NHibernate 5.3.15 released

NHibernate 5.3.15 is now released.

For a list of resolved issues & pull requests, see the milestone or the release notes.

Binaries are available on NuGet and SourceForge:
https://sourceforge.net/projects/nhibernate/files/NHibernate/5.3.15/
https://www.nuget.org/packages/NHibernate/5.3.15

4 issues were resolved in this release.