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v4.4.1 release notes

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James R. Barlow
2017-01-28 22:23:35 -08:00
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RELEASE_NOTES.rst
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@@ -3,14 +3,22 @@ RELEASE NOTES
OCRmyPDF uses `semantic versioning <http://semver.org/>`_.
v4.4.1:
=======
- To prevent a `TIFF output error <https://github.com/python-pillow/Pillow/issues/2206>`_ caused by img2pdf >= 0.2.1 and Pillow <= 3.4.2, dependencies have been tightened
- The Tesseract 4.00 simultaenous process limit was increased from 1 to 2, since it was observed that 1 lowers performance
- Documentation improvements to describe the ``--tesseract-config`` feature
- Added test cases and fixed error handling for ``--tesseract-config``
- Tweaks to setup.py to deal with issues in the v4.4 release
v4.4:
=====
- Tesseract 4.00 is now supported on an experimental basis.
+ A new rendering option ``--pdf-renderer tess4`` exploits Tesseract 4's new text-only output PDF mode. See the documentation on PDF Renderers for details.
+ The ``--tesseract-oem`` argument allows control over the Tesseract 4 OCR
engine mode (tesseract's ``--oem``). Use ``--tesseract-oem 2`` to enforce the new LSTM mode.
+ The ``--tesseract-oem`` argument allows control over the Tesseract 4 OCR engine mode (tesseract's ``--oem``). Use ``--tesseract-oem 2`` to enforce the new LSTM mode.
+ Fixed poor performance with Tesseract 4.00 on Linux
- Fixed an issue that caused corruption of output to stdout in some cases