When people have problem to run Java application in macOS we need to understand why.

Siemens have made clear they are using AWS Corretto v11.0.13.8.1 JRE for LOGOComfort 8.4. This version of JRE we could find here: https://github.com/corretto/corretto-11/releases/tag/11.0.13.8.1

If we read AWS FAQ for AWS Corretto support section.

Q: What operating systems does Corretto 11 support?

Corretto 11 installation packages are distributed by Amazon for Linux (glibc), Linux (musl-libc), Windows, and macOS.

Windows builds are supported on versions 10 or later, Server 2016, Server 2019, and Server 2022.

macOS builds are supported on all versions of macOS still receiving security patches from Apple. Currently supported versions are 12 (Monterey) or later on x64 (Intel), and aarch64 (M1) architectures.

Linux (glibc) builds are supported on Red Hat Enterprise Linux 6+, CentOS 6+, Ubuntu Linux 14+, Debian Linux 8+, Amazon Linux AMI, and SuSE 12+.

Linux (musl-libc) builds are supported on Alpine Linux 3.16+.

My point

For future support of macOS platform and modern system a user need to upgrade to LOGOComfort version 8.4. The reason is AWS Corretto or OpenJDK for that matter do not support older OS. Still Siemens CD of LOGOComfort 8.x and make reference to the first build of Mac OS X that dropped PowerPC (10.6). Lets say there is security issue in Java what do you do if you old system is not supported. I'm not sure how many Siemens LOGOComfort CD there is but maybe its time to drop support for older Mac OS X. It looks to me when Siemens do not include VM in the install CD of the software for Mac platform it become a problem if we do not know what JRE to use.

Siemens, maybe its time to update the Siemens LOGOComfort CD's ;)

Most of the time in modern macOS environment you are not able to run modern application on Mac OS X Snow Leopard (10.6). Some developers call this kind of support for legacy support.  If you are running LSC 8.3 on supported OS older and Monterey and do the web upgrade to 8.4. The OS is not longer supported. (Read the text above). That is exactly what could happen in macOS environment. It would not make any sense to believe LSC 8.4 has support for older OS and Monterey if AWS Corretto JRE version 11 doesn't..

I could understand why people have problem with LSC with macOS compare to Windows. Because application A is running doesn't mean it's supported on that platform. As users we have to accept that or find other solutions if it breaks. That is the life for many Mac users because Apple is not afraid of breaking things for innovations or steer the development direction on their platforms and that is not the same for Windows environments that need to support 20 years of legacy apps. Why change anything for better experience or modern when the app are still running. That is the approach many developers are taking in Windows. When Mac developers are forced to change or adapt for modern systems. The coin have 2 side and no computer is useful if no software to run it on. And sometimes the only way to innovate is to break old behavior.   

I'm not trying to make this post to be more confusing. But when users are saying LSC support legacy Mac OS X and later talk about the latest version of LSC they do not understand the background of it.

Another concern is the processor type when they compile their software.  The type results as the Kind of Application (ie. Intel, Apple silicon, or Universal binary).  For those not familiar with the application type, it tells the macOS for what processor the application is ready to run.  For Intel type applications, when installed on Apple silicon Macs (M1, M2, etc), macOS will run them using Rosetta (while it is still supported).  Of course, on Intel Macs, macOS will run them as is.  For Universal types, they contain both types of code, so they are ready to run on any Macs.  For Apple silicon type applications, there is no option to run them on Intel Macs.

Back to my concern.  The latest macOS Tahoe 26 is the last one to support Intel processors, including the software layer Rosetta for Apple silicon Macs.  Since LSC is currently compiled as Intel type, I assume it should runs on Tahoe (not verified), but will definitely not run on the next major macOS.

My added point.  Any LSC upgrades or DVD releases should be in Universal binary type, so they will continue to run with the future macOS updates, and also run for those that still have older Intel Macs.