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OpenSesame 3.2.7 "Kafkaesque Koffka" released

About this update

OpenSesame 3.2.7 Kafkaesque Koffka is the seventh maintenance release in the 3.2 series. It contains bug fixes and minor improvements, and should be a pleasant and safe upgrade for everyone who is using the 3.2 series. As always you can download OpenSesame from here:


A notable improvement in this release is a significant update to the OSWeb extension ( This now allows you to embed basic JavaScript in your experiment. For more information, see:

If you are upgrading from OpenSesame 3.1 or earlier, please see the list of important changes:


Thanks to:

@Daniel for his work on OSWeb and the Mac OS package

Bug fixes and improvements


  • Updated to 3.2.7
  • Issue #635: Canvas.copy() doesn't work for legacy backend (Bug)
  • Issue #643: Go back to loop tab after closing loop preview (Enhancement)
  • Issue #650: Text_input widget freezes after a while when using xpyriment backend (Bug)
  • Issue #651: Text_input form widget does not accept all characters with psycho backend (Bug)
  • Issue #652: Killing a killed experiment triggers Exception (Bug)
  • Issue #655: Cannot refer to canvas attribute of a sketchpad in coroutines before sketchpad onset (Bug)
  • Issue #656: Psycho back-end interprets orientation of Gabors horizontally mirrored. (Bug)


  • Updated to 0.9.14


  • Updated to 4.1.2


  • Updated
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