Version 0.39.0

Issues Closed

• Isse2326 - satpy installation failed with pip
• Isse2325 - VIIRS SDR DNB units and file_units are conflicting
• Isse2323 - use area def raise value different when process himawari datasets
• Isse2311 - scatsat1_l2b and caliop_l2_cloud readers fail to initialise due to failed Dataset import
• Isse2289 - Resampling from MSG Satellite projection to Dutch weather radar projection, area_extent missing
• Isse2273 - Add support for HRFI imagery in the FCI L1c reader (PR2287 by @ameraner)
• Isse2270 - Missing SEVIRI service mode for new IODC sub-satellite longitude of MET09
• Isse2269 - Occasional errors when closing FCI L2 NetCDF file
• Isse2264 - Can't load static image composite multiple times (PR2292 by @djhoese)
• Isse2248 - Test_scene failure on debian sid
• Isse2245 - native resampler fails for some chunk sizes (PR2291 by @djhoese)
• Isse2213 - Update li_l2-reader to read MTG LI L2 test data (PR2271 by @seenno)
• Isse2186 - FCI L1c reader is single threaded (PR2237 by @ameraner)
• Isse1595 - Native resampler to coarsest_area fails for HRV channel due to indivisible chunk sizes
• Isse1482 - Add option to turn off masking in seviri_l1b_hrit (PR1693 by @BENR0)
• Isse1381 - fails to load all composites for abi_l1b
• Isse658 - MTG LI reader is not Python 3 compatible
• Isse650 - MTG LI reader fails
• Isse499 - Graceful handling of saturated values in MODIS data
• Isse370 - Make hdfeos_l1b geo interpolation use dask arrays

In this release 20 issues were closed.

Pull Requests Merged

Bugs fixed

• PR2335 - Fix Scene modifying user-provided reader_kwargs
• PR 2318 - Remove pylibtiff dependencies
• PR 2317 - Fix for bug regarding masking of good scan lines with seviri hrit reader introduced by #1693
• PR 2297 - Replace np.bool by np.bool_
• PR 2292 - Fix Scene not handling DataArrays with 'sensor' set to None (2264)
• PR 2291 - Fix native resampler not working for some chunk sizes (2245)
• PR 2276 - Update AGRI for fill values and cailbration LUTs.

Features added

• PR 2315 - Port mitiff writer to use pillow
• PR 2287 - Feature: add support for HRFI imagery in the FCI L1c reader (2273)
• PR 2280 - Add NDVI-scaled hybrid green correction
• PR 2271 - Add LI L2 reader (2213)
• PR 2265 - Add a reader for insat 3d imager data (insat3d_img_l1b_h5)
• PR 2237 - Optimise the FCI L1c/netcdf_utils by introducing on-demand variables collection and caching (2186)
• PR 1693 - Add masking of data with line quality flags to seviri nc reader (1482)
• PR 1678 - Add a reader for Meris L2 data

Documentation changes

• PR 2306 - fix description for 500m resolution
• PR 2295 - Fix documentation reference links to EUMeTrain webpages
• PR 2274 - Documentation correction: Not all built-in compositors derive from GenericCompositor

In this release 18 pull requests were closed.

Version 0.38.0 (2022/11/11)

Issues Closed

• Issue 2258 - VIIRS day_microphysics array broadcast error (PR 2260 by @djhoese)
• Issue 2250 - Is reader modis_l1b available?
• Issue 2249 - ahi-hsd raise keyerror when load B08 in dataquery
• Issue 2241 - Slow loading speed of TROPOMI L2 product
• Issue 2234 - Scene modifiers keyword argument has no effect (PR 2235 by @djhoese)
• Issue 2233 - 'cached_property' from 'functools' - seems incompatible with python3.7
• Issue 2228 - Question: Why the ellipsoid of a geostationary satellite image is not typical WGS84?
• Issue 2227 - CF writer output wrong for area with geographic CRS (PR 2236 by @gerritholl)
• Issue 2215 - Abi l2 nc reader can't handle AOD product (PR 2216 by @mraspaud)
• Issue 2208 - hy2_scat_l2b_h5 reader does not work any more due to space in valid range attribute (PR 2268 by @TAlonglong)
• Issue 2206 - If you do python -c "import scipy.sparse" do you get a similar error?
• Issue 2202 - AttributeError: 'AreaDefinition' object has no attribute 'crs'
• Issue 2192 - Available Readers Problem
• Issue 2189 - Supported readers page does not include many readers (PR 2191 by @BENR0)
• Issue 2183 - Reading bzipped Seviri HRIT segment crashes when reading the data from disk (PR 2185 by @mraspaud)
• Issue 2170 - satpy_cf_nc Reader Fails to Read Data Written by cf Writer (PR 2176 by @mraspaud)
• Issue 2154 - module 'ntpath' has no attribute 'sep'"
• Issue 2111 - Archived GOES datasets not loading. AttributeError: 'area' object has no attribute 'crs'
• Issue 1929 - Two test failures in test_goes_imager_nc.py with Python 3.10
• Issue 1672 - Add AreaDefinition support to the 'satpy_cf_nc' reader (PR 1695 by @BENR0)

In this release 20 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 2262 - Fix ratio sharpening not sharing invalid mask between bands (556)
• PR 2260 - Fix VIIRS L1B I-band angle names being inconsistent with VIIRS SDR (2258)
• PR 2257 - Fix failure creating directory if it already exists.
• PR 2246 - Fix MODIS reader tests failing with new geotiepoints
• PR 2239 - Fix incorrect rows_per_scan in 'acspo' reader (498)
• PR 2236 - CF-compliant storage for lon/lat case (2227)
• PR 2235 - Fix Scene.load modifiers keyword argument having no effect (2234)
• PR 2232 - Make longitude masker & filler single band
• PR 2221 - Fix ici after mws merge
• PR 2220 - Fix CLAVR-x configuration in 'awips_tiled' writer to be backwards compatible
• PR 2216 - Fix coord renaming for AOD product in 'abi_l2_nc' reader (2215)
• PR 2210 - Fix VIIRS EDR Active Fires reader for new format and fix fine/coarse 1D swath handling (458)
• PR 2190 - Fix some enhancements producing dask arrays wrapped in dask arrays
• PR 2185 - Refactor HRIT readers to be smarter about compression and reading data (2183)
• PR 2177 - Fix plugins not working with new versions of setuptools
• PR 2176 - Fix cf write-read roundtrip (2170)
• PR 2166 - Correct the sun azimuth angle range within satpy.

Features added

• PR 2230 - Add support for compressed FSFiles to HRIT readers
• PR 2209 - Update seadas_l2 reader to handle alternative NetCDF file format (457)
• PR 2207 - Add SEVIRI level 2 AMV BUFR
• PR 2203 - Fix experimental dependency stdlibc++ issues in CI
• PR 2198 - Add warning for SEVIRI native reader in case of bad data
• PR 2187 - adding a reader for ATMS level1b data
• PR 2185 - Refactor HRIT readers to be smarter about compression and reading data (2183)
• PR 2175 - Add utility function to compute the relative azimuth angle.
• PR 2164 - Add low level moisture composite
• PR 2125 - Add reader for FY-4B / GHI data
• PR 2120 - Add reader for MWS onboard EPS-SG-A
• PR 2118 - Add a reader for EPS-SG Ice Cloud Imager
• PR 1695 - Add get_area_def to cf reader (1672)

Documentation changes

• PR 2247 - Document behaviour on default enhancement
• PR 2225 - Update writer table docs
• PR 2200 - Remove mention of fallback to GDAL in geotiff writer
• PR 2195 - Add additional logging information about enhancements being used
• PR 2191 - Fix automatic reader table not listing readers with missing dependencies (2189)

Clean ups

• PR 2268 - Cleanup hy2 reader (2208)
• PR 2252 - Create dependabot.yml
• PR 2240 - Refactor RGB ratio sharpening again for better performance
• PR 2205 - Update URL to rasterio repository in CI

In this release 39 pull requests were closed.

New Contributors

• @BengtRydberg made their first contribution in #2118
• @dependabot made their first contribution in #2255
• @manucarran made their first contribution in #2207

Full Changelog: v0.37.1...v0.38.0

Version 0.37.1 (2022/08/15)

Issues Closed

• Issue 2173 - MetopC script fails after update to SatPy 0.37 (PR 2174 by @mraspaud)

In this release 1 issue was closed.

Pull Requests Merged

Bugs fixed

• PR 2174 - Fix 3d effect enhancement (2173)

In this release 1 pull request was closed.

Version 0.37.0 (2022/08/05)

Issues Closed

• Issue 2163 - ValueError: time data '2022-07-11T00:30:01Z' does not match format '%Y-%m-%dT%H:%M:%S.%fZ' (PR 2165 by @simonrp84)
• Issue 2161 - Plotting Scene with Cartopy gives correct borders but red background
• Issue 2155 - AVHRR CLASS Filename prefix prevents reading with Scene. (PR 2157 by @djhoese)
• Issue 2145 - Could not calculate destination definition resolution
• Issue 2143 - Save geotiff with keep_palette still add an alpha band
• Issue 2139 - Hostname neo.sci.gsfc.nasa.gov not reachable anymore
• Issue 2135 - Images are slightly different between scn.crop() and original one
• Issue 2134 - scene.coarsest_area and scene.resample not working on MSG1/MSG2 in satpy 0.29
• Issue 2130 - Can't install satpy with pip
• Issue 2127 - Raised RuntimeError when trying to make HIMAWARI-8 true color image (PR 2128 by @mherbertson)
• Issue 2112 - Trying to run scn.load(['true_color']) on GOES-16 ABI_L1b causes ValueError
• Issue 2093 - Multiscene blend does not work well.
• Issue 2089 - MultiScene.group doesn't work for differing identifier properties (PR 2099 by @sfinkens)
• Issue 1996 - FCI dataset attributes are missing orbital parameters (PR 2110 by @ameraner)
• Issue 1949 - keep delta_time instead of renaming to offset_time
• Issue 1865 - navigation available for all L1b readers
• Issue 1845 - Add parallax correction (PR 1904 by @gerritholl)
• Issue 1699 - Remove compression argument from CF writer save_datasets
• Issue 1638 - satpy_cf_nc reader not working with files written from seviri_l1b readers
• Issue 1348 - 'AHIHSDFileHandler' object has no attribute 'area'
• Issue 1308 - Error with yaml files during tutorial need example file I think
• Issue 1015 - Add compute method to Scene (PR 1017 by @BENR0)

In this release 22 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 2165 - Update AGRI reader to deal with invalid valid_range HDF attribute (2163)
• PR 2151 - Change default type of AWIPS tiled writer to int16 + _Unsigned
• PR 2150 - Fix typos in reader table
• PR 2142 - Fix MODIS readers applying add_offset incorrectly
• PR 2141 - Fix expected test results for pyorbital 1.7.2
• PR 2137 - Fix GPM IMERG reader.
• PR 2128 - Fix AHI source file segment order after decompressing. (2127)
• PR 2123 - Fix negative channel 3A slope calibration coefficient in AVHRR reader
• PR 2122 - Fix yaml files for some seviri/abi/ahi BlackMarble background composites
• PR 2115 - Update 'viirs_edr_active_fires' to work with newer Active Fires output
• PR 2114 - Fix ACSPO 'sensor' attribute not being lowercase
• PR 2107 - Fix 'ahi_hsd' reader crashing when 'observation_timeline' was invalid
• PR 2103 - Update SEVIRI ICARE reader to properly use dask.
• PR 2100 - Fix handling of non-existent reflectance bands in 'viirs_l1b' reader
• PR 2099 - Fix MultiScene.group in case of differing identifier properties (2089)
• PR 2098 - Fix Scene.coarsest/finest_area not returning consistent results
• PR 1877 - Update SEVIRI native reader with 'time_parameters' metadata

Features added

• PR 2160 - Add reader for ESA's Ocean Color CCI data
• PR 2157 - Add filename pattern for CLASS subscription files (2155)
• PR 2156 - Added filename pattern for CLASS subscription files.
• PR 2147 - added the CRR-Ph files to the nwcsaf geo yaml file
• PR 2146 - Update Metimage reader for L2 test data
• PR 2140 - Add Natural Color / IR composites
• PR 2133 - Rewrite 'apply_enhancement' as individual decorators to allow for easier dask map_blocks usage
• PR 2110 - Add orbital_parameters to fci_l1c_nc reader (1996)
• PR 2105 - Enable solar zenith angle caching for the DayNightCompositor
• PR 2102 - Add more products to fci_l2_nc reader
• PR 2097 - [pre-commit.ci] pre-commit autoupdate
• PR 2096 - Convert remote files to FSFile objects automatically
• PR 1919 - Implement adaptive FCI chunks padding and create a new GEOVariableSegmentYAMLReader class
• PR 1904 - Add parallax correction via new ParallaxCorrectionModifier (1845,
• PR 1769 - Add new composite (true_color_with_night_fires) to GOES/ABI: True color (day) with fires (night)
• PR 1547 - Add support for fsspec files to seviri_l1b_nc reader
• PR 1017 - Add pass through of xr compute, persist and chunk to Scene (1015)

Documentation changes

• PR 2153 - Document alternative for deprecated get_min/max_area
• PR 2138 - Add plugin functionality for readers, writers, and enhancements
• PR 2108 - Functions to automatically generate reader table for documentation
• PR 2104 - Improvements in custom reader documentation
• PR 2091 - Fix link to rad2refl document in SEVIRI base reader
• PR 1886 - Update quickstart documentation so that HRV channel is not loaded

In this release 40 pull requests were closed.

Version 0.36.0 (2022/04/14)

Issues Closed

• Issue 2082 - Some composite are produced with the wrong colors
• Issue 2073 - Creating scene with SEVIRI HRIT reader fails with UnicodeDecodeError (PR 2077 by @pdebuyl)
• Issue 2066 - RGBs should never have units, but some do (PR 2068 by @gerritholl)
• Issue 2062 - Can make Trollimage colorbar in scene
• Issue 1975 - bunzip regular seviri hrit segments (PR 2060 by @pdebuyl)
• Issue 1954 - Cloud Phase/Type/Phase Distinction RGBs for VIIRS and FCI (PR 1957 by @gerritholl)
• Issue 1702 - Resampling not working with SLSTR ancillary datasets

In this release 7 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 2084 - Fix CREFL using incorrect coefficients for MODIS
• PR 2083 - Fix VIIRS L1B reader sensor not matching VIIRS SDR reader
• PR 2080 - Ignore alpha when adding luminance in Sandwich compositor
• PR 2079 - Remove marine_clean_aerosol from default AHI rayleigh_corrected modifier
• PR 2077 - Fix missing 'rb' mode for opening files (2073)
• PR 2070 - Fix lru_cache memory leaks and other linting errors
• PR 2048 - Fix CMIC CRE product in nwcsaf yaml reader
• PR 2016 - Fix the sensor name for msu_gsa_l1b reader
• PR 1410 - Fix osisaf SST reader

Features added

• PR 2086 - Update FCI reader for new test data release and add patches for IDPF data
• PR 2078 - Add possibility to define the dataset rectification longitude in seviri_l2_bufr reader
• PR 2076 - Support reading FSFiles in SEVIRI HRIT reader.
• PR 2068 - Make sure RGBs do not have units attributes. (2066)
• PR 2065 - Add filename to YAML for NASA NRT VIIRS files with creation date/time.
• PR 2060 - Allow reading Bz2 hrit segments (1975)
• PR 2057 - Add option to replace saturated MODIS L1b values with max valid value
• PR 1980 - Adapt AAPP reader for generic chunk size
• PR 1957 - Add RGBs for cloud phase (distinction) and type (1954)
• PR 1410 - Fix osisaf SST reader

Documentation changes

• PR 2075 - Add documentation on how the colorize enhancement can be used
• PR 2071 - Add example to the documentation using multiple readers

Refactoring

• PR 2087 - Refactor HRIT/LRIT format reader.

In this release 22 pull requests were closed.

Version 0.35.0 (2022/03/16)

Issues Closed

• Issue 2063 - Unable to commit changes due to bandit (use of subprocess module)
• Issue 2037 - Why the lon/lat is interpolated to 1km while data are still 5km for MOD06 product
• Issue 2012 - Define time metadata options and usage (PR 2031 by @djhoese)
• Issue 1973 - Using cached geolocation and angles results in an error if chunk size not appropriately set. (PR 2041 by @djhoese)
• Issue 1842 - Update needed for vii_l1b_nc reader to match a change to the Test Data and processor (PR 1979 by @pepephillips)
• Issue 1110 - NWCSAF reader does not support GOES or HIMAWARI
• Issue 1022 - Factorize area def computation in goes_imager_hrit (PR 1934 by @sfinkens)
• Issue 956 - UnboundLocalError when passing "empty" generator as filenames
• Issue 723 - Passing multiple readers fails if generic_image is among them
• Issue 684 - Gracefully handle pykdtree's use of OpenMP (OMP_NUM_THREADS) with dask

In this release 10 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 2054 - Fix DifferenceCompositor not using metadata from YAML
• PR 2049 - Fix dataset attribute typo and reduce amount of categorical dataset filtering in fci_l2_nc reader
• PR 2044 - Fix unit handling in ERF DNB normalization's saturation correction
• PR 2041 - Fix angle generation caching not working with irregular chunks (1973)
• PR 2032 - Fix various metadata bugs in 'awips_tiled' writer (417)
• PR 1933 - Change tested Python versions to 3.8, 3.9 and 3.10

Features added

• PR 2056 - Update SLSTR calibration coefficients
• PR 2055 - Skip dataset flipping in GEOFlippableFileYAMLReader in case of SwathDefinition data
• PR 2047 - Add missing GOES-18 support to glm_l2 reader
• PR 2034 - Update angle generation to prefer "actual" satellite position
• PR 2033 - Remove use of legacy satellite position attributes
• PR 2031 - Update AHI HSD reader with observation/scheduled times and nominal satellite position (2012)
• PR 2030 - Add 'preference' option to 'get_satpos' utility
• PR 2028 - Add 'colormap_tag' keyword argument to geotiff writer
• PR 1993 - Add 'l2_flags' quality filtering to 'seadas_l2' reader
• PR 1979 - Update VII reader for test data v2 (1842)
• PR 1933 - Change tested Python versions to 3.8, 3.9 and 3.10
• PR 1927 - Add support for more FCI L2 products and datasets

Refactoring

• PR 2040 - Refactor composite generation to avoid unneeded warnings
• PR 1934 - Factorize area computation in goes_imager_hrit (1022)

In this release 20 pull requests were closed.

Version 0.34.0 (2022/02/18)

Issues Closed

• Issue 2026 - Missing units in avhrr_l1b_eps reader (PR 2027 by @gerritholl)
• Issue 2024 - Allow to skip unit conversion in ninjotiff writer (PR 2025 by @gerritholl)
• Issue 2023 - Allow to keep units in composite
• Issue 2022 - save_dataset changes dataset in-place
• Issue 2018 - Wrong AxisIntercept (add_offset) when writing °C temperature units with ninjogeotiff writer
• Issue 2014 - Problem in converting VIIRS hdf to geotif
• Issue 2010 - AHI HSD true_color incorrect with cache_sensor_angles (PR 2013 by @djhoese)
• Issue 2008 - abi_l1b reader leaks memory in Python-3.7 (PR 2011 by @sfinkens)
• Issue 2004 - Configure image type returned by MaskingCompositor (PR 2005 by @gerritholl)
• Issue 2001 - Failed to load AVHRR LAC data
• Issue 1999 - Reader for Арктика-М (Arktika-M) МСУ-ГС (MSU-GS) data (PR 2000 by @simonrp84)
• Issue 1998 - Add reader for Arctica M N-1 hdf5 data
• Issue 1995 - AttributeError when cropping data for VIIRS
• Issue 1959 - Unittest failure in test_modifiers.py
• Issue 1948 - Contribute to Satpy
• Issue 1945 - Wrong dtype of uint32 array saved by the cf_writer
• Issue 1943 - sza_check from trollflow2 fails with KeyError: 'start_time'
• Issue 1883 - Test failure on i386 and armhf (PR 1966 by @djhoese)
• Issue 1384 - AHI HRIT reader has gotten slower (PR 1986 by @pnuu)
• Issue 1099 - find_files_and_readers read unneeded files

In this release 20 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 2027 - Include units with AVHRR EPS metadata (2026)
• PR 2017 - Fix ABI rayleigh_corrected_crefl modifier using deprecated DEM specifier
• PR 2015 - Fix various dask array bugs in CREFL modifier
• PR 2013 - Fix angle generation caching occassionally swapping results (2010)
• PR 2011 - Fix memory leak in cached_property backport (2008, 2008)
• PR 2006 - Fix Scene not being serializable
• PR 2002 - Update tests to be more flexible to CRS and enhancement changes
• PR 1991 - Update reference to dask distributed setup page
• PR 1988 - Update geometry.py docstring from compositor to modifier
• PR 1987 - Check that time is not already a coordinate in CF writer
• PR 1983 - More general filename filter for ascat soil moisture, allowing for Metop-B and Metop-C
• PR 1982 - Fix ninjotiff writer from erraneous K to C conversion

Features added

• PR 2025 - Allow skipping unit conversion in NinJoTIFF (2024)
• PR 2007 - Update abi_l2_nc to include filename metadata similar to abi_l1b
• PR 2005 - Add flag to MaskingCompositor to return RGBA for single-band input (2004)
• PR 2000 - Add a reader for the MSU-GS/A + Arctica-M1 data (1999)
• PR 1992 - Add support for CMIC product from PPSv2021
• PR 1989 - read the "elevation" variable in slstr_l1b
• PR 1986 - Add reader kwarg to 'ahi_hrit' to disable exact start_time (1384)
• PR 1967 - Add ability to read comma-separated colormaps during enhancement
• PR 1966 - Reduce MODIS L1b/L2 test case size for better test performance (1883)
• PR 1962 - Use a dependency matrix for benchmarking

Documentation changes

• PR 2020 - Clarify documentation regarding attributes used in get_angles
• PR 1991 - Update reference to dask distributed setup page
• PR 1988 - Update geometry.py docstring from compositor to modifier
• PR 1969 - Improve modifier documentation
• PR 1968 - Improve API documentation in CompositeBase
• PR 1961 - Update documentation to refer to all EO satellite data
• PR 1960 - Add release notes and security policy to documentation
• PR 1950 - Fix formatting in configuration documentation

In this release 30 pull requests were closed.

Version 0.33.1

Version 0.33.1 (2021/12/17)

Issues Closed

• Issue 1937 - Add SECURITY.md
• Issue 1932 - warnings of invalid value encountered in true_divide and invalid value encountered in double_scalars in
• Issue 1903 - MPEF Product Header record definition , in seviri_base.py, needs to be updated
• Issue 1799 - Deprecate Scene.attrs property
• Issue 1192 - Harmonize SEVIRI area definitions

In this release 5 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 1946 - Fix angle generation not working for StackedAreaDefinitions
• PR 1942 - Fix dynamic_dnb composite converting NaNs to 0s
• PR 1941 - Fix SAFE SAR azimuth noise array construction
• PR 1918 - Fix geo interpolation for aapp data

Features added

• PR 1674 - Feature add support for AHI True Color Reproduction

In this release 5 pull requests were closed.

Version 0.33.0

Issues Closed

• Issue 1930 - ninjogeotiff writer produces file with ninjo_TransparentPixel=None (PR 1931 by @gerritholl)
• Issue 1902 - High memory usage generating composites from ABI/AHI

In this release 2 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 1931 - When no fill value is used, write TransparentPixel=-1 in ninjogeotiff headers (1930)
• PR 1926 - Update seadas_l2 chlor_a enhancement to use new log10 stretch
• PR 1922 - Fix ABI cloud_phase composite recipe and enhancement

Features added

• PR 1917 - Add support to read and visualize NOAA GOESR L2+ cloud mask products
• PR 1912 - Add Frequency range
• PR 1908 - Update AHI HSD calibration coefficients
• PR 1905 - Updated mpef product header to include new fields
• PR 1882 - Update GDAL_OPTIONS with driver= and COG-specific options
• PR 1370 - Add support for reading AAPP level-1c MHS/AMSU-B data

Refactoring

• PR 1910 - Refactor SZA and cos(SZA) generation to reduce duplicate computations

In this release 10 pull requests were closed.

Version 0.32.0

Issues Closed

• Issue 1900 - Load composites mixed from files or provided data (PR 1901 by @djhoese)
• Issue 1898 - Loading composites without file handlers fails with KeyError (PR 1899 by @gerritholl)
• Issue 1893 - Download and install Satpy for raspberry pi
• Issue 1889 - Question: How to release loaded data from memory?
• Issue 1880 - Add area definitions corresponding to geostationary imager fields of regard (PR 1881 by @gerritholl)
• Issue 1879 - How to use histogram enhancement in yaml files?
• Issue 1749 - Load from blended scene (PR 1797 by @djhoese)
• Issue 1747 - Load composites without file handlers. (PR 1797 by @djhoese)
• Issue 1456 - Default cache directory should respect XDG Base Directory Specification.
• Issue 583 - PPP_CONFIG_DIR set locally does not include the global dir for the eps_l1b reader

In this release 10 issues were closed.

Pull Requests Merged

Bugs fixed

• PR 1899 - Fix loading multi-sensor composites for manually added data (1898)
• PR 1891 - Fix file handlers improperly matching some file types
• PR 1884 - Fix nucaps reader failing when given multiple input files

Features added

• PR 1901 - Update Scene.sensor_names to include sensors from readers and contained data (1900)
• PR 1897 - Update AHI gridded reader to use HTTP instead of FTP
• PR 1894 - Add 'seadas_l2' reader for 'chlor_a' product
• PR 1892 - Add new pre-commit checks
• PR 1888 - Optimize composite YAML loading
• PR 1885 - Add optional on-disk zarr caching to sensor angle generation
• PR 1881 - Add area definitions for GOES ABI FOR (1880)
• PR 1797 - Allow loading of composites after Scene resampling (1752, 1749, 1747)

Documentation changes

• PR 1873 - Fix a typo in the ninjogeotiff documentation

In this release 12 pull requests were closed.