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OpenSesame 2.9.3 "Hesitant Heisenberg" released!

edited February 2015 in OpenSesame

I'm pleased to announce the release of OpenSesame 2.9.3 "Hesitant Heisenberg". This is the third maintenance release in the 2.9 series, containing bugfixes and minor improvements, and should be a safe and pleasant upgrade for everyone. The most notable improvement is massively improved performance when working with large experiments.

As always, get your copy from here:

Release notes

Taken from:

OpenSesame 2.9.3 is the fourth maintenance release in the 2.9 series. If you are upgrading from 2.8.3 or earlier, please also read the 2.9.0 release notes.


Bugs fixed:

  • Font size was specified in points instead of pixels in GUI
  • Legacy back-end crashed when specifying system font in general properties
  • Show arrow-size field in sketch## pad
  • Fix a bug where description changes weren't applied


  • Allow descriptions to wrap over multiple lines for better screen use
  • Massively improved performance for large experiments (#305)

Windows packaging:

OpenSesame 2.9.3
Python 2.7.8 (default, Jun 30 2014, 16:03:49) [MSC v.1500 32 bit (Intel)]
OpenCV is not available
OpenCV2 2.4.10
QProgedit 2.1.0
Expyriment  (Revision ; Python 2.7.8)
NumPy 1.9.1
PIL is available (version is unknown)
PsychoPy 1.80.05-opensesame-1
PyAudio 0.2.8
PyGame 1.9.1release
PyGaze 0.5.0~opensesame3
Pyglet 1.1.4
PyOpenGL 3.1.0
PyQt 4.11.3
PySerial 2.7
python-bidi 0.3.4
python-markdown 2.5.2
SciPy 0.14.0

There's much bigger issues in the world, I know. But I first have to take care of the world I know.

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