===== Version 2.6.4 (V2.6.4.1) =====
==== Date ====
2020-02-25
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==== New Features ====
  * Supports the API retrieving logs filtered by EventMask
  * Supports DesFire Advanced format setting
  * Supports the card type selection feature
  * Supports duplicate fingerprints/face check

<text size="x-large">1.</text> The API retrieving logs filtered by Event Mask so that you can use memory efficiently than before. \\

  * Structure [[Log_Management_API#BS2EventSmallBlob]] has been added
  * API [[BS2_GetLogSmallBlob]] has been added
  * API [[BS2_GetLogSmallBlobFromDir]] has been added

<text size="x-large">2.</text> DesFire Advanced format setting is now supported. 

  * Structure [[device_api#BS2SimpleDeviceInfoEx]] has been added
  * Structure [[configuration api#BS2DesFireCardConfigEx]] has been added
  * API [[BS2_GetDesFireCardConfigEx]] has been added
  * API [[BS2_SetDesFireCardConfigEx]] has been added

<text size="x-large">3.</text> Card type selection is available so that you can select/deselect the card type you want to read fro the device.

  * Structure [[configuration api#BS2SystemConfig]] has been added
  * API [[BS2_SetSystemConfig]] has been added

<text size="x-large">4.</text> Duplicate fingerprint and face check is available.

  * Structure [[Configuration API#BS2FaceConfig]] has been added
  * API [[BS2_GetFingerprintConfig]] has been added
  * API [[BS2_SetFingerprintConfig]] has been added
  * Structure [[Configuration API#BS2FingerprintConfig]] has been added
  * API [[BS2_GetFaceConfig]] has been added
  * API [[BS2_SetFaceConfig]] has been added

\\
==== Modified Features ====

<text size="x-large">1.</text> Fixed the issue of device malfunctioning and rebooting when BS2Job.numJobs in BS2UserBlobEx exceeds the maximum value 16. 

  * Refer to structure [[user management api#BS2UserBlobEx]]
  * Refer to API [[BS2_VerifyUserEx]] 
  * Refer to API [[BS2_IdentifyUserEx]] 
  * Refer to API [[BS2_EnrolUserEx]] 
  * Refer to API [[BS2_VerifyUserSmallEx]] 
  * Refer to API [[BS2_IdentifyUserSmallEx]] 
  * Refer to API [[BS2_EnrollUserSmallEx]] 

<text size="x-large">2.</text> Fixed the issue of BioStation 2 not available for user images.\\

<text size="x-large">3.</text> Fixed the error BS_SDK_INVALID_CODE_SIGN when upgrading SIO2. \\

<text size="x-large">4.</text> Fixed the error BS_SDK_ERROR_NOT_SUPPORTED when calling BS2_GetCardModel for BLN2-PAB. \\

  * Refer to API [[BS2_GetCardModel]]

<text size="x-large">5.</text> Fixed the issue that SDK doesn't recognize device disconnection when the device is constantly disconnected. \\

<text size="x-large">6.</text> Fixed the issue of Linux SDK crash. \\