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@jskoiz reports the updated Build iOS Apps plugin's first pass produced 45% and…

2026-06-04 · 19:05 UTC ·@jskoiz ·0 min read

Brief

The updated Build iOS Apps plugin achieved 45% and 55% reductions in loading times on a first pass, per @jskoiz (2026-06-04). OpenAI Developers posted a video demo showing the plugin embedded in Codex, enabling in-app browser testing, SwiftUI preview inspection, and hot-reload edits to streamline the iOS development loop.

Why it matters

@jskoiz reports the updated Build iOS Apps plugin's first pass produced 45% and 55% reductions in loading times (tweet published 2026-06-04).

Key details

  • OpenAI Developers (@OpenAIDevs) demo shows the plugin integrated into Codex, allowing Codex to view and test iOS apps in an in-app browser, open SwiftUI previews, and hot-reload edits without leaving Codex.
  • A video demo (OpenAIDevs status 2062599291479478275) illustrates the iOS app loop running inside Codex alongside the new Build iOS Apps plugin functionality.
Source evidence

First pass with the updated Build iOS Apps plugin yielded 45% & 55% reduction in loading times. 👀🔥

OpenAI Developers (@OpenAIDevs)

More of the iOS app loop, now inside Codex.

The Build iOS Apps plugin lets Codex view and test your iOS app in the in-app browser, open SwiftUI previews, and hot reload edits without leaving Codex.

Video

— https://nitter.net/OpenAIDevs/status/2062599291479478275#m