Release Notes
Cortex 4.6.1 - Mar 2025
Hot fix MacOS security policy update.
Cortex 4.6.0 - Mar 2025
Support for new EpocX firmware 740 with updated encryption method for improved security.
Cortex 4.5.7 - Feb 2025
Hot fix for an issue related to the new developer license
Cortex 4.5.6 - Jan 2025
Support the new developer license (for Consumer headsets)
Bug fixes
Cortex 4.5.3 - Jan 2025
Support MW20 headset (beta support, internal use only)
Bug fixes
Cortex 4.4.7 - Dec 2024
Data synchronization improvement: download records from latest to oldest
Cortex 4.4.5 - Nov 2024
Bug fixes for data synchronization issue
Cortex 4.4.2 - Oct 2024
Bug fixes for data synchronization issue, unexpected empty record issue
Interpolate CQ data for MN8 when there is data lost
Cortex 4.3.15 - Sep 2024
Hot fix for authentication issue on LABS/Builder webapp.
Cortex 4.3.14 - Sep 2024
Authentication flow improvement
Cortex 4.3.7 - Aug 2024
Bug fixes
Cortex 4.3.5 - Aug 2024
Support upgrade firmware of Flex 2 via native Bluetooth connection
Cortex 4.3.3 - Jul 2024
Improve firmware upgrading
Cortex 4.3.0 - Jun 2024
Support data sharing of organization
Support Flex 2 via native Bluetooth connection
Bug fixes
Cortex 4.2.7 - Jun 2024
Bug fix for extender firmware upgrade (from very old version)
Cortex 4.2.4 - May 2024
A hotfix for marker issue
Cortex 4.2.1 - Apr 2024
Cortex API usage tracking
Cortex 4.2.0 - Apr 2024
Time synchronization between different Emotiv headsets
Cortex 3.8.0 - Jan 2024
Support firmware version x2F06 of Flex headset.
Cortex 3.7.8 - Jan 2024
Improve headset setting feature for Flex
Bug fixes
Cortex 3.7.5 - Jan 2024
Bug fixes
Cortex 3.7.2 - Dec 2023
Improve timestamp algorithm for Flex.
Bug fixes
Cortex 3.7.1 - Nov 2023
Update new certificate of the Cortex web socket server. The certificate before version 3.7.1 expires on Dec 9, 2023.
Bug fixes
Cortex 3.7.0 - Nov 2023
Support Flex
Upgrade the core framework for BLE connection.
Upgrade to OpenSSL 3.0, TLS 1.2
Improve data quality
Performance enhancement and minor bug fixes
Cortex 3.6.5 - Aug 2023
Training profiles are now supported for only specific types of Emotiv headset. All training profiles created before 3.6.5 will become readonly profiles.
Bug fixes
Cortex 3.5.6 - Jul 2023
Attention detection will replace Focus detection
Focus detection can still be found via
exportRecord
API withincludeDeprecatedPM
option.
Cortex 3.5.5 - Jun 2023
Save more data into database, even there is no record.
Cortex 3.5.4 - Jun 2023
Update export policy on EmotivPRO with records from EmotivPRO mobile.
Cortex 3.5.3 - May 2023
Support Xtrodes devices on EmotivPRO
Cortex 3.5.2 - Apr 2023
Roll back the core framework for BLE connection (since the new version in 3.5.0/3.5.1 is not really stable).
Bug fixes
Cortex 3.5.1 - March 2023
Hotfix for BTLE connection.
Cortex 3.5.0 - March 2023
Improve timestamp correction algorithm.
exportRecord() API will also export survey data in CSV format (along with JSON format).
Upgrade the core framework for BLE connection.
Cortex 3.4.2 - October 2022
New system requirement on Raspberry Pi:
Raspberry Pi OS - Debian version 11 (Beta release, 32-bit)
Cortex 3.4.1 - September 2022
New system requirement on MacOS/Windows:
Windows 10 (64-bit) v1809+
macOS 10.14 Mojave or above
Cortex 3.2 - January 2022
Cortex 3.1.3 - December 2021
Support macOS 12.1
Cortex 3.1.1, 3.1.2 - December 2021
Bug fixes on some instances where the database cannot be initialised properly
Cortex 3.1 - December 2021
Cortex 3.0.1 - November 2021
No change in the Cortex API
Bug fixes, make the Bluetooth connection more stable
Cortex 3.0 - October 2021
No change in the Cortex API
Cortex 2.7.3 - August 2021
Fixed the scaled value from Interest / Valance that may go out of range in some cases.
Fixed Focus / Stress performance metrics with EPOC X.
Cortex 2.7.2 - July 2021
No change in the Cortex API
Cortex 2.7.1 - May 2021
Cortex is now available for Raspberry Pi OS
Cortex 2.7.0 - April 2021
Cortex 2.6.4 - March 2021
Bug fixes
No change in the Cortex API
Cortex 2.6.3 - January 2021
Cortex is now available for Linux Ubuntu (Beta release)
Cortex 2.6.2 - December 2020
Solve an issue on macOS 11, where EMOTIV headsets couldn't connect by Bluetooth.
No change in the Cortex API
Cortex 2.6.1 - November 2020
No change in the Cortex API
Cortex 2.6.0 - September 2020
macOS 10.12 Sierra is not supported anymore. In order to install Cortex 2.6.0 you must upgrade your Mac to macOS 10.13 High Sierra or above.
Cortex 2.5.0 - June 2020
Cortex 2.4.0 - March 2020
Cortex 2.3.0 - December 2019
Cortex 2.2.1- October 2019
Cortex 2.2.0 - September 2019
This version didn't introduce any change in the API.
Cortex 2.1.1 - August 2019
Cortex 2.1.0 - August 2019
Changes from Cortex 1.x to Cortex V2.0
There are significant changes from Cortex API version 1.x to 2.0.
WebSocket URL
To connect to Cortex 1.x, you used the url wss://emotivcortex.com:54321 In Cortex 2.0, you must use wss://localhost:6868
Authentication
In Cortex 2.0, the user must login with EmotivID through the EMOTIV App. So, the API doesn't have a login or logout method anymore.
Headsets
Miscellaneous
Some methods have been removed or renamed.
Method name in v1
Equivalent in v2
login, logout
acceptLicense
controlBluetoothHeadset
updateNote
The parameters and result format of some methods have changed. If you get an error when calling a method, please check its documentation.
Last updated