I have the same setup as you: Xcode 16.4 with iOS 18.5, installed Xcode 26 beta 3, and my iOS 18.5 was removed. However, when I closed Xcode 26, opened Xcode 16.4 and opened one of my projects, the run destination in the project window was an iOS 18.5 simulator but it said iOS 18.5 wasn't installed. I just clicked Get in the Xcode Settings > Components window and it all worked fine. Can you open Disk Utility and look in the left-hand pane? At the bottom is a "Disk Images" section. I have "iOS 18.5 Simulator Bundle" and "iOS 18.5 Simulator" there, and they're both mounted. Maybe you've got the runtimes installed but somehow they aren't mounted?

I gave you the link to the Contact Us page. Click it, use the options to get the phone number for your country. It's not difficult.

Right, well, information like that should be provided upfront so we can offer appropriate help. Okay, what size screenshots for an iPad do you have? You could always use a smaller image, like one for the 11-inch iPad, and scale it up to the right dimensions. Or, you could make an image that fits the 13-inch size requirements but contains the 11-inch image instead. Think of a gradient coloured background with an image of an 11-inch iPad showing your app, and having some text at the top or bottom. Take a look at other apps on the Store, and see what they do with their screenshots.

Are you trying to sign up and pay for an Apple Developer account? Have you tried the Contact Us page listed at the bottom of every page on here? https://developer.apple.com/contact/ There are phone options.

Can't you just use the iPad 13 Simulator via Xcode?

I've got an iPhone 13 mini on iOS 26 beta 3, and the search field is at the bottom of the screen. If it's definitely not there on the iPhone 15 Pro, then you should raise a bug in the usual way at: https://feedbackassistant.apple.com/ then post the FB number here.

Given you're now back on iOS 18.5, this is not an issue in the beta. Your question is more of a product support one, so I'd suggest you ask it over at the Apple Support Forums. Thanks.

If you have a suggestion, you should raise it at: https://www.apple.com/feedback/

Let's go through this one issue at a time: "I couldn't build my app": Why not? What error(s) are you seeing? Being unable to build your app has nothing to do with running your app on a Simulator or device (other than it needing to build before you can deploy it). "tried to create a simulator with iOS18 but it didn't show up": Meaning you don't have iOS 18.5 installed. "I tried deleting iOS18 platform and downloading it again": Where from? Xcode > Settings > Components? That's the best place to manage your installed runtimes. "I tried deleting Xcode Beta but it didn't solve the problem": The Xcode and Xcode-beta apps are entirely separate from the installed runtimes. The runtimes are installed in a separate location, which is very flexible because it saves disk space by allowing them to be shared between any installed Xcode apps. "I deleted Runtimes folder, it didn't solve": Don't do this. Use Xcode's Settings > Components to manage your runtimes. So, let me know what's listed in your Xcode (not Xcode-beta) app's Settings > Components window. If iOS 18.5 is listed but not installed, try clicking "Get" to install it.

Beta 3 of what? iOS, iPadOS, Xcode? I can't reproduce this on Xcode 26 beta 3 with iOS 26 beta 3, or Xcode 26 beta 3 with iOS 18.5. Do we need more code than you've given, maybe?

There's no need to create a new post just to change something. You have one hour after creating your original post to edit it and make changes. If you're outside of that one-hour window - which you aren't - just reply to your original post. Duplicate posts clutter the forums. I'm marking this one as a duplicate, so your updated one remains.

Have either of you raised a Feedback report? If not, please do so at https://feedbackassistant.apple.com/ then post the FB number(s) here.

Have you raised a Feedback report? If not, please do so at https://feedbackassistant.apple.com/ then post the FB number here.

The thing to do here is to raise this as a bug so that Apple can update the documentation. You can do so at: https://feedbackassistant.apple.com/ Just mentioning it in a post on the Developer Forums is unlikely to get that change actioned, because we're just random developers like you.