From Just Solve the File Format Problem
JPEG XL is a plan to develop a compressed image format and/or file format that will be yet another attempt to be the next JPEG. It was first announced around 2017-08.
- Next-Generation Image Compression (JPEG XL) Draft Call for Proposals (2017-11)
- Revised Draft Call for Proposals (2018-02)
- Final Call for Proposals (2018-04)
- Gigazine article (2017-08-15)