Xcode 11 Beta SwiftUI Canvas.. not showing?

I'm having the same issue 😟

I'm guessing because tools for SwiftUI development are only available when running on macOS 10.15 beta?

And sadly, I am not. Thanks... I missed that line.

Yes, you are right, in the Xcode release note:

Tools for SwiftUI development are only available when running on macOS 10.15 beta.

This is a serious adoption issue for SwiftUI given the number of companies that block the latest OS version due to security software not being compatible. I was stuck running 10.12 until just a few months ago.

I am running Xcode 11 on MacOS 10.15. The SwiftUI canvas does not show when I click the "+" button. Xcode is broken.

I have a similar issue. on reboot and reload of "Hello World:" SwiftUI the canvas does not appear. I client Editor, then Editor + Canvas, and nothing comes up. I was using the same project minutes ago prior to reboot. I keep building a new project to learn about SwiftUI and canvas .

the + button does work as it adds new editors (files to edit and new this version, I can edit more than 2 files at the same time). On a 27" screen the new xCode is beautiful. fill the screen and usable except SwiftUI and Canvas is not 100% ready which is expected for 11 Beta 1

You may not have overlooked it — the key sentence "To preview and interact with views from the canvas in Xcode, ensure your Mac is running macOS 10.15 beta" doesn't exist in the developer docs in Xcode, so it must have been added more recently. I didn't notice it when I looked at the tutorial online on Tuesday, so it may not have been online then either.

This is disappointing — I was excited to try this out, but there's no way I'm installing the first developer beta of an OS (been burned that way before...)

Temporary solution: use shift + command + L keyboard command to bring up the library, which is the same as what the + button should do.

This is not helped when:

- OS X 10.15 (19A501i)

- Xcode 11.0 beta 3 (11M362v)

- Playground

Still paused, can't resume preview 😟