This article applies to:
E-Prime Extensions for Tobii Pro 3.1
The following are known issues in the most recent production release of E-Prime Extensions for Tobii Pro 3.1 (version 220.127.116.11). This list is updated when a new version of E-Prime Extensions for Tobii Pro 3.1 is released.
UPGRADING AN EXPERIMENT - If you plan on upgrading existing EET-enabled experiments from a versions of EET prior to 3.1, please view INFO: Upgrading an Experiment to E-Prime Extensions for Tobii Pro 3.1 (EET 3.1) .
LABS WITH MORE THAN 1 EYE TRACKER - If your lab uses more than 1 type of eye tracker to run experiments, please view INFO: Running in a Lab with more than 1 Eye Tracker  before running a test session.
WINDOWS 8 / 8.1 INSTALLATION ERRORS - System errors may occur if installing EET Runtime components on Windows 8 / 8.1 (BUG: Error occurs while installing on Win 8 / 8.1 ).
ELWAITFORFIXATION VISUAL FEEDBACK - Visual feedback is shown to participants when unspecified (BUG: Unspecified VisualFeedbackColor parameter in TETWaitForFixation still presents visual feedback ).