5.29.3 Can you answer these questions?

5.29.3.1 Properly connecting adjacent tcolorboxes
5.29.3.2 How to insert a gap between column titles?
5.29.3.3 pgfplots boxplot without outliers, but with extrema
5.29.3.1 Properly connecting adjacent tcolorboxes

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=505511

I would like adjacent tcolorboxes to be connected, but not by using nobeforeafter because I also want the tcolorbox to have normal parskip when it appears alone. That is, the following is what I  ... 
[spacing] [tcolorbox]
 
asked by Xu Jinwen https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=194994 1 vote
5.29.3.2 How to insert a gap between column titles?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=505662

I am trying to produce a latex table from Stata, and I want to group my regressions and add titles. So I used Stata code "esttab, mygroup()". However the table created by this code looks like this: 
... 
[tables]
 
asked by Jiaman https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=195258 1 vote
answered by Cadoiz https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=110394 0 votes
5.29.3.3 pgfplots boxplot without outliers, but with extrema

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=505776

In response to this question asking about how pgfplots boxplots can be produced without outliers, this answer suggested a fix that does not seem to work anymore. (I am not the first to notice this as  ... 
[pgfplots] [boxplot] [statistics]
 
asked by user1362373 https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=18181 1 vote