Purr Data 10.11 running successfully on osx 10.10.5 yosemite. load preferences correctly.
@jancsika thank you very much for your time and dedication

MacBook-Pro-de-Federico:~ federicocogo$ /Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork -verbose
Pd-L2Ork version 2.3.3 (20171004-rev.fb96e06)
compiled 22:20:01 Oct 4 2017
port 5400
Trying Wish at "/Applications/Pd-l2ork.app/Contents/Resources/app.nw/../../MacOS/nwjs"
"/Applications/Pd-l2ork.app/Contents/Resources/app.nw/../../MacOS/nwjs" --user-data-dir="/Volumes/Macintosh HD/Users/federicocogo/Library/Application Support/purr-data" "/Applications/Pd-l2ork.app/Contents/Resources/app.nw" 5400 localhost pd-l2ork "/Applications/Pd-l2ork.app/Contents/Resources/app.nw" x100316e30Waiting for connection request...
[1010/182510.626316:WARNING:chrome_main_delegate.cc(565)] final extension: .nw
... connected
Pt_Start() called

printed this

Welcome to Pd GUI using Node-Webkit
0.22.1
font stack check: using optimal font sizes.
Pd has started the GUI
canvasinfo: v0.1
stable canvasinfo methods: args dir dirty editmode vis
pdinfo: v.0.1
stable pdinfo methods: dir dsp version
classinfo: v.0.1
stable classinfo methods: size
objectinfo: v.0.1
stable objectinfo methods: class
[import] $Revision: 1.2 $
[import] is still in development, the interface could change!
compiled against Pd-l2ork version 2.3.3 (20171004-rev.fb96e06)
input channels = 2, output channels = 2
working directory is /Volumes/Macintosh HD/Users/federicocogo
input channels = 2, output channels = 2
input device 0, channels 2
output device 1, channels 2
framesperbuf 64, nbufs 13
rate 44100
... opened OK.

MacBook-Pro-de-Federico:~ federicocogo$ /Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork
[1010/173803.704144:WARNING:chrome_main_delegate.cc(565)] final extension: .nw
Pt_Start() called

run Purr data without loading pref

MacBook-Pro-de-Federico:~ federicocogo$ Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork
-bash: Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork: No such file or directory

MacBook-Pro-de-Federico:~ federicocogo$ plutil -convert json -r -o - Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork | sed -E -e 's/[{}]//g' -e 's/^ "(([^"]|\.))" : "(([^"]|\.))"./\1: \3/' -e 's/\(.)/\1/g'
Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork: file does not exist or is not readable or is not a regular file (Error Domain=NSCocoaErrorDomain Code=260 "The file “pd-l2ork” couldn’t be opened because there is no such file." UserInfo=0x7fdb6a5037f0 NSFilePath=Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork, NSUnderlyingError=0x7fdb6a503560 "The operation couldn’t be completed. No such file or directory")
MacBook-Pro-de-Federico:~ federicocogo$

terminal loads it but purr data still does not recognize preferences

placing another path gives as a result:

MacBook-Pro-de-Federico:~ federicocogo$ plutil -convert json -r -o - /Volumes/Macintosh HD/Users/federicocogo/Library/Preferences/org.puredata.pd-l2ork.plist | sed -E -e 's/[{}]//g' -e 's/^ "(([^"]|\.))" : "(([^"]|\.))"./\1: \3/' -e 's/\(.)/\1/g'
/Volumes/Macintosh: file does not exist or is not readable or is not a regular file (Error Domain=NSCocoaErrorDomain Code=260 "The file “Macintosh” couldn’t be opened because there is no such file." UserInfo=0x7feef9601640 NSFilePath=/Volumes/Macintosh, NSUnderlyingError=0x7feef96013b0 "The operation couldn’t be completed. No such file or directory")
HD/Users/federicocogo/Library/Preferences/org.puredata.pd-l2ork.plist: file does not exist or is not readable or is not a regular file (Error Domain=NSCocoaErrorDomain Code=260 "The file “org.puredata.pd-l2ork.plist” couldn’t be opened because there is no such file." UserInfo=0x7feef9513b80 NSFilePath=HD/Users/federicocogo/Library/Preferences/org.puredata.pd-l2ork.plist, NSUnderlyingError=0x7feef95062c0 "The operation couldn’t be completed. No such file or directory")
MacBook-Pro-de-Federico:~ federicocogo$

console content:

Welcome to Pd GUI using Node-Webkit
0.22.1
font stack check: using optimal font sizes.
GUI is starting Pd...
GUI listening on port 5400 on host 127.0.0.1
gui_path is /Applications/Pd-l2ork.app/Contents/Resources/app.nw
binary is /Applications/Pd-l2ork.app/Contents/Resources/app.nw/bin/pd-l2ork
Pd started.
incoming connection to GUI
canvasinfo: v0.1
stable canvasinfo methods: args dir dirty editmode vis
pdinfo: v.0.1
stable pdinfo methods: dir dsp version
classinfo: v.0.1
stable classinfo methods: size
objectinfo: v.0.1
stable objectinfo methods: class
[import] $Revision: 1.2 $
[import] is still in development, the interface could change!
compiled against Pd-l2ork version 2.3.3 (20171004-rev.fb96e06)
working directory is /Volumes/Macintosh HD/Users/federicocogo

did not work

terminal content:

MacBook-Pro-de-Federico:~ federicocogo$ plutil -convert json -r -o - ~/Library/Preferences/org.puredata.pd-l2ork.plist | sed -E -e 's/[{}]//g' -e 's/^ "(([^"]|\.))" : "(([^"]|\.))"./\1: \3/' -e 's/\(.)/\1/g'

path31: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/ekext
loadlib8: list-abs
loadlib14: motex
rate: 44100
loadlib28: jmmmp
path5: /System/Library/Frameworks/JavaVM.framework/Versions/1.5.0/Home/lib/fonts
path11: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/list-abs
nomidiin: True
loadlib17: pdogg
path14: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/maxlib
nloadlib: 35
path17: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/motex
noaudioin: False
nomidiout: True
audiobuf: 20
loadlib32: ekext
callback: 0
path20: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/pdogg
audiooutdev1: 0 2
path23: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/sigpack
noaudioout: False
path26: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/pan
loadlib21: sigpack
path6: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/cyclone
loadlib35: lyonpotpourri
path29: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/ext13
savezoom: 0
loadlib3: cyclone
loadlib10: markex
loadlib24: vbap
loadlib6: cxc
guipreset: default
path32: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/disis
audioindev1: 0 2
loadlib13: mjlib
loadlib27: hcs
loadlib9: mapping
path1: /System/Library/Fonts
npath: 33
loadlib16: pddp
path12: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/mapping
path7: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/zexy
path15: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/memento
path18: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/oscx
loadlib19: pmpd
flags: -helppath ~/Library/Pd-l2ork -helppath /Library/Pd-l2ork
loadlib31: iem_anything
midiapi: 4
path21: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/pixeltango
path2: /Library/Fonts
path24: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/smlib
loadlib34: disis
loadlib20: rradical
path27: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/hcs
path8: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/creb
loadlib1: libdir
nmidiin: 0
loadlib23: unauthorized
loadlib4: zexy
path30: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/ggee
loadlib12: memento
loadlib7: iemlib
loadlib26: freeverb~
path33: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/lyonpotpourri
loadlib15: oscx
naudioin: 1
loadlib29: ext13
path10: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/iemlib
verbose: 0
path3: ~/Library/Fonts
path13: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/markex
path9: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/cxc
loadlib18: pixeltango
path16: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/mjlib
path19: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/pddp
defeatrt: 0
naudioout: 1
loadlib30: ggee
blocksize: 64
path22: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/rradical
loadlib33: pdp
standardpath: 1
path25: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/unauthorized
path4: /usr/X11R6/lib/X11/fonts/TTF
nmidiout: 0
path28: /Applications/Pd-l2ork.app/Contents/Resources/app.nw/extra/jmmmp
loadlib22: smlib
loadlib2: Gem
loadlib5: creb
audioapi: 4
loadlib25: pan
loadlib11: maxlib

MacBook-Pro-de-Federico:~ federicocogo$