The HDF Group

HDF® technologies and supporting services that make possible the management of large, complex data collections. Support Requests:

[The HDF Group @hdf5]

We are seeking feedback on the a new RFC: String-Based Filter Configuration API in HDF5. Link to the RFC and discussion thread here: https://t.co/HvbTfMpneY

[CVE Announcements @CVEannounce]

The HDF Group is now a CVE Numbering Authority (CNA) assigning CVE IDs for all HDF software including HDF5, HDF4, HSDS, HDFView

https://t.co/FBUUUc61Pv

#cve #cna #vulnerability #vulnerabilitymanagement
#opensource @CVEnew @hdf5

[The HDF Group @hdf5]

HDF5 2.1.0 is officially on @condaforge! Jump to the 2.x series with the new ROS3 backed by Amazon's C S3 library, modern hardware datatype support (bfloat16), new defaults for cloud optimized HDF5, and improved performance overall! Check out the files: https://t.co/REJcgvNe6S

[The HDF Group @hdf5]

New NISAR sample data products are live, showcasing how HDF5 enables seamless, high-performance access to massive Earth science datasets--and they're cloud-optimized from the start. Need help getting your data cloud optimized? Reach out to The HDF Group.
https://t.co/BO9nE7p1r4

[The HDF Group @hdf5]

We're thrilled to announce a major award from the U.S. National Science Foundation @NSF! This #SafeOSE award will fund critical efforts to enhance the safety, security, and privacy of the open-source HDF5 ecosystem.
https://t.co/178udPY4a2

[The HDF Group @hdf5]

The HDF Group's John Readey just returned from presenting at the Second Visualizing Offline and Live Data with AI (VOLDA) Workshop - 2025!

Check out John's talk, "Data Streaming using HDF5 and HSDS" https://t.co/X7VSXGZlBu

Full VOLDA Workshop agenda: https://t.co/Q8SUVmXNac

[The HDF Group @hdf5]

HDF5 2.0.0 is here! Learn more about what's packed into this new release in the newsletter: https://t.co/gBZ3lDhMeh

[The HDF Group @hdf5]

In Tuesday's Call the Doctor, we'll talk to Steven Varga creator of IEX2H5, a high-performance C++ utility that converts IEX Transport Protocol (IEX-TP) packet captures into structured HDF5 datasets. Join us! More info: https://t.co/Dp5PHzAujK

[The HDF Group @hdf5]

We've updated this post to talk about some of the features available in the next HDF5 library release 2.0: CMake presets, new ROS3 backend, and building the library with a faster DEFLATE compression filter. https://t.co/aDN5BxiywI

[The HDF Group @hdf5]

We're excited to announce Scot Breitenfeld as our new Director of Engineering! https://t.co/u8RHge866j

[HDFEOS.org @HDFEOS]

Please come and see how you can talk to @hdf5 data in natural language:

https://t.co/KsEMACKaqL

[The HDF Group @hdf5]

We're removing Autotools --> full details in this forum post:
https://t.co/EebbIKV4F0

[The HDF Group @hdf5]

If anyone is curious to see HSDS used with really large datasets (> 1TB), checkout this repo: https://t.co/FgmSEES4Gm You'll find some python notebooks, and this repo also supports github codespaces.

[The HDF Group @hdf5]

Would adding map support to the Highly Scalable Data Service (HSDS) be helpful? Check out this design document and let us know - what features would you look for? Do you have a funding available for us to add this or a proposal that might cover this work? https://t.co/15l6v7s1zl

[The HDF Group @hdf5]

Have a few minutes? Help us test.
https://t.co/tJ9oEy4Lzn

[The HDF Group @hdf5]

Videos and slide decks for most presentations from #HUG24 have been posted: https://t.co/PooIZ9cNL2

[The HDF Group @hdf5]

Today Engineering Director Dana Robinson participated in the 2024 CASS Community BOF Days. This event continues through the 13th--it's not too late to register for sessions happening Wednesday and Thursday!
https://t.co/I0aePdc0E6

[The HDF Group @hdf5]

Announcing fixes to CVE issues - these fixes are included in the HDF5 1.14.4 release that came out in April. Details on the blog: https://t.co/MPXH7ZkYnd

[The HDF Group @hdf5]

Webinar Announcement: h5rdmtoolbox – A Python Research Data Management Toolbox for HDF5 webinar will be this Friday (May 3) at 11:00 a.m. Central time (US/Canada) Join us--registration is required: https://t.co/33yYtXvbjD

[The HDF Group @hdf5]

Do you use non-IEEE reduced-precision floating point types in your machine learning workflows? We’re thinking of adding further support for additional types, like BFLOAT16 and FP8, to HDF5 1.14.5. Respond to this survey to help us prioritize: https://t.co/URiMAzYfPu