Update changelog for v0.42.0

CHANGELOG.md

@@ -1,3 +1,59 @@
+## Version 0.42.0 (2023/04/28)
+
+### Issues Closed
+
+* [Issue 2455](https://github.com/pytroll/satpy/issues/2455) - Highlights blacked-out in MODIS false-color image
+* [Issue 2204](https://github.com/pytroll/satpy/issues/2204) - CLAVRx Reader for AHI data misses CLAVRx files with naming convention that retains full AHI original name. ([PR 2314](https://github.com/pytroll/satpy/pull/2314) by [@joleenf](https://github.com/joleenf))
+* [Issue 1944](https://github.com/pytroll/satpy/issues/1944) - satpy v0.33 seems to run slower than v0.30 when I project modis l1b data
+
+In this release 3 issues were closed.
+
+### Pull Requests Merged
+
+#### Bugs fixed
+
+* [PR 2454](https://github.com/pytroll/satpy/pull/2454) - Change optional rayleigh prerequisites to required for MODIS
+* [PR 2451](https://github.com/pytroll/satpy/pull/2451) - Fix assumption that arrays have 2+ dimensions in CF writer ([74](https://github.com/foua-pps/level1c4pps/issues/74))
+* [PR 2440](https://github.com/pytroll/satpy/pull/2440) - Fix nwcsaf pps palettes
+* [PR 2437](https://github.com/pytroll/satpy/pull/2437) - Update MODIS composites with specific channel for Rayleigh correction
+* [PR 2432](https://github.com/pytroll/satpy/pull/2432) - Remove usage of open_rasterio in some readers
+* [PR 2417](https://github.com/pytroll/satpy/pull/2417) - Fix NUCAPS reader compatibility with new versions of xarray
+* [PR 2394](https://github.com/pytroll/satpy/pull/2394) - Add weighted blended stacking to MultiScene (fixes multi-band handling)
+* [PR 2168](https://github.com/pytroll/satpy/pull/2168) - Fix coordinate names in Ocean Color CCI reader.
+
+#### Features added
+
+* [PR 2439](https://github.com/pytroll/satpy/pull/2439) - Add support for unit conversion in image writers
+* [PR 2438](https://github.com/pytroll/satpy/pull/2438) - Deprecate PYTROLL_CHUNK_SIZE and fallback to array.chunk-size config from dask
+* [PR 2423](https://github.com/pytroll/satpy/pull/2423) - Support reading from S3 for AHI-HSD
+* [PR 2422](https://github.com/pytroll/satpy/pull/2422) - Update condition of xarray version in CF writer tests
+* [PR 2421](https://github.com/pytroll/satpy/pull/2421) - Add MODIS 05 L2 datasets to `modis_l2` reader
+* [PR 2416](https://github.com/pytroll/satpy/pull/2416) - Drop support for Python 3.8 and add 3.11 tests
+* [PR 2407](https://github.com/pytroll/satpy/pull/2407) - VIIRS VGAC reader
+* [PR 2394](https://github.com/pytroll/satpy/pull/2394) - Add weighted blended stacking to MultiScene (fixes multi-band handling)
+* [PR 2379](https://github.com/pytroll/satpy/pull/2379) - Add reader for IASI L2 CDR in NetCDF format
+* [PR 2314](https://github.com/pytroll/satpy/pull/2314) - Update `clavrx` reader file patterns and flag_meanings handling ([2204](https://github.com/pytroll/satpy/issues/2204))
+* [PR 2124](https://github.com/pytroll/satpy/pull/2124) - Add reader for FY-3E / MERSI-LL
+
+#### Documentation changes
+
+* [PR 2448](https://github.com/pytroll/satpy/pull/2448) - Add section to FAQ to describe how `generate=False` may speed up RGBs
+* [PR 2431](https://github.com/pytroll/satpy/pull/2431) - Add codescene badge to README
+
+#### Backward incompatible changes
+
+* [PR 2416](https://github.com/pytroll/satpy/pull/2416) - Drop support for Python 3.8 and add 3.11 tests
+
+#### Clean ups
+
+* [PR 2450](https://github.com/pytroll/satpy/pull/2450) - Remove unneeded stickler config
+* [PR 2429](https://github.com/pytroll/satpy/pull/2429) - Cleanup and separate Scene unit tests
+* [PR 2416](https://github.com/pytroll/satpy/pull/2416) - Drop support for Python 3.8 and add 3.11 tests
+* [PR 2394](https://github.com/pytroll/satpy/pull/2394) - Add weighted blended stacking to MultiScene (fixes multi-band handling)
+
+In this release 26 pull requests were closed.
+
+
 ## Version 0.41.1 (2023/03/15)
 
 ### Issues Closed