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| HDF5 Last Updated on 2026-07-28 The HDF5 Field Guide

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RFCs

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RFC ID | Title
--- | ---
2025-11-15 | Securing HDF5 Plugins with Digital Signatures (Open access at dl.acm.org/doi/full/10.1145/3731599.3767557)
2024-04-22 | Write-Ahead Log
2022-08-19 | Terminal VOL Connector Feature Flags
2021-05-28 | Multi-Thread HDF5
2021-02-19 | Selection I/O
2020-02-13 | VFD Sub-filing
2020-02-10 | Onion VFD
2019-09-23 | Virtual Object Layer (VOL) API Compatibility
2019-07-15 | Variable-Length Data in HDF5 Sketch Design
2019-04-10 | A Plugin Interface for HDF5 Virtual File Drivers
2018-12-31 | Dataset Object Header Size
2018-12-20 | MS 3.2 – Addressing Scalability: Scalability of open, close, flush CASE STUDY: CGNS Hotspot analysis of CGNS cgp_open
2018-08-30 | Sparse Chunks
2018-08-29 | H5FD_MIRROR Virtual File Driver
2018-08-15 | Splitter_VFD
2018-07-12 | Update to HDF5 References
2018-06-20 | Chunk query functionality in HDF5
2018-06-10 | VFD SWMR
2018-03-21 | API Contexts
2018-01-25 | Enhancement to the tool h5clear
2017-07-07 | H5Sencode/H5Sdecode Format Change
2016-01-05 | Setting Bounds for Object Creation in HDF5 1.10.0
2015-09-15 | File Format Changes in HDF5 1.10.0
2015-07-09 | Page Buffering
2015-06-15 | Metadata Cache Image
2015-04-29 | New Datatypes
2015-04-24 | Collective Metadata Writes
2015-04-23 | Enabling Collective Metadata Reads
2015-03-01 | The Tool to Handle HDF5 File Format Compatibility for Chunked Datasets
2015-02-12 | H5LTget_hardlinks – High-level API to list all the hard links to an object
2015-02-05 | HDF5 Fortran Wrappers Maintenance: Dropping Support for Non-Fortran 2003 Standard Compliant Compilers
2015-02-02 | New Autotools Behavior
2014-12-10 | HDF5 Virtual Dataset
2014-12-01 | Allocate/Free Mismatches in HDF5 Filter Code on Windows
2014-09-16 | Virtual Object Layer
2014-08-27 | Chunking and Compression Performance Tool Requirements
2014-07-29 | Replacing H5Fis_hdf5() with H5Fis_accessible()
2014-07-22 | Switching to a 64-bit hid_t Space in HDF5
2014-07-17 | Data Analysis Extensions
2014-07-07 | Virtual Object Layer
2014-05-24 | HDF5 Compression Demystified
2014-03-18 | Freeing Memory Allocated by the HDF5 Library
2014-03-13 | Options to handle compatibility issues for HDF5 files
2014-02-24 | Design: Metadata Cache Logging
2013-12-11 | Fine-Grained Control of Metadata Cache Flushes
2013-09-30 | Read Attempts for Metadata with Checksum
2013-09-19 | Core VFD Backing Store Paged Writes
2013-06-30 | Flush Dependency Testing
2013-03-16 | HDF5 Dynamically Loaded Filters
2012-11-14 | Direct Chunk Write
2012-10-24 | HDF5 File Space Management
2012-08-28 | New HDF5 API Routines for HPC Applications - Read/Write Multiple Datasets in an HDF5 file
2012-05-23 | HDF5 File Space Management: Paged Aggregation
2012-03-05 | Enabling a Strict Consistency Semantics Model in Parallel HDF5
2012-02-20 | h5repack: Improved Hyperslab selections for Large Chunked Datasets
2012-01-20 | A Maintainer's Guide for the Datatype Module in HDF5 Library
2012-01-04 | Actual I/O Mode
2011-11-19 | New public functions to handle comparison
2011-08-25 | Merging Named Datatypes in H5Ocopy()
2011-08-11 | Expanding the HDF5 Hyperslab Selection Interface
2011-07-26 | HDF5 File Space Allocation and Aggregation
2011-06-14 | Refactor h5dump to Improve Maintenance
2011-03-29 | Support External Link Open File Cache in HDF5 Tools
2011-01-18 | h5diff Attribute Comparisons
2010-11-22 | SWMR Timeouts
2010-11-19 | FUSE Performance Report
2010-11-04 | Caching Files Opened Through External Links
2010-10-18 | HDF5 File and Object Comparison Specification
2010-09-02 | h5edit – An HDF5 File Editing Tool
2010-07-27 | Reserved Characters for HDF5 Applications
2010-07-26 | High-Level HDF5 API routines for HPC Applications
2010-05-11 | h5diff – Exclude Object(s) from Comparison
2010-04-22 | Generating attributes into an object with a tool
2010-03-12 | Supporting HDF5 1.8 in HDF5 Command Line Tools
2009-12-18 | Supporting soft-link and external-link for h5diff
2009-09-07 | HDF5 Tools Library Functions
2009-06-12 | Default EPSILON values for comparing floating point data
2008-12-18 | Reporting of Non-Comparable Datasets by h5diff
2008-12-05 | External Link Traversal Callback
2008-10-30 | Setting Raw Data Chunk Cache Parameters in HDF5
2008-09-15 | Performance Report for Free-space Manager
2008-09-04 | Setting File Access Property List for accessing External Link
2008-07-28 | Native Time Types in HDF5
2008-07-23 | Special Values in HDF5
2008-03-01 | Dynamic Transformations to HDF5 Data
2008-02-09 | Using SVN branching to improve software development process at THG
2008-02-06 | Maintaining the HISTORY.txt and RELEASE.txt files in HDF5
2007-11-11 | Addressing HDF5 file corruption issue
2007-10-18 | NaN detection in HDF5
2007-08-01 | Metadata Journaling to Improve Crash Survivability
2007-04-13 | API Compatibility Strategies for HDF5
2007-01-15 | A "Private" Heap for HDF5
2006-06-23 | Performance Comparison of Collective I/O and Independent I/O with Derived Datatypes
2006-06-04 | h5stat tool
2006-05-05 | Simple Performance Test on Fletcher32 Filter
2006-04-10 | Requirement Specifications of an HDF5 File Format Validation Tool
2006-03-17 | Proposed changes to the sec2 driver
2006-01-24 | Mapping FITS data to HDF5
2004-08-11 | Conversion Between Text and Datatype

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