“What’s new” documents

These document the changes between minor (or major) versions of h5py.

• What’s new in h5py 3.7
  • New features
  • Bug fixes
  • Exposing HDF5 functions
  • Building h5py
• What’s new in h5py 3.6
  • New features
  • Deprecations
  • Building h5py
  • Development
• What’s new in h5py 3.5
  • New features
  • Exposing HDF5 functions
  • Breaking changes & deprecations
  • Bug fixes
• What’s new in h5py 3.4
  • New features
  • Bug fixes
• What’s new in h5py 3.3
  • New features
  • Deprecations
  • Bug fixes
• What’s new in h5py 3.2
  • New features
  • Breaking changes & deprecations
  • Exposing HDF5 functions
  • Bug fixes
  • 3.2.1 bug fix release
• What’s new in h5py 3.1
  • Bug fixes
  • Building h5py
  • Development
• What’s new in h5py 3.0
  • New features
  • Breaking changes & deprecations
  • Exposing HDF5 functions
  • Bug fixes
  • Building h5py
  • Development
• What’s new in h5py 2.10
  • New features
  • Deprecations
  • Exposing HDF5 functions
  • Bugfixes
  • Building h5py
  • Development
• What’s new in h5py 2.9
  • New features
  • Exposing HDF5 functions
  • Bugfixes
  • Support for old Python
• What’s new in h5py 2.8
  • API changes
  • Features
  • Bug fixes
  • Wheels HDF5 Version
  • CI/Testing improvements and fixes
  • Other changes
  • Acknowledgements and Thanks
• What’s new in h5py 2.7.1
  • Bug fixes
    • Fix h5py segfaulting on some Python 3 versions
    • Avoid unaligned memory access in conversion functions
• What’s new in h5py 2.7
  • Python 3.2 is no longer supported
  • Improved testing support
  • Improved python compatibility
  • Documentation improvements
  • setup.py improvements
  • Support for additional HDF5 features added
  • Improvements to type system
  • Other changes
  • Acknowledgements
• What’s new in h5py 2.6
  • Support for HDF5 Virtual Dataset API
  • Add MPI Collective I/O Support
  • Numerous build/testing/CI improvements
  • Cleanup of codebase based on pylint
  • Fixes to low-level API
  • Documentation improvements
  • Other changes
  • Acknowledgements
• What’s new in h5py 2.5
  • Experimental support for Single Writer Multiple Reader (SWMR)
  • Other changes
  • Acknowledgements
• What’s new in h5py 2.4
  • Build system changes
  • Files will now auto-close
  • Thread safety improvements
  • External link improvements
  • Thanks to
• What’s new in h5py 2.3
  • Support for arbitrary vlen data
  • Improved exception messages
  • Improved setuptools support
  • Multiple low-level additions
  • Improved support for MPI features
  • Readonly files can now be opened in default mode
  • Single-step build for HDF5 on Windows
  • Thanks to
• What’s new in h5py 2.2
  • Support for Parallel HDF5
  • Support for Python 3.3
  • Mini float support (issue #141)
  • HDF5 scale/offset filter
  • Field indexing is now allowed when writing to a dataset (issue #42)
  • Region references preserve shape (issue #295)
  • Committed types can be linked to datasets and attributes
  • move method on Group objects
• What’s new in h5py 2.1
  • Dimension scales
  • Unicode strings allowed in attributes
  • Dataset size property
  • Dataset.value property is now deprecated.
  • Bug fixes
• What’s new in h5py 2.0
  • Enhancements unlikely to affect compatibility
  • Changes which may break existing code
    • Supported HDF5/Python versions
    • Group, Dataset and Datatype constructors have changed
    • Unicode is now used for object names
    • File objects must be manually closed
    • Changes to scalar slicing code
    • Array scalars now always returned when indexing a dataset
    • Reading object-like data strips special type information
    • The selections module has been removed
    • The H5Error exception class has been removed (along with h5py.h5e)
    • File .mode property is now either ‘r’ or ‘r+
    • Long-deprecated dict methods have been removed
  • Known issues