7.38.3 Can you answer these questions?

7.38.3.1 Two side by side images of same height with keyfloat

https://tex.stackexchange.com/landing/r/digest?cta=question&id=602062

I recently discovered the excellent keyfloat package, which allows great versatility in images arrangement, but I'm not able to obtain an apparently simple result, resize two side by side figures to ... 
[floats] [keyfloat] [beside]
 

asked by mmj https://tex.stackexchange.com/landing/r/digest?cta=user&id=28685 1 vote

7.38.3.2 QCircuit: How to not overlap inputgrupv label with brackets

https://tex.stackexchange.com/landing/r/digest?cta=question&id=602084

I have a problem trying to label a circuit created with QCircuit but the labels keep overlap the brackets. The idea is that I want to add some space between the label and bracket but I couldn't find ... 
[qcircuit]
 

asked by 23ars https://tex.stackexchange.com/landing/r/digest?cta=user&id=244868 1 vote

7.38.3.3 Black frame in Beamer block

https://tex.stackexchange.com/landing/r/digest?cta=question&id=601826

I have the same problem as in this post Black frame appears in Beamer block? 
I installed a recent Ghostscript  (v. 9.54 ). Can please someone give me more details about   that ps2pdf is invoked with ... 
[beamer]
 

asked by Maja Ao\275ulj https://tex.stackexchange.com/landing/r/digest?cta=user&id=244719 1 vote