8.23.3 Can you answer these questions?

8.23.3.1 How can I create a Gantt / Sankey diagram combination?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=639946

Is there a package that would help me create a diagram such as the one below? 
The example diagram can be found in this PATHOCOM project proposal. 
It appears to be a combination of a Gantt and Sankey ... 
[tikz-pgf] [diagrams] [pgfgantt]
 

asked by Diomidis Spinellis https://tex.stackexchange.com/landing/r/digest?cta=user&id=10140 Score of 1

8.23.3.2 How to draw boundary boxes?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=639445

I read this wonderful paper by Alexander Perlis entitled "A complement to \smash, \llap, and \rlap". The author draws the boundary boxes that LaTeX uses for typesetting like so: 
Question: ... 
[boxes]
 

asked by Atom https://tex.stackexchange.com/landing/r/digest?cta=user&id=207649 Score of 1

8.23.3.3 \cite autocompletion in Overleaf shows elements from already-deleted bibliography

https://tex.stackexchange.com/landing/r/digest?cta=question&id=639253

I have added a new bibliography Masterarbeit_V2.bib to Overleaf and deleted the old one. I also changed the reference to \bibliography{Masterarbeit_V2}, cleared cached files and recompiled from ... 
[bibliographies] [bibtex] [overleaf]
 

asked by leolumpy https://tex.stackexchange.com/landing/r/digest?cta=user&id=267550 Score of 2