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Notes on Nuclos 4.47
Special upgrade notes for Nuclos 4.47 beyond the regular release notes.
REFERENCE ADMINISTRATORS UPDATED: JUL 2026 APPLIES TO NUCLOS 4.2026.X
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Machine-translated – under review
This page was machine-translated from German as a first draft and is currently under review. The authoritative source remains the German original (see the language switch above).
The notes on this page highlight special changes that require separate mention beyond the release notes. This applies in particular when upgrading to a new Nuclos release requires certain additional preceding or subsequent measures that must be observed to avoid unwanted behavioral changes or side effects introduced by new features.
Web client
Web client: colored background in fields is no longer displayed
Colored backgrounds are configured for various fields in the layout. These are not displayed in the web client.State model
State model at the top edge for new objects
When you are in the edit form of an object with a state model, it is displayed at the top edge with the standard path.
If you now create a new object, this state model disappears before the first save.
Because of this behavior all the input fields also "slide" upward and end up in a different position.
This behavior is confusing and annoying for the user, especially when creating several objects in a row.
Formatting
Formatting of the date display
The date display should be able to show the calendar week.Formatting
Windows service cannot be started with Java > 8
Nuclos cannot be started as a Windows service if a JDK > 8 (Java 11 in this case) is specified as the Java runtime during installation.The cause is that when Tomcat is started via the service, the JVM argument -Djava.endorsed.dirs is passed, among others. This argument has not been supported since Java 9, so the JVM cannot be started by the service.
Data sources
The string "null" becomes the number 0 in a numeric parameter (as of 4.47.1)
Empty number parameters are now always represented by the value 0 (e.g. an empty Long parameter $idBO that passes an ID in a VLP must now be evaluated with $idBO = 0 instead of $idBO = null).
See NUCLOS-9216 - Abrufen der Vorgangsdetails... STATUS .
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