# Essentials Release 4.21
May 2025
We upgraded! What's new? Learn more about new features, technical changes and solved bugs in 4App Essentials.
Note on upgrading: If you skip a version when upgrading, check all release and patch notes in between for important information. They apply cumulative.
Note on individualization: If your 4ALLPORTAL is highly customized or if you installed individual apps, please contact your implementation partner before upgrading. We recommend checking your custom contents, especially layouts and object renderers, carefully after an upgrade.
# Technical Changes
This release is purely technical with no visible changes. Under the hood, however, we have cleaned up the code, optimized the performance or prepared the compatibility with future releases of other 4Apps.
# Patch releases
# Version 4.21.1
- Fix the configuration of the task module by replacing all editable fields
assignees
withadditional_permission
.
# Version 4.21.2
- Fix upgrade script 109.LO that had problems transferring task assignees and their additional permissions from Core 3.10 to 4.x