# Release notes for PyTables 3.4 series

Author: | PyTables Developers
Contact: | pytables-dev@googlegroups.com

## Changes from 3.4.1 to 3.4.2

### Improvements

> - setup.py detects conda env and uses installed conda (hdf5, bzip2, lzo and/or blosc) packages when building from source.

### Bugs fixed

> - Linux wheels now built against built-in blosc.
> - Fixed windows absolute paths in ptrepack, ptdump, ptree. gh-616. Thanks to oscar6echo.

## Changes from 3.4.0 to 3.4.1

### Bugs fixed

> - Fixed bug in ptrepack