Release notes for PyTables 3.7 series¶

Changes from 3.6.1 to 3.7.0¶

Compatibility with Python 3.10, numpy 1.21 and HDF5 1.12.
Support for Python 3.5 has been dropped (gh-840 and gh-850).
Windows: Significantly faster import tables (gh-781). Thanks to Christoph Gohlke.
Internal C-Blosc sources updated to 1.21.1 (gh-931). Note that, starting from C-Blosc 1.19 does not include the Snappy codec sources anymore, so Snappy will be not available if you compile from included sources; other packages (like conda or wheels), may (or may not) include it.
Stop using appveyor and deprecated ci-helpers (closes gh-827).
Switch to git submodule for the management of vendored c-blosc sources.
CI moved to GitHub Actions (GHA).
Drop Travis-CI.
Improved code formatting and notation consistency (gh-873, gh-868, gh-865 thanks to Miroslav Šedivý).
Improve the use of modern Python including pathlib, f-strings (gh-859, gh-855, gh-839 and gh-818 thanks to Miroslav Šedivý).
Several improvements to wheels generation in CI (thanks to Andreas Motl @amotl and Matthias @xmatthias).
Simplified management of version information.
Drop dependency on the deprecated distutils.
Modernize the setup script and add support for PEP517 (gh-907).

Fix pkg-config (setup.py) for Python 3.9 on Debian. Thanks to Marco Sulla (gh-792).
Fix ROFileNode fails to return the fileno() (gh-633).
Do not flush read only files (gh-915 thanks to @lrepiton).

Drop the deprecated hdf5Version and File.open_count.
the get_tables_version() and get_hdf5_version() functions are now deprecated please use the coresponding tables.__version__ and tables.hdf5_version instead.