FirstSpirit 4.2.488 is a maintenance release in our 4.2R4 branch and contains bugfixes and a couple of minor changes.
The release notes are attached to this post.
The new FirstSpirit version is available for download here: http://www.e-spirit.de/download/updateFS42.
You need a personal download login for access. Please contact our Helpdesk if you do not have this personal login