- Remove tag length restriction and allow / = ! : # & characters.

- Support repetition of --addtag and --deltag arguments.
- Add infrastructure for specific cmdline arguments to be repeated in groups.
- Split the_args cmdline arguments and values into arg_props and arg_values.
- Fix fsadm to not require '-f' for resize of unmounted filesystem.
- Fix fsadm to detect mounted filesystems on older system
- Fix regex optimiser not to ignore RHS of OR nodes in _find_leftmost_common.
- Update VG metadata only once in vgchange when making multiple changes.
- Allow independent vgchange arguments to be used together.
- Fix vgchange to process -a, --refresh, --monitor and --poll like lvchange.
- Don't take write lock in vgchange --refresh, --poll or --monitor.
- Skip dm devices in scan if they contain only error targets or are empty.

- Fix handling of online filesystem resize (using new fsadm return code).
- Add DIAGNOSTICS section to fsadm man page.
- Modify fsadm to return different status code for check of mounted filesystem.
- Fix memory leak of field_id in _output_field function.
- Allocate buffer for reporting functions dynamically to support long outputs.