I finished the review of changes for 4.1.0.
Feel free to fix any error/omission I may have done.

Section Patches is empty, to remove ?

ReleaseNotes :
remember : TODO correct file list with actual files at release
Some sections are empty, to remove ?
    New platforms
    Some possible differences in program behavior:
    Miscellaneous Enhancements:
    Builtin functions:

The doc for the new "File" class is missing (or I didn't find it).