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**Features and Improvements**
- Switched to ``tqdm`` for progress bar (``clint`` is no longer maintained).
- Added ``Item.identifier_available()`` method for calling check_identifier.php.
- Added support for opening details page in default browser after upload.
- Added support for using ``item`` or ``identifier`` as column header in spreadsheet mode.
- Added ``ArchiveSession.get_my_catalog()`` method for retrieving running/queued tasks.
- Removed backports.csv requirement for newer Python releases.
- Authorization header is now used for metadata reads, to support privileged access to /metadata.
- ``ia download`` no longer downloads history dir by default.
- Added ``ignore_history_dir`` to ``Item.download()``. The default is False.
**Bugfixes**
- Fixed bug in ``ia copy`` and ``ia move`` where filenames weren't being encoded/quoted correctly.
- Fixed bug in ``Item.get_all_item_tasks()`` where all calls would fail unless a dict was provided to ``params``.
- Read from ~/.config/ia.ini with fallback to ~/.ia regardless of the existence of ~/.config
- Fixed S3 overload message always mentioning the total maximum number of retries, not the remaining ones.
- Fixed bug where a KeyError exception would be raised on most calls to dark items.
- Fixed bug where md5 was being calculated for every upload.