Changes in version 2.1.1.1 - Respect LD and STRIP env vars during linking step (allows cross-platform builds). - Patched strncpy warnings introduced by GCC 16 in src/H5FDsplitter.c. Changes in version 2.1.1.0 (2026-04-02) - Updated HDF5 to 2.1.1. - Migrated from zlib to zlib-ng for gzip/deflate compression. - Added Szip (libaec), Bzip2, LZF, LZ4, Zstandard (Zstd), Snappy, Bitshuffle, ZFP, Blosc, and Blosc2. Changes in version 2.0.0.6 (2026-02-19) - Accept decimal values for api argument in c_flags() and ld_flags(). - New hdf5lib hex logo. - Updated documentation. Changes in version 2.0.0.5 (2026-01-14) - Patched misaligned address in HDF5's H5Tconv_enum.c file. Changes in version 2.0.0.4 (2025-12-22) - Patched zlib win32/Makefile.gcc for conda-forge compatibility. Changes in version 2.0.0.3 (2025-12-14) - Patched misaligned address in HDF5's H5Tvlen.c file. - Fix for Alpine Linux (musl) CRAN check. - Clarified that c_flags() and ld_flags's api argument should be numeric. Changes in version 2.0.0.2 (2025-12-02) - Updated to HDF5 2.0.0 - Added api argument to c_flags to control exposed HDF5 API. - Customized HDF5 build configuration for R environment. Changes in version 1.14.6.9 - Added additional CPPFLAGS include directories needed by Fedora builders. - Automated build testing using rhub github actions. Changes in version 1.14.6.8 (2025-11-19) - Fixed compiler flags for Fedora builders. - Renamed libhdf5.a to libhdf5z.a eliminate ambiguity with system libraries. - Paths returned by c_flags() and ld_flags() are only quoted when necessary. Changes in version 1.14.6.7 (2025-11-17) - Corrected link to inst/COPYRIGHTS. Changes in version 1.14.6.6 - Added HDF5 and zlib copyright holders to DESCRIPTION. Changes in version 1.14.6.5 - Fixed compilation error identified on CRAN's Fedora builders. Changes in version 1.14.6.4 (2025-11-10) - Initial CRAN submission.