v4.9.1-rc1

v4.9.1-rc1

This is the first release candidate for netCDF-C v4.9.1. This is primarily a maintenance release.

Known Issues

• A test in the main branch of netcdf-cxx4 is broken by this rc; this will bear further investigation, but not being treated as a roadblock for the release candidate.
• The new document, netcdf-c/docs/filter_quickstart.md is in rough-draft form.

Notable Changes (Manually Recorded)

• [Enhancement][Documentation] Add Plugins Quick Start Guide. See GitHub #2524 for more information.
• [Enhancement] Add new entries in netcdf_meta.h, NC_HAS_BLOSC and NC_HAS_BZ2. See Github #2511 and Github #2512 for more information.
• [Enhancement] Add new options to nc-config: --has-multifilters, --has-stdfilters, --has-quantize, --plugindir. See Github #2509 for more information.
• [Bug Fix] Fix some errors detected in PR 2497. PR #2497 . See Github #2503.
• [Bug Fix] Split the remote tests into two parts: one for the remotetest server and one for all other external servers. Also add a configure option to enable the latter set. See Github #2491.
• [Bug Fix] Fix blosc plugin errors. See Github #2461.
• [Bug Fix] Fix support for reading arrays of HDF5 fixed size strings. See Github #2466.
• [Bug Fix] Fix some errors detected in PR #2492 . See Github #2497.
• [Enhancement] Add support for Zarr (fixed length) string type in nczarr. See Github #2492.
• [Bug Fix] Split the remote tests into two parts: one for the remotetest server and one for all other external servers. Also add a configure option to enable the latter set. See Github #2491.
• [Bug Fix] Fix support for reading arrays of HDF5 fixed size strings. See Github #2462.
• [Bug Fix] Provide a default enum const when fill value does not match any enum constant for the value zero. See Github #2462.
• [Bug Fix] Fix the json submodule symbol conflicts between libnetcdf and the plugin specific netcdf_json.h. See Github #2448.
• [Bug Fix] Fix quantize with CLASSIC_MODEL files. See Github #2405.
• [Enhancement] Add --disable-quantize option to configure.
• [Bug Fix] Fix CMakeLists.txt to handle all acceptable boolean values for -DPLUGIN_INSTALL_DIR. See Github #2430.
• [Bug Fix] Fix tst_vars3.c to use the proper szip flag. See Github #2421.
• [Enhancement] Provide a simple API to allow user access to the internal .rc file table: supports get/set/overwrite of entries of the form "key=value". See Github #2408.
• [Bug Fix] Use env variable USERPROFILE instead of HOME for windows and mingw. See Github #2405.
• [Bug Fix] Fix the nc_def_var_fletcher32 code in hdf5 to properly test value of the fletcher32 argument. See Github #2403.

Changes since v4.9.0 (Automatically Generated by GitHub)

• Fix nc_def_var_fletcher32 operation by @DennisHeimbigner in #2403
• Merge relevant info updates back into main by @WardF in #2387
• Add manual GitHub actions triggers for the tests. by @WardF in #2404
• Use env variable USERPROFILE instead of HOME for windows and mingw. by @DennisHeimbigner in #2405
• Make public a limited API for programmatic access to internal .rc tables by @DennisHeimbigner in #2408
• Fix typo in CMakeLists.txt by @georgthegreat in #2412
• Fix choice of HOME dir by @DennisHeimbigner in #2416
• Check for libxml2 development files by @WardF in #2417
• Updating Doxyfile.in with doxygen-1.8.17, turned on WARN_AS_ERROR, added doxygen build to CI run by @edwardhartnett in #2377
• updated release notes by @edwardhartnett in #2392
• increase read block size from 1 KB to 4 MB by @wkliao in #2319
• fixed RELEASE_NOTES.md by @edwardhartnett in #2423
• Fix pnetcdf tests in cmake by @WardF in #2437
• Updated CMakeLists to avoid corner case cmake error by @WardF in #2438
• Add --disable-quantize to configure by @WardF in #2439
• Fix the way CMake handles -DPLUGIN_INSTALL_DIR by @DennisHeimbigner in #2430
• fix and test quantize mode for NC_CLASSIC_MODEL by @edwardhartnett in #2445
• Guard _declspec(dllexport) in support of #2446 by @WardF in #2460
• Ensure that netcdf_json.h does not interfere with ncjson. by @DennisHeimbigner in #2448
• Prevent cmake writing to source dir by @magnusuMET in #2463
• more quantize testing and adding pre-processor constant NC_MAX_FILENAME to nc_tests.h by @edwardhartnett in #2457
• Provide a default enum const when fill value does not match any enum constant by @DennisHeimbigner in #2462
• Fix support for reading arrays of HDF5 fixed size strings by @DennisHeimbigner in #2466
• fix musl build by @magnusuMET in #1701
• Fix AWS SDK linking errors by @dzenanz in #2470
• Address jump-misses-init issue. by @WardF in #2488
• Remove stray merge conflict markers by @WardF in #2493
• Add support for Zarr string type to NCZarr by @DennisHeimbigner in #2492
• Fix some problems with PR 2492 by @DennisHeimbigner in #2497
• Fix some bugs in the blosc filter wrapper by @DennisHeimbigner in #2461
• Add option to control accessing external servers by @DennisHeimbigner in #2491
• Changed attribute case in documentation by @WardF in #2482
• Adding all-error-codes.md back in to distribution documentation. by @WardF in #2501
• Update hdf5 version in github actions. by @WardF in #2504
• Minor update to doxygen function documentation by @gsjaardema in #2451
• Fix some addtional errors in NCZarr by @DennisHeimbigner in #2503
• Cleanup szip handling some more by @DennisHeimbigner in #2421
• Check for zstd development headers in autotools by @WardF in #2507
• Add new options to nc-config by @WardF in #2509
• Cleanup built test sources in nczarr_test by @DennisHeimbigner in #2508
• Fix inconsistency in netcdf_meta.h by @WardF in #2512
• Small fix in nc-config.in by @WardF in #2513
• For loop initial declarations are only allowed in C99 mode by @gsjaardema in #2517
• Fix some dependencies in tst_nccopy3 by @WardF in #2518
• Update plugins/Makefile.am by @WardF in #2519
• Fix prereqs in ncdump/tst_nccopy4 in order to avoid race conditions. by @WardF in #2520
• Move construction of VERSION file to end of the build by @DennisHeimbigner in #2527
• Add draft filter quickstart guide by @WardF in #2531

New Contributors

• @georgthegreat made their first contribution in #2412
• @dzenanz made their first contribution in #2470

Full Changelog: v4.9.0...v4.9.1-rc1