Core Engine Release 5.8

April 2026

We upgraded! What's new? Learn more about new features, technical changes and solved bugs in 4App Core Engine.

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.

Solved Bugs

• Fix the ability to configure a custom value for selection renderers with the attribute multiple_value=true. Custom values for multiple values in a dropdown are not supported.
• Fix the buttons where the texts of the labels ran off the edge

Patch releases

Version 5.8.1

• Fix download profiles incorrectly outputting images in RGB color space instead of the configured CMYK color space

Version 5.8.2

• Fix security vulnerabilities
• Fix download profiles incorrectly outputting images in grayscale color space for images with RGB color space and only one color channel