2.51.5 is a maintenance release in the 2.51 series. It does not change the archive format or wire protocol.
- Restore OCaml compat to before 4.02
- dune/opam improvements/fixes
- Improve GTK UI by using GtkTreeView
- Add support for syncing symlinks on Windows (NTFS)
- Improve ssh support on Windows (hide Windows console in GUI mode)
- Many bugfixes and minor improvements