Once you’ve done all you should have simulators setup for 12.2, 12.4 and 13.1.Note you can’t do this in Xcode 10 on Catalina due to system read-only partitions. Now go back to Xcode 11 and into preferences > components and install the 12.2 simulator.(You could of course just update the package.json file in the root of the SDK folder and do an npm update but that didn’t work for me.) You can of course rename the existing one as a backup. Next, go to your 7.5.x.GA folder in ~/Library/Application Support/Titanium/mobilesdk/osx/7.5.x.GA and paste the ioslib folder you copied into node_modules, replacing the one there.

Now, go to your 8.2.0.GA folder in ~/Library/Application Support/Titanium/mobilesdk/osx/8.2.0.GA and copy the ioslib in node_modules.

At this point you can work with Xcode 11 using the 8.2.0.GA SDK and install to the iOS 13 Simulators without any issue.

Launch Xcode 11 and let it install the components it needs.

Download and install Xcode 11 from the AppStore.

rename your Xcode.app in /Applications to Xcode10.app.

So assuming you only have XCode 10 installed, here’s what you do: So after some messing around, I’ve got a setup that’s working so here’s how to run Xcode 10 and 11 side-by-side and support 7.5.X and 8.2.X Titanium apps.įirstly, all of this is non-official and non-supported but it’s all easily reversable. I also want to be able to test on iOS 13 SDK of course. My situation is that I’m working on new apps and projects using Titanium 8.2.0.GA but I still need to support projects running 7.5.x.GA so have to be able to work with both. Trying to support clients on multiple SDKs can be hard, especially when for some reason you can’t update them to the latest versions. If you’re working with the Titanium SDK, you’ll no doubt be working on projects that could be using a 7.5.X SDK and others that use the latest 8.2.0.GA SDK. I took the plunge and updated to Catalina last week (and the final release yesterday) and also Xcode 11, which has some breaking changes around simulators and builds that doesn't affect most developers unless you’re working with old versions of Xcode.

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