Stambia DI Designer S19.0.11 and Stambia DI Runtime S17.5.7 are available at download.
They both features a list of fixed new features and fixed issues, which can be found in the release notes and changelogs.
The release notes can be found here: Designer release note, Runtime release note
The changelogs here: Designer changelog, Runtime changelog
And the download pages here: Designer download, Runtime download