I have found a few broken links throughout the entire Apps SDK documentation. These appear to be part of the future implementation for app submissions and may be serving as placeholders for now, but I haven’t seen anyone report on them, so I wanted to mention this just in case.
Platform Playground link at Connect FromChat GPT redirects to https://developers.openai.com/apps-sdk/deploy/`https:/platform.openai.com/chat` (Page Not Found)
Release notes link at Deploy your app redirects to https://developers.openai.com/apps-sdk/release-notes (Page Not Found)