1
Buddy Visual Tests
合并前自动审查每个UI变动，让视觉回归测试融入开发流程，省心又可靠。
Every UI change, reviewed before merge Discussion | Link
2
What Aggregate Scores Miss: Measuring Item-Level Regressions in Commercial LLM API Migrations
聚合分数掩盖了模型升级中的细节退化，逐项回归分析才是迁移评估的关键。
arXiv:2608.17719v1 Announce Type: cross Abstract: Context: Software systems that depend on commercial large language model APIs must migrate to succes…
3
Turn Chatbot Misunderstandings Into Grammar Regression Tests
用Peggy把聊天机器人的误解变成语法回归测试，轻松定位解析问题。
A custom-grammar bot can be reliable right up until someone types a perfectly reasonable sentence that the grammar author did not anticipate. The unco…
4
Show HN: Agentsnap – Snapshot testing for AI agents
开源快照测试工具，记录AI Agent的LLM和工具调用，支持语义回归测试。
Article URL: https://github.com/iamfaham/AgentSnap Comments URL: https://news.ycombinator.com/item?id=49099464 Points: 4 # Comments: 0
5
Probelock – lockfile for LLM tool calling
像package-lock锁定包版本一样，Probelock用lockfile锁定LLM工具调用的行为一致性，避免量化或版本升级后功能回归。
Article URL: https://github.com/kelkalot/probelock Comments URL: https://news.ycombinator.com/item?id=48842075 Points: 1 # Comments: 0
6
Evaluating LLM-Based Regression Test Generation
LLM回归测试生成效果评估，揭示提交信息表达力对测试生成的影响，值得软件工程研究者关注。
arXiv:2501.11086v2 Announce Type: replace-cross Abstract: Large Language Models (LLMs) have shown tremendous promise in automated software engineering…
7
Show HN: Retrace fork a failed AI agents run, replay it, prove the fix
用装饰器记录AI Agent每次调用，故障复现为回归测试，轻松验证修复是否成功。
Retrace records your AI agents runs so you can replay them step by step, fork from any point to a fix, and share the result as a link Comments URL: ht…
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Show HN: Pybench, Pytest but to check non regression of noisy benchmarks
用 pytest 的丝滑体验，轻松搞定带噪声基准测试的非回归检查，告别手写统计判断。
Article URL: https://github.com/AnthonyBeeblebrox/pybench Comments URL: https://news.ycombinator.com/item?id=48685011 Points: 3 # Comments: 0
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Show HN: Avera – a deterministic check that proves no regression was introduced
仅凭两组结果集即可确定性判断是否引入回归，30 秒零配置接入 CI，拦截意外失败。
Article URL: https://github.com/tc7kxsszs5-cloud/avera Comments URL: https://news.ycombinator.com/item?id=48596140 Points: 1 # Comments: 0
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Show HN: TruLayer – tracing, evals, and a control loop for production LLMs
从追踪到自动修复的LLM生产闭环，25个预置评估器让你不再只看到问题
Article URL: https://trulayer.ai/ Comments URL: https://news.ycombinator.com/item?id=48245217 Points: 2 # Comments: 0