Reconfiguring TexStudio after upgrade to OS X El Capitan

I found this; change all the folder directories accordingly and it will work for you. It did for me:

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Updated
The previous screenshot has an error, in Makeglossaries, the /usr/texbin/, must be changed to /Library/Tex/texbin/, so that it properly works.
This is how your configuration for OS X 10.11 should look:

The solutions above didn't work for me unfortunately. But I did some mixture of those and it seems to work.

I have a early 2013 MacBook Pro and I have set MacTex 2015 up after upgrading the OS to El Kapitein.

Then I used these settings for TeXstudio (in Preferences from the global TeXstudio menu):

The important thing is, I set the Commands ($PATH) option also to /Library/TeX/texbin as shown below (the very last line in the SS):

It worked for me. I am very happy that I can use TeXstudio again. I hope this would be helpful for you as well.

In "TeXstudio->Preferences":

From the left pane, in the "Build" section, change the "Commands ($PATH)" to:

/Library/TeX/texbin

in the "Command" section from the left pane, add the following in front of "PdfLaTex":

"/Library/TeX/texbin/pdflatex" -synctex=1 -interaction=nonstopmode %.tex

Similarly, if you need to use Xelatex, add the following in front of "XeLaTex":

xelatex -interaction=nonstopmode %.tex

NOTE: These changes are required because in El Capitan, the location /usr is reserved for Apple, and even users with root access are not allowed to write to that location.