If you spend serious time in the Codex desktop app, you've probably felt the friction of scrolling through a 50-turn conversation just to revisit an earlier decision. This week's quality-of-life update targets exactly that kind of daily annoyance, shipping a handful of focused improvements that make the app feel noticeably more polished.
A navigation rail for long threads
The headline addition is a navigation rail for long conversations. Hover over the left gutter of any thread and you get a preview of nearby turns; click one to jump straight there instead of scrolling through everything in between. It's a small interaction, but it changes how you move through dense, multi-hour sessions.
Alongside that, general scrolling in long threads is smoother and your position in the conversation now stays put as you move around the app. Previously, switching away and back could silently reset your scroll position.
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