I recently received my copy of the Final Draft of the new 17025 version. It is now out to be voted on, with voting closing on 10/09/2017. This is an up or down vote this time, no comments, so we will know then the final document status.
The big changes are the layout of the document (it doesn't look anything like the copy you have), and 2 options for dealing with the management system (ISO 9001 vs. setting up your own system). The revision team says:
The main changes compared to the previous edition are as follows:
— the risk-based thinking applied in this edition has enabled some reduction in prescriptive requirements and their replacement by performance-based requirements;
— there is greater flexibility than in the previous edition in the requirements for processes, procedures, documented information and organizational responsibilities;
— a definition of “laboratory” has been added