Version 1.1 of the CST File Upload Client (cst-file-upload-client-cpp-file-upload-client) has been released and is available for download here.
This version includes changes to allow for more configuration of the File Upload Client. There is a now a part timeout and a part retry count. An optional progress callback was also added to the sendFile and sendBytes methods.
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More information can be found on this project at cstkit.com.