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This release was made possible via funding from MathWorks.
Fixed an issue in the TurboJPEG API whereby, when generating a lossless JPEG image with more than 8 bits per sample, specifying a point transform value greater than 7 resulted in an error ("Parameter value out of range") unless TJPARAM_PRECISION/TJ.PARAM_PRECISION was specified before TJPARAM_LOSSLESSPT/TJ.PARAM_LOSSLESSPT.
Fixed a regression introduced by 1.4 beta1[3] that prevented jpeg_set_defaults() from resetting the Huffman tables to default (baseline) values if Huffman table optimization or progressive mode was previously enabled in the same libjpeg instance.
Fixed an issue whereby lossless JPEG compression could not be disabled if it was previously enabled in a libjpeg or TurboJPEG instance. jpeg_set_defaults() now disables lossless JPEG compression in a libjpeg instance, and setting TJPARAM_LOSSLESS/TJ.PARAM_LOSSLESS to 0 now disables lossless JPEG compression in a TurboJPEG instance.