Regression testing

Assess

Techniques

A testing method that checks whether new changes break existing behavior.

Why it's here

Placed in Assess: 2 article(s) of evidence from 2 source(s), led by open-source activity, with 1 in the last 30 days. Confidence 40%.

5InfoQ·8/8/2026research
OpenAI Uses Always-On Agents to Keep ChatGPT Fast
Martin Spier describes how agentic workflows at OpenAI have sharply increased the volume and pace of code changes. He says the company is using always-on AI agents to automate profiling, regression detection, and continuous optimization to preserve performance at global scale.
8Hacker News·7/9/2026open_source
Rust Reimplementation of Postgres Passes All Regression Tests
A project on GitHub reports a Postgres reimplementation written in Rust that now passes 100% of the PostgreSQL regression test suite. The milestone suggests substantial functional compatibility, though it does not by itself establish production readiness or performance parity with upstream PostgreSQL.