For GOS 4.2 a new patch level is available:
This update is a collection of various bug fixes. Notably, this version opens the migration to GOS 4.3 for the GSM 100 model.
When migrating GSM ONE or GSM 100 to GOS 4.3: Please make sure you upgrade first to 4.2.22, reboot, and only then execute the release switch. As always we recommend to create a backup before switching the release.
The upgrade from GOS 4.2 to 4.3 is seamless and almost as simple as a patch level upgrade. The upgrade process can take up-to 30 minutes.
In total the patch level covers 9 improvements.