Nuclos 4.2025.4 upgrade notes: special measures to observe when updating.

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open book Notes on Nuclos 4.2025.4

Special upgrade notes for Nuclos 4.2025.4 beyond the regular release notes.

On this page

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.

The Stateful interface of the nuclos-api now extends the BusinessObject class. Adjustments to rule classes that define a generic type T which extends both BusinessObject and Stateful are necessary.

Since Stateful now extends BusinessObject itself, a typecast from Stateful to BusinessObject is no longer necessary.