Data Viewer Release History (through version 1.11.900)
Last Updated March 31st, 2025
Version 5.2.1 (Released 19.01.2026)
This release runs on 64-bit Windows 10 or 11 (with Intel or AMD processors)
Version 5.1.1 (Released 31.03.2025)
This release runs on 64-bit Windows 10 or 11 (with Intel or AMD processors)
Version 4.5.1 (Released 19.01.2026)
This release runs on Windows (10 or 11), macOS (10.14.6 or later), and Linux (Ubuntu 64bit, 20.04 LTS or later)
Version 4.4.1 (Released 08.04.2024)
Version 4.3.210
Version 4.3.1
Data Viewer now runs on Windows 7, 8, 10, or 11, macOS (10.11 or later), and Linux (Ubuntu 64bit, 18.04 LTS or later).
Last Updated March 31st, 2025
Version 5.2.1 (Released 19.01.2026)
This release runs on 64-bit Windows 10 or 11 (with Intel or AMD processors)
- Added Data Loading preference: Allow Aperiodic Samples
- Updated HASP driver
- Improved video playback stability and fixed related bugs
- Updated VRFAME message format
- Added WebLink preference: Video Offset for WebLink/PCP
- Other general fixes and performance improvements
Version 5.1.1 (Released 31.03.2025)
This release runs on 64-bit Windows 10 or 11 (with Intel or AMD processors)
- Support for EyeLink 3
- Added support for plotting and exporting EyeLink 3 data, including Gaze, Head-in-Space, Eye-in-Head, and Six-Degrees-of-Freedom head tracking data (X, Y, distance, pitch, yaw, roll)
- Improved Temporal Graph View for configuring and plotting EyeLink 3 data
- Enabled visualization of Gaze, Head-in-Space, and Eye-in-Head data in the Spatial Overlay and Animation Playback views
- Added new variables in the Sample, Fixation, and Saccade reports to include eye and head tracking data and pupil ellipse data
- Reports marker tracking status in the trial properties, sample info dialog box, and sample report
- Added/updated Preference Settings to support enhanced data visualization
- Support for playback of Eye Video recordings if available in the session
- Added support for plotting and exporting EyeLink 3 data, including Gaze, Head-in-Space, Eye-in-Head, and Six-Degrees-of-Freedom head tracking data (X, Y, distance, pitch, yaw, roll)
- Redesign of the software GUI
- Added application theme
- Introduced a Timeline
- Added an Integrated View and History Panel
- Added an Interest Area Editor
- Added application theme
- Video Playback Enhancements
- Supports playback of EyeLink 3 eye video recordings
- Supports playback of Participant Camera Plugin video recordings
- Added support for playing back video clips with resized frames
- Supports playback of EyeLink 3 eye video recordings
- Allows the creation of new interest periods based on viewable data in the Temporal Graph View
Version 4.5.1 (Released 19.01.2026)
This release runs on Windows (10 or 11), macOS (10.14.6 or later), and Linux (Ubuntu 64bit, 20.04 LTS or later)
- Added Data Loading preference: Allow Aperiodic Samples
- Updated HASP driver
- Updated VRFAME message format
- Added WebLink preference: Video Offset for WebLink/PCP
- Other general fixes and performance improvements
Version 4.4.1 (Released 08.04.2024)
- Improvements in handling display scaling and dialog box placement on Windows
- Improved the interface for multiple EDF file importing on macOS and fixed bugs related to file import/export navigation panel
- Added SAMPLING_RATE to Fixation, Interest Area, Message, Saccade, Sample, Trial Reports
- Added x, y coordinate of the launch site variables in the Interest Area Report: IA_FIRST_RUN_LAUNCH_X/Y, IA_SECOND_RUN_LAUNCH_X/Y, IA_THIRD_RUN_LAUNCH_X/Y, and IA_LAST_RUN_LAUNCH_X/Y
- Added the following variables to the Saccade Report: CURRENT_SAC_START/END_INTEREST_AREA_GROUP, NEXT_SAC_START/END_INTEREST_AREA_GROUP, PREVIOUS_SAC_START/END_INTEREST_AREA_GROUP
- Added the following variables to the Sample Report: AVERAGE_INTEREST_AREA_GROUP, LEFT_INTEREST_AREA_GROUP, RIGHT_INTEREST_AREA_GROUP,
- Added IA_*_GROUP variables to the Time Course Analysis Report
- Supported adding new messages to a group of trials relative to the start of a trial or the start of an interest period
- Added a "Gaze Cursor Eye Selection" property to the Animation Preferences to turn off the left or right gaze cursor when playing back binocular recordings
- Bug fixes and improvements in handling video clips
- Improvements in the zooming operations in the Temporal Graph View
Version 4.3.210
- Added WebLink preference "Maintain X,Y Offsets on Image Update".
- Updated the Data Loading preference "Collapse Identical Interest Areas with Different Time Stamps".
- Bug fixes and improvements for the dynamic fixation map and video playback in the aggregated mode.
- Added Animation preference "Use Aggregate Trial Start IP for Traces"
- Bug fixes for reporting "AVERAGE_" variables in the Cyclopean Mode.
- Added EYE_TRACKED to Fixation, Saccade, Interest Area, Message, Trial reports. Renamed EYE_USED to EYE_REPORTED.
- Added Gaze Precision Measures (RMS_S2S and SD (Window)) to the property table of fixation events.
- Added the following variables to the Fixation Report: CURRENT_FIX_PRECISION_MEASURE_RMS_S2S, CURRENT_FIX_PRECISION_MEASURE_SD_WINDOW
- Added Output/Analysis preferences: Window Size (Samples) and Use Median for SD Window Calculation.
- Added the following variables to the Trial Report: VALIATION_RESULT_LEFT_EYE, VALIATION_RESULT_RIGHT_EYE
- Updated the icons used to show Video View and Image View for playing back the WebLink recordings in the Animation Mode.
- Bug fixes for reporting intermediate interpolated IA sizes of CURRENT_FIX_INTEREST_AREA_PIXEL_AREA, LEFT/RIGHT_INTEREST_AREA_PIXEL_AREA variables.
- Updated the default interest period naming when creating multiple IPs.
- Supported loading image file containing non-ASCII characters.
- Supported VFRAME messages with negative offset.
Version 4.3.1
Data Viewer now runs on Windows 7, 8, 10, or 11, macOS (10.11 or later), and Linux (Ubuntu 64bit, 18.04 LTS or later).
- Added Data Viewer workflow and best practices guidelines (Chapter 2).
- Added “Time Scale” to Output/Analysis preferences.
- Added TIME_SCALE variable to the Fixation, Saccade, Message, and Interest Area Reports.
- Added “Message Filtering” and “Message String” preferences to selectivelyexclude or keep messages in a viewing session.
- Bug fixes for the inconsistent duration of exported video clips from the Animation Playback View.
- Bug fixes and improvements on the license key management.
- Added support for long messages recorded to the EDF files.
- Added “Disable Consistency Check and Fix” option in Data Loading preferences.
- Added “Report Missing Value for Excluded Regions” preference for time-course (binning) analysis.
- Modified the default value for the following preferences:
- Output/Analysis -> “Cyclopean Mode”
- Output/Analysis -> “Use UTF-8 Encoding”
- Output/Analysis -> “Include Fixation in Single IA”
- Data Filters -> “Show Interest Areas Pre Interest Period” and “Show Interest Areas Post Interest Period
- Output/Analysis -> “Cyclopean Mode”
- Data Viewer runs on macOS (10.11 or later).
- Added support for analyzing PDF tracking data collected with SR Research WebLink.
- Added PDF Navigations, Page Dimensions, Page, Page Displayed, Orientation, Zoom Level to the property table of the Trial node.
- Added/updated Webpage/PDF-specific condition variables to the Trial Variable Value Editor and analysis reports: PAGE_VISIT_DURATION, PAGE_HEIGHT, SEGMENT_PARENT_TRIAL, SEGMENT_INDEX, CURRENT_PAGE, PAGE_VISIT, PAGE_WIDTH, ZOOM_LEVEL, PAGE_ORIENTATION, PAGE_NUMBER.
- Added “PDF Load Start Value” to the WebLink preferences.
- Added PDF Navigations, Page Dimensions, Page, Page Displayed, Orientation, Zoom Level to the property table of the Trial node.
- Data Viewer now runs as either a 32-bit or 64-bit application on Windows 7, 8, and 10.
- Added support for analyzing webpage tracking data collected with SR Research WebLink.
- Automatic trial segmentation based on the webpage URL
- Trials browsing the same webpage URL can be grouped together
- A timeline in the Animation and Spatial Overlay views facilitating navigation between different URLs within a recording trial
- Allows playing back the recorded trial over the entire image captures of the webpages, or over the saved video recording to view dynamic content
- Automatic scroll compensation for eye events and samples in the Spatial Overlay View and Animation View
- Marking of mouse clicks in the Spatial Overlay View and Animation View.
- Webpage-specific condition variables (WEBPAGE_DURATION, WEBPAGE_HEIGHT, WEBPAGE_PARENT_TRIAL, WEBPAGE_SEQUENCE, WEBPAGE_URL, WEBPAGE_VISIT, WEBPAGE_WIDTH) automatically added into the Trial Variable Value Editor and analysis reports
- New variables in output reports pertaining to scrolling and mouse clicks available in the Trial, Fixation, Saccade, Sample and Interest Area reports.
- New preference settings specific to WebLink integration.
- Automatic trial segmentation based on the webpage URL
- Added GROUPING_VARIABLES to the reports
- Added CURRENT_/NEXT_/PREVIOUS_FIX/SACC_MSG_LIST_TEXT and CURRENT_/NEXT_/PREVIOUS_FIX/SACC_MSG_LIST_TIME to the Fixation and Saccade reports.
- Added INTEREST_AREA_FIXATION_SEQUENCE_DWELL_TIMES to the Trial Report.
- Added INTEREST_AREA_FIXATION_SEQUENCE to the Interest Area Report.
- Added support for reparsing eye events for selected trials or recording sessions
- Added "Event Reparsing" options to the "Output / Analysis" preferences
- Supported saving color and group label of interest areas into an interest area file
- Added support for duplicating selected interest periods in the Interest Period Editor
- Provided more example EDF files.
- Added support for macOS High Sierra (version 10.13)
- Added the following variables to the Interest Area Report:
- IA_FIRST_FIXATION_PREVIOUS_FIX_IA- IA_FIRST_FIXATION_PREVIOUS_IAREAS
- IA_FIRST/LAST_/SECOND_/THIRD_RUN_LANDING_POSITION
- IA_FIRST/LAST_/SECOND_/THIRD_RUN_LAUNCH_SITE
- IA_FIRST_FIXATION_PREVIOUS_FIX_IA- IA_FIRST_FIXATION_PREVIOUS_IAREAS
- Added "Reading Direction" and "Report Distance in" Options to the Output\Analysis preferences
- Texts of the message events are now displayed in the event list
- Provided various bug fixes and documentation updates for the 3.1.1 release
- Added options to skip some stages when performing four-stage fixation cleaning
- Added the following variables to the Trial Report:
- SD_SACCADE_AMPLITUDE, and SD_FIXATION_DURATION
- SD_SACCADE_AMPLITUDE, and SD_FIXATION_DURATION
- Added "Add/Edit Event Mode" the Temporal Graph View
- Added grid lines to the Temporal Graph View
- Added a sample cursor line to the current mouse position in the Temporal Graph View
- Added "Sample Info" button and floating window to the Temporal Graph View
- Added interest period boundaries to the Temporal Graph View
- Supported displaying dynamic interest areas in the Temporal Graph View
- Added "IA Shape Actions" option to support the following operations when interest areas are selected:
- Conversion between different interest area shapes
- Horizontal or vertical flip- Rotating interest areas
- Resizing/rescaling interest areas
- Moving interest areas
- Conversion between different interest area shapes
- Added interest area "Link" option to replace multiple interest areas with a linked object; added "Unlink" option to restore the original interest areas
- Added "Create Output Report for all Custom Interest Periods" option to the Reports
- Added option to create multiple consecutive duration-based interest periods
- Added "Use Average Aggregate Cursor" option to Animation View Preferences
- Allowed to import messages relative to the currently-selected interest period
- Added "Gaze Cursor Transparency (0.0 - 100.0)" to Animation View Preferences
- Added "Video Handler" option to Animation Preferences (Windows version only)
- Added support for playing back .mov video files in the Animation View (for the data collected with SR Research Experiment Builder)
- Added the following variables to the Trial Report:
- MEDIAN_SACCADE_AMPLITUDE- MEDIAN_FIXATION_DURATION
- MEDIAN_SACCADE_AMPLITUDE- MEDIAN_FIXATION_DURATION
- Added the following variables to the Saccade and Fixation Report:
- CURRENT/PREVIOUS/NEXT_SAC_BLINK_START
- CURRENT/PREVIOUS/NEXT_SAC_BLINK_END
- CURRENT/PREVIOUS/NEXT_SAC_BLINK_DURATION
- CURRENT/PREVIOUS/NEXT_SAC_BLINK_START
- Provided a new interface for creating and editing interest periods
- Provided options to create a shorter sample report (i.e., down-sampling)
- Added "File -> Unpack" menu option
- Added "Selected Freehand Point" property to freehand interest areas for the precise adjustment of vertex coordinate
- Added "Remember Last Browsed Directory" for some default directories
- Added HTARGET_DISTANCE_BIN, HTARGET_X_BIN, HTARGET_Y_BIN, SAMPLING_RATE, and SAMPLE_INTERVAL variables to the Time-Course Analysis Report
- Added "Start Event Offset" option to the Reaction Time Definitions
- Added "Animation Background Color" to the Animation View preferences
- Added "Apply Blink Correction in the Sample Report" option to the Data Filters preferences
- Added time-course (binning) analysis report
- Supported .mov file output on Mac OS X
- Added property to fixation event to indicate if the event is trimmed by interest period filter.
- Data Viewer now runs on Windows (XP, Vista, 7, 8, and 10), Mac OS X (Intel Mac 10.6 or later), Linux (Ubuntu 14.04LTS)
- Supported dynamic heat map presentation in the Animation View
- Supported creating a difference heat map
- Added option to export the fixation map matrix as a text file.
- Allowed playback of supported video clips on Mac OS X
- Added a history of eye positions in the Animation View
- Added Backward Frame and Forward Frame buttons in the Animation View
- Supported zooming in or out of the Spatial Overlay View
- Supported toggling on/off the background image in the Spatial Overlay View
- Added keyboard shortcut help menu to the Trial View Window
- Supported scaling gaze cursor size in the Animation View based on pupil size
- Added "Pupil Trace Scaling Factor" to the Temporal Graph View preferences
- Bug fix for the "Include Hidden Events" option being toggled on randomly. The hidden events now are drawn in dashed-lines.
- Added new variable to Trial Report: INTEREST_AREA_FIXATION_SEQUENCE
- Added new variable to Interest Area Reports: IA_LEGAL_IMMEDIATE
- Added "Apply Strict Event Matching" option to the Interest Period Editor
- Added new variables to Trial, Fixation, Saccade, Message, Sample, and Interest Area Reports: IP_END_EVENT_MATCHED, IP_START_EVENT_MATCHED
- Minor graphics-related bug fixes
- Supported Aggregate Mode
- Displays the aggregate data in the Spatial Overlay and Animation View of the Trial View Window
- Displays aggregated statistics for the events and interest areas in the trial group in the property table-
- Provides Aggregate Event Statistics and Aggregated Interest Area Report
- Displays the aggregate data in the Spatial Overlay and Animation View of the Trial View Window
- Added support for color coding the visible data in a trial/group of trials
- Supported selecting variables in the output reports though drag-and-drop
- Provided option to display the fixation map in the Spatial Overlay View
- Supported merging viewing sessions
- Supported adjusting the location of the interest areas using the center position
- Added Step Backward button in the toolbar of the Animation View
- Added XVid lookup table support for faster frame seeking in the Animation View
- Bug Fixes
- Added support for loading input events from EDF files.
- Supported using the input events as the end event in the interest period and reaction-time definitions.
- Supported trial splitting based on the messages or input events.
- Added "Use Substring Match for Messages" option to the interest period and reaction-time definition editor.
- Supported packaging and unpacking viewing session files.
- Added option for removing fixations immediately before or after a blink event in the Data Filter preferences.
- Added new properties to the trial node: Number Input Events, Mode, Pupil Data Type, Eyes, Event Parse Type, Mount Type, File Filtering Level, and Pupil Tracking Algorithm.
- Supported inserting a new message or editing message text in the viewing session.
- Added "Create one report file per each EDF file" option in each of the reports.
- Added "Default Video Directory" in the General preference.
- Added new properties to the Data file node: EyeLink Version, and Recorded by.
- Added new variables to the sample reports: SAMPLE_INPUT
- Added the following variables to the fixation report and saccade report: CURRENT_/PREVIOUS_/NEXT_FIX_INPUT_EVENTS, CURRENT_/PREVIOUS_/NEXT_SAC_INPUT_EVENTS
- Added the following variables to the trial report: INPUT_COUNT, RT_EVENT_INPUT
- Added the following variables to the saccade report: CURRENT_SAC_START/END_INTEREST_AREA_X_OFFSET CURRENT_SAC_START/END_INTEREST_AREA_Y_OFFSET CURRENT_SAC_START/END_INTEREST_AREA_DATA
- General bug fixes for video playback and saving in Data Viewer animation view.
- Added Dynamic Interest Area Support
- Modified interest area format.
- Added Mouse Record Mode for creating dynamic interest area instances.
- Added Paste Current and Paste After options.
- Modified interest area creation dialog box.
- Supported position and shape interpolation across instances of Dynamic Interest Area
- Interest Area data reporting can be either based on the fixation events or samples
- General performance improvements and reworked on the playback in the Animation View and video saving.
- Improved Trial Grouping interface.
- Supported adding or removing points for a freehand interest area.
- Animation View now displays time relative to start of the trial and/or start of the current interest period.
- Allowed independent setting in the Data Filter preference for "Hide Spanned Events" and "Trim Spanned Fixation Duration" at the start and end of interest period.
- Added a "Use Substring Match for Messages" option to the Reaction Time and Interest Period definitions.
- Added "Default Video Directory" setting to the General Preferences; supported selection of multiple directories for the "Default Image Directory" and "Default Video Directory".
- Added new variables in the Interest Area Report : IA_DYNAMIC, IA_END_TIME, IA_INSTANCE_COUNT, IA_START_TIME, REPORTING_METHOD, TRIAL_IA_COUNT, and TRIAL_TOTAL_VISITED_IA_COUNT.
- Added new variables in the Fixation Report and Saccade Report: CURRENT_/NEXT_/PREVIOUS_FIX_INTEREST_AREA_ID, CURRENT_/NEXT_/PREVIOUS_SACCADE_START_INTEREST_AREA_ID, and CURRENT_/NEXT_/PREVIOUS_SACCADE_END_INTEREST_AREA_ID.
- Added new variables in the Message Report: CURRENT_MSG_INTEREST_AREA_ID.
- Added new variables to the Trial Report: AVERAGE_BLINK_DURATION, and IA_COUNT
- Added new variables to the Sample Report:LEFT_FIX_INDEX, RIGHT_FIX_INDEX, AVERAGE_/LEFT_/RIGHT_INTEREST_AREAS, AVERAGE_/LEFT_/RIGHT_INTEREST_AREA_DATA, AVERAGE_/LEFT_/RIGHT_INTEREST_AREA_DISTANCE, AVERAGE_/LEFT_/RIGHT_INTEREST_AREA_PIXEL_AREA, LEFT_SACCADE_INDEX, RIGHT_SACCADE_INDEX
- Added support for EyeLink 1000 Plus recording files.
- Fixed crashes in loading some EDF files on Mac OSX.
- Added blink correction for pupil size calculation for PUPIL_SIZE_MIN and PUPIL_SIZE_MEAN variables in the trial report; now samples during a blink are not included in the pupil size calculation.
- Added options to exclude some samples before and after a blink event in the pupil size calculation ("Duration to Exclude Before Blinks (msec)" and "Duration to Exclude After Blinks (msec)" in the Data Filters preferences).
- Bug fix for handling blink events in some EDF files.
- Bug fix in handling target position commands ("!V TARGET_POS").
- Supported saving interest area files in UTF-8 encoding.
- Added variables to the Interest Area Report: IA_FIRST_SACCADE_INDEX and IA_LAST_SACCADE_INDEX.
- Bug fix for Interest Area Report variables: IA_FIRST_FIXATION_RUN_INDEX and IA_FIRST_FIXATION_VISITED_IA_COUNT.
- Added option in the "Output/Analysis Preferences" (Identify first/last saccade based on the first last/last fixation) to match the first/last saccade event to the first/last fixation event in the Interest Area Report.