Since ISOMAG is no longer being further developed by the BAuA within the framework of R&D activities, no updates have been available for some time. The correct execution of ISOMAG under current operating system versions is only possible to a limited extent. There have already been problems with report generation for some time, and ISOMAG unfortunately no longer works at all with certain Windows 10 versions. Updates or the release of a new version of ISOMAG is not planned.

With regard to a replacement for ISOMAG, the manufacturer of the software, ESI ITI GmbH, published a blog post in March 2022:
https://www.esi-group.com/blog/looking-for-a-replacement-for-isomag