HSDS 1.0.0 Release: A Milestone for Cloud-Native HDF5 

The HDF Group is happy to announce the release of HSDS 1.0.0, h5pyd 1.0.0, and hdf5-json 2.0.0.  The three projects now share a single implementation of the HDF5 object model instead of maintaining three copies of it. Additionally, this release brings major architectural improvements, enhanced APIs, streamlined package dependencies, and a more robust foundation for future development.  HSDS enables users […]

Oldie but a goodie

Nearly 40 years on, HDF4 receives one final official release focused on security, stability, and long-term use. HDF4 has supported scientific computing for nearly four decades. It has powered remote sensing systems, Earth science applications, aerospace work, and long-lived research and operational systems. HDF5 has been the focus of active development for many years, but

Release of HDF5 2.1.0 (Newsletter #209)

Following the major milestone of HDF5 2.0.0, we are pleased to announce the release of HDF5 2.1.0. As the first minor release in the 2.x series, version 2.1.0 focuses on expanding support for modern hardware datatypes and improving the developer experience for Fortran users. The HDF5 2.1.0 release is now available from the HDF5 2.1.0

​Release of HDF5 2.0.0 (Newsletter #207)

Executive Summary: HDF5 2.0.0 now adheres to semantic versioning conventions while maintaining the trusted format and library you rely on. This version has been modernized for today’s workflows, making it easier to convert raw data into results. It simplifies setup and usage, increases confidence through safer defaults and improved release practices, and reduces unwanted side

​Release of HDF 4.3.1 (Newsletter #206)

The HDF 4.3.1 release is now available from the HDF 4.3.1 download page on The HDF Group’s support site. For information on HDF4, see the HDF4 page. This is a minor release that adds support for new platforms and compilers, several bug fixes, including uninitialized memory and memory leak issues. Please see the full release

Release of HDF5 1.14.6 (Newsletter #205)

The HDF5 1.14.6 release is now available from the HDF5 1.14.6 download page. This is a maintenance release with some minor new changes: Reverted a change to the library’s handling of UTF-8 file names. A change was made in the HDF5 1.14.4 release to address some issues with the library’s handling of code pages and

​Release of HDFView 3.3.2 (Newsletter #203)

The HDFView 3.3.2 release is now available from the HDFView 3.3.2 download page. This release was built and tested with HDF 4.3.0, HDF5 1.14.4, and OpenJDK 21. It uses modules, the newest jpackage for distribution, and adds support for float16 datatypes. This is a maintenance release with a few major enhancements. User option added for

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