Add notes for iOS compiling documentation (#3594)

Author: ann0see

COMPILING.md

@@ -6,7 +6,7 @@
 - For unattended installs, see the contributed [installation scripts](https://github.com/jamulussoftware/installscripts)
 - The [Autobuild scripts](https://github.com/jamulussoftware/jamulus/tree/main/.github/autobuild) although only optimized to be used by the CI, might help you understand the process of setting up a build environment
 - There are reports from people who successfully compile and run Jamulus on BSDs.
-- Android and iOS are not officially supported.  However, [binaries are generated by the autobuild process](https://github.com/jamulussoftware/jamulus/releases/latest) in the Jamulus repository.
+- Android and iOS are not officially supported fully.  However, [binaries are generated by the autobuild process](https://github.com/jamulussoftware/jamulus/releases/latest) in the Jamulus repository.
 
 ---
 
@@ -157,7 +157,7 @@ If you want to build the installer, please run the `deploy_mac.sh` script: `./ma
 ## iOS
 
 1. Install [Xcode from the Mac AppStore](https://apps.apple.com/us/app/xcode/id497799835?mt=12)
-2. [Download and install Qt5 with the Qt Installer](https://www.qt.io/download) (not homebrew). Explicitly select iOS when choosing the Qt version
+2. [Download and install Qt5 with the Qt Installer](https://www.qt.io/download) (not homebrew, Qt6 is found to be buggy). Explicitly select iOS when choosing the Qt version
 3. Go to the folder of the Jamulus source code via terminal and run `/path/to/qt/5.15.2/ios/bin/qmake -spec macx-xcode Jamulus.pro` to generate an .xcodeproject file
 4. Open the generated .xcodeproject in Xcode
 5. Go to the Signing & Capabilities tab and fix signing errors by setting a team. Xcode will tell you what you need to change.