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OpenSesame 2.9.1 "Hesitant Heisenberg" (maintenance) available!

edited December 2014 in OpenSesame

I'm happy to announce the release of OpenSesame 2.9.1 "Hesitant Heisenberg". This is the first maintenance release in the 2.9 series, and fixes a number of bugs. It is a recommended update for everyone. As always, you can download OpenSesame from here:

Release notes

OpenSesame 2.9.1 is the first 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.


Thanks to Timo Lüke for updating the German translation.


Bugs fixed

  • Fix resetting font size and family in sketchpad (#284)
  • Fix rounding issue in canvas._gabor() (#283)
  • Better detection of Exception messages (#285)
  • Fix a race condition when dropping an item on a loop or sequence
  • Fix broken context menu in sketchpad when running a translation (#287)
  • Correctly parse variables in video_player plug-in (#288)
  • Use new sketchpad-element icons also in 32x32 size
  • Fixed a bug when reducing and canceling the number of cycles in a loop
  • Fixed display of font style in sketchpad widget
  • Include PyQt4 plugins in Windows build


  • Application-wide keyboard shortcuts for tab switching
  • Add close current tab action
  • Improved focus behavior

Translation updates

  • Update German translation (de_DE)

Windows packaging

  • Update included libraries. See modules() output below.
  • Includes a snapshot of PyGaze (0.5.0~opensesame-3)
  • Includes a slightly patched version of PsychoPy 1.80.05 that addresses an important issue with keypress timestamps. (Unchanged from 2.8.2.)
OpenSesame 2.9.1
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 2.0.5
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 0.2.8
PyGame 1.9.1release
PyGaze 0.5.0~opensesame3
Pyglet 1.1.4
PyOpenGL 3.1.0
PyQt 4.11.1
PySerial 2.7
python-bidi 0.3.4
python-markdown 2.4.1
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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