# 6.3.0.0

  - Update to Bibutils 6.3.

  - Enable NBIB support.

  - Expose additional options values.


# 6.2.0.1

  - This is a patch release fixing MacOS X compilation.

  - Patched few minor warnings in imported Bibutils source.

  - Implemented Travis-CI builds through Cabal and Stack.


# 6.2

  - This release has removed `wordout_dropkey` because the corresponding
    constant in Bibutils has also been removed.