I hit it when I was working on WinSW CI PoC. Finally had to just run powershell with this script: https://blogs.msdn.microsoft.com/dotnetinterop/2008/04/21/powershell-script-to-batch-update-assemblyinfo-cs-with-new-version/ . But it would be great to have a support for it in the plugin.

In order to do so, the build step should implement SimpleBuildStep