Issues Closed
* [Issue 795](https://github.com/pytroll/satpy/issues/795) - Composites delayed in the presence of non-dimensional coordinates ([PR 796](https://github.com/pytroll/satpy/pull/796))
* [Issue 753](https://github.com/pytroll/satpy/issues/753) - seviri l1b netcdf reader needs to be updated due to EUM fixing Attribute Issue ([PR 791](https://github.com/pytroll/satpy/pull/791))
* [Issue 734](https://github.com/pytroll/satpy/issues/734) - Add a compositor that can use static images ([PR 804](https://github.com/pytroll/satpy/pull/804))
* [Issue 670](https://github.com/pytroll/satpy/issues/670) - Refine Satellite Position
* [Issue 640](https://github.com/pytroll/satpy/issues/640) - question: save geotiff without modifying pixel value
* [Issue 625](https://github.com/pytroll/satpy/issues/625) - Fix inconsistency between save_dataset and save_datasets ([PR 803](https://github.com/pytroll/satpy/pull/803))
* [Issue 460](https://github.com/pytroll/satpy/issues/460) - Creating day/night composites ([PR 804](https://github.com/pytroll/satpy/pull/804))
In this release 7 issues were closed.
Pull Requests Merged
Bugs fixed
* [PR 805](https://github.com/pytroll/satpy/pull/805) - Fix 3a3b transition in the aapp l1b reader
* [PR 803](https://github.com/pytroll/satpy/pull/803) - Fix save_datasets always using geotiff writer regardless of filename ([625](https://github.com/pytroll/satpy/issues/625), [625](https://github.com/pytroll/satpy/issues/625))
* [PR 802](https://github.com/pytroll/satpy/pull/802) - Factorize and improve modis reader's interpolation
* [PR 800](https://github.com/pytroll/satpy/pull/800) - Fix 'virr_l1b' reader when slope attribute is 0
* [PR 796](https://github.com/pytroll/satpy/pull/796) - Drop non-dimensional coordinates in Compositor ([795](https://github.com/pytroll/satpy/issues/795), [795](https://github.com/pytroll/satpy/issues/795))
* [PR 792](https://github.com/pytroll/satpy/pull/792) - Bug mitiff writer when only one channel is to be written with calibration information
* [PR 791](https://github.com/pytroll/satpy/pull/791) - Fix handling of file attributes in seviri_l1b_nc reader ([753](https://github.com/pytroll/satpy/issues/753))
Features added
* [PR 821](https://github.com/pytroll/satpy/pull/821) - Remove warning about unused kwargs in YAML reader
* [PR 820](https://github.com/pytroll/satpy/pull/820) - Add support for NWCSAF GEO v2018, retain support for v2016
* [PR 818](https://github.com/pytroll/satpy/pull/818) - Add TLEs to dataset attributes in avhrr_l1b_gaclac
* [PR 816](https://github.com/pytroll/satpy/pull/816) - Add grouping parameters for the 'viirs_sdr' reader
* [PR 814](https://github.com/pytroll/satpy/pull/814) - Reader for Hydrology SAF precipitation products
* [PR 806](https://github.com/pytroll/satpy/pull/806) - Add flag_meanings and flag_values to 'viirs_edr_active_fires' categories
* [PR 805](https://github.com/pytroll/satpy/pull/805) - Fix 3a3b transition in the aapp l1b reader
* [PR 804](https://github.com/pytroll/satpy/pull/804) - Add compositor for adding an image as a background ([734](https://github.com/pytroll/satpy/issues/734), [460](https://github.com/pytroll/satpy/issues/460))
* [PR 794](https://github.com/pytroll/satpy/pull/794) - Add 'orbital_parameters' metadata to all geostationary satellite readers
* [PR 788](https://github.com/pytroll/satpy/pull/788) - Add new 'crs' coordinate variable when pyproj 2.0+ is installed
* [PR 779](https://github.com/pytroll/satpy/pull/779) - Add TROPOMI L2 reader (tropomi_l2)
* [PR 736](https://github.com/pytroll/satpy/pull/736) - CF Writer: Attribute encoding, groups and non-dimensional coordinates. Plus: Raw SEVIRI HRIT metadata
* [PR 687](https://github.com/pytroll/satpy/pull/687) - Add Vaisala GLD360-reader.
Documentation changes
* [PR 797](https://github.com/pytroll/satpy/pull/797) - Sort AUTHORS.md file by last name
Backwards incompatible changes
* [PR 822](https://github.com/pytroll/satpy/pull/822) - Deprecate old reader names so that they are no longer recognized ([598](https://github.com/pytroll/satpy/issues/598))
* [PR 815](https://github.com/pytroll/satpy/pull/815) - Remove legacy GDAL-based geotiff writer support
In this release 23 pull requests were closed.