# Changelog History ## 1.5.2 First released, May 15th 2020 ### Major changes * PR #375 merged to avoid mutliple tf.graph instantiation failures ### Minor changes * PR #362 use tf.abs instead of numpy * PR #352 tempdir cleaning ## 1.5.1 First released, April 15th 2020 ### Major changes * Bugfixes on the LibRosa STFT backend ### Minor changes * Typos, and small bugfixes ## 1.5.0 First released, March 20th 2020 ### Major changes * Implement a new STFT backend using LibRosa, faster on CPU than TF implementation * Switch tensorflow version to 1.15.2 ### Minor changes * Typos, and small bugfixes ## 1.4.9 First released, Dec 27th 2019 ### Major changes * Add new configuration for processing until 16Khz ### Minor changes * Typos, and small bugfixes