What's Changed
* Documentation for multi-loss multi-optimizer by mv1388 in https://github.com/mv1388/aitoolbox/pull/689
* Prediction metadata combination support for tensors and np.arrays by mv1388 in https://github.com/mv1388/aitoolbox/pull/656
**Full Changelog**: https://github.com/mv1388/aitoolbox/compare/1.5...1.5.1