A new release (release 21) should be created with latest enhancements and fixes:
- [EXPERIMENTAL] Add PKCS#11 pin basic functionality (5b07e40)
- udisks2: check for EINTR when reading in recover_key() (4c6d5d9)
- udisks2: check if variables are NULL before calling unref (eea777f)
- Prevent Address in use error (601d0a9)