Transclusion for boxes is supported since version 2.3.
projectdoc-section
title
Details
Transclusion
document
print-quirk-modes Hint for Box Macros
ids
Content
Section
level
2
title
Open Questions
Projects often have to deal with open questions. Usually this is highlighted by the use of the Pending Box. This indicates that there is an open issue to be dealt with or information missing.
But teams are free to define the semantics for their boxes by themselves.