real Workloads?
by: Ma, Jeffrey Jian, et al.
Published: (2025)

SWE-Universe: Scale Real-World Verifiable Environments to Millions
by: Chen, Mouxiang, et al.
Published: (2026)

SWE-Protégé: Learning to Selectively Collaborate With an Expert Unlocks Small Language Models as Software Engineering Agents
by: Kon, Patrick Tser Jern, et al.
Published: (2026)

Satori-SWE: Evolutionary Test-Time Scaling for Sample-Efficient Software Engineering
by: Zeng, Guangtao, et al.
Published: (2025)

SWE-Bench Pro: Can AI Agents Solve Long-Horizon Software Engineering Tasks?
by: Deng, Xiang, et al.
Published: (2025)

SWE-Skills-Bench: Do Agent Skills Actually Help in Real-World Software Engineering?
by: Han, Tingxu, et al.
Published: (2026)

SWE-MiniSandbox: Container-Free Reinforcement Learning for Building Software Engineering Agents
by: Yuan, Danlong, et al.
Published: (2026)

SWE-rebench V2: Language-Agnostic SWE Task Collection at Scale
by: Badertdinov, Ibragim, et al.
Published: (2026)

SWE-Sharp-Bench: A Reproducible Benchmark for C# Software Engineering Tasks
by: Mhatre, Sanket, et al.
Published: (2025)

SWE-Arena: An Interactive Platform for Evaluating Foundation Models in Software Engineering
by: Zhao, Zhimin
Published: (2025)

SWE-TRACE: Optimizing Long-Horizon SWE Agents Through Rubric Process Reward Models and Heuristic Test-Time Scaling
by: Han, Hao, et al.
Published: (2026)

SWE-Hub: A Unified Production System for Scalable, Executable Software Engineering Tasks
by: Zeng, Yucheng, et al.
Published: (2026)

SWE-Debate: Competitive Multi-Agent Debate for Software Issue Resolution
by: Li, Han, et al.
Published: (2025)

GSO: Challenging Software Optimization Tasks for Evaluating SWE-Agents
by: Shetty, Manish, et al.
Published: (2025)

SWE-RM: Execution-free Feedback For Software Engineering Agents
by: Shum, KaShun, et al.
Published: (2025)

SWE-Flow: Synthesizing Software Engineering Data in a Test-Driven Manner
by: Zhang, Lei, et al.
Published: (2025)

SWE-WebDevBench: Evaluating Coding Agent Application Platforms as Virtual Software Agencies
by: Saxena, Siddhant, et al.
Published: (2026)

SWE-Effi: Re-Evaluating Software AI Agent System Effectiveness Under Resource Constraints
by: Fan, Zhiyu, et al.
Published: (2025)

Challenges and Paths Towards AI for Software Engineering
by: Gu, Alex, et al.
Published: (2025)

Kimi-Dev: Agentless Training as Skill Prior for SWE-Agents
by: Yang, Zonghan, et al.
Published: (2025)

SWE-Lego: Pushing the Limits of Supervised Fine-tuning for Software Issue Resolving
by: Tao, Chaofan, et al.
Published: (2026)

Agents in Software Engineering: Survey, Landscape, and Vision
by: Wang, Yanlin, et al.
Published: (2024)

SWE-Pruner: Self-Adaptive Context Pruning for Coding Agents
by: Wang, Yuhang, et al.
Published: (2026)

Toward Training Superintelligent Software Agents through Self-Play SWE-RL
by: Wei, Yuxiang, et al.
Published: (2025)

SWE-Shepherd: Advancing PRMs for Reinforcing Code Agents
by: Dihan, Mahir Labib, et al.
Published: (2026)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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