OpenAI Symphony uses Linear issue tracking as an orchestration layer, binding Codex‑driven agents to issues instead of sessions, which boosted PR output by 500% in three weeks and sparked a shift toward an agent‑centric software engineering paradigm.
OpenAI quietly open‑sourced Symphony, an Elixir‑based multi‑agent orchestration framework that integrates with Linear to automate task assignment, sandboxed execution, proof‑of‑work validation and PR submission, shifting developers from code‑watching to project‑management roles while requiring harness engineering for machine‑readable codebases.
This article shows step‑by‑step how to create a more authentic‑looking loading bar with pure CSS by using a container element, a ::before pseudo‑element, keyframe animations, easing functions like cubic‑bezier and the new linear() function, and finally how to finish the bar instantly with CSS variables and a tiny JavaScript trigger.
