In the upcoming April 2022 release (version 10.0.25/PU49), some changes will be introduced to how the internal access modifier works in X++. Although still not as strict as C#, it will at least fix a few issues with how it works. Note that the InternalUseOnly
attribute is a different feature altogether, and still only generates warnings.
Changes To Internal Access modifier in X++
Joris dG
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This was originally posted here.
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