Sent to CTAN yesterday:

- New \hbox_set_to_wd:Nnw and \vbox_set_to_ht:Nnw functions
- Revised l3file module to give better defined
  path/file/extension split
- New experimental functions in l3file: \file_input_stop:,
  \file_get_mdfive_hash:nN, \file_get_size:nN and
  \file_get_timestamp:nN; currently XeTeX does not support
  getting file size/timestamp
- New experimental \mode_leave_vertical: as a code-level
  equivalent of \leavevmode
- New experimental support for shell escape in l3sys module
- New mechanism for checking variable declarations locally:
  see option "enable-debug" and
- More invalid regex patterns trapped with warning
- More regex documentation examples
- Bug fix for \tl_mixed_case:n(n) with pdfTeX when the first
  character is outside the ASCII range
- Fix nesting of selective setting in l3keys