======
- handling empty data frame added (PR `7 <https://github.com/awst-austria/qa4sm-preprocessing/pull/7>`_)
- Discard attrs (PR `6 <https://github.com/awst-austria/qa4sm-preprocessing/pull/6>`_)
- Sub-daily to daily averaging methods (PR `5 <https://github.com/awst-austria/qa4sm-preprocessing/pull/5>`_)
- unified the reader backend; everything is using read_block now (PR `4 <https://github.com/awst-austria/qa4sm-preprocessing/pull/4>`_)
- a few fixes for unstructured and curvilinear grids (PR `3 <https://github.com/awst-austria/qa4sm-preprocessing/pull/3>`_)