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Release notes for 2.8.2

OpenSesame 2.8.2 is the second maintenance release in the 2.8 series. If you are upgrading from 0.27.4 or earlier, please also read the 2.8.0 release notes.


Thanks to Daniel Schreij (@dschreij) for his code contributions (as always!).



  • Improve support for psycho backend on OSX
  • Improve support for multiprocessing on OSX
  • Open experiments by dropping on the overview area
  • Add fallback pool folder to facilitate versioning
  • Allow margins, spacing, and theme to be specified in form_multiple_choice plugin (#255)
  • Safely convert messages to unicode in item.log()
  • Fall back to temporary folder when the default logfile is not writable in quickrun mode

Bugs fixed

  • Fix autosave folder dialog on OSX (#250)
  • Fix sampler crashing on filenames with special characters (#244)
  • All items set time_[item name] variables (#243)
  • Do not crash on purely numeric text when using bi-direction language support (#253)
  • Correctly evaluate conditional statements with special characters
  • Fixed confusion in tab manager when saving while having an open and modified item script
  • Fix translation bug for non-ASCII str objects
  • Fix a unicode bug where exceptions with images with special-character paths where obscured

Windows packaging

  • Update included libraries. See modules() output below.
  • Includes a slightly patched version of PsychoPy 1.80.05 that addresses an important issue with keypress timestamps.
OpenSesame 2.8.2
Python 2.7.6 (default, Nov 10 2013, 19:24:18) [MSC v.1500 32 bit (Intel)]
OpenCV is not available
OpenCV2 2.4.9
QProgedit 1.3.2
Expyriment 0.7.0 (Revision 7a6b73d; Python 2.7.6)
NumPy 1.8.1
PIL is available (version is unknown)
PsychoPy 1.80.05-opensesame-1
PyAudio 0.2.7
PyGame 1.9.1release
Pyglet 1.1.4
PyOpenGL 3.0.2
PyQt 4.10.4
PySerial 2.7
python-bidi 0.3.4
python-markdown 2.4
SciPy 0.13.3
Supported by Supported by