Having the mst in a dir involving %mainversion% will lead to a maintenance
headache when doing upgrades. I've been using the same mst without problems
for a few years' worth of DC versions.

Automatic initial import of acrobatreaderdc.xml from git@gitlab.developers.cam.ac.uk:ch/co/wpkg/wpkg-packages

Automatic initial import of vlcclient.xml from git@gitlab.developers.cam.ac.uk:ch/co/wpkg/wpkg-packages

Automatic initial import of vscode.xml from git@gitlab.developers.cam.ac.uk:ch/co/wpkg/wpkg-packages

https://www.originlab.com/doc/License/Multi-userDeployment

lic file needs to in \programdata\originlab\license rather than
a path that includes the origin version number

Presumably in the past the installer forked and so we had to wait
for the child process to complete. Now, it looks like we don't.