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v4.4.2 release notes

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James R. Barlow
2017-02-06 21:56:55 -08:00
parent 0e4d312ee2
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RELEASE_NOTES.rst
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@@ -3,17 +3,29 @@ RELEASE NOTES
OCRmyPDF uses `semantic versioning <http://semver.org/>`_.
v4.4.1:
=======
v4.4.2
======
- The Docker images (ocrmypdf, ocrmypdf-polyglot, ocrmypdf-tess4) are now based on Ubuntu 16.10 instead of Debian stretch
+ This makes supporting the Tesseract 4 image easier
+ This could be a disruptive change for any Docker users who built customized these images with their own changes, and made those changes in a way that depends on Debian and not Ubuntu
- OCRmyPDF now prevents running the Tesseract 4 renderer with Tesseract 3.04, which was permitted in v4.4 and v4.4.1 but will not work
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
- The Tesseract 4.00 simultaneous 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:
=====
v4.4
====
- Tesseract 4.00 is now supported on an experimental basis.
@@ -30,33 +42,33 @@ v4.4:
+ However, OCRmyPDF's dependency "ruffus" is not re-entrant, so no Python API is available. Scripts should continue to use the command line interface.
v4.3.5:
=======
v4.3.5
======
- Update documentation to confirm Python 3.6.0 compatibility. No code changes were needed, so many earlier versions are likely supported.
v4.3.4:
=======
v4.3.4
======
- Fixed "decimal.InvalidOperation: quantize result has too many digits" for high DPI images
v4.3.3:
=======
v4.3.3
======
- Fixed PDF/A creation with Ghostscript 9.20 properly
- Fixed an exception on inline stencil masks with a missing optional parameter
v4.3.2:
=======
v4.3.2
======
- Fixed a PDF/A creation issue with Ghostscript 9.20 (note: this fix did not actually work)
v4.3.1:
=======
v4.3.1
======
- Fixed an issue where pages produced by the "hocr" renderer after a Tesseract timeout would be rotated incorrectly if the input page was rotated with a /Rotate marker
- Fixed a file handle leak in LeptonicaErrorTrap that would cause a "too many open files" error for files around hundred pages of pages long when ``--deskew`` or ``--remove-background`` or other Leptonica based image processing features were in use, depending on the system value of ``ulimit -n``
@@ -66,8 +78,8 @@ v4.3.1:
- Tesseract caching in test cases is now more cautious about false cache hits and reproducing exact output, not that any problems were observed
v4.3:
=====
v4.3
====
- New feature ``--remove-background`` to detect and erase the background of color and grayscale images
- Better documentation
@@ -77,21 +89,21 @@ v4.3:
+ This does not improve performance since temporary files are still used for buffering
+ Some output validation is disabled in this mode
v4.2.5:
=======
v4.2.5
======
- Fixed an issue (#100) with PDFs that omit the optional /BitsPerComponent parameter on images
- Removed non-free file milk.pdf
v4.2.4:
=======
v4.2.4
======
- Fixed an error (#90) caused by PDFs that use stencil masks properly
- Fixed handling of PDFs that try to draw images or stencil masks without properly setting up the graphics state (such images are now ignored for the purposes of calculating DPI)
v4.2.3:
=======
v4.2.3
======
- Fixed an issue with PDFs that store page rotation (/Rotate) in an indirect object
- Integrated a few fixes to simplify downstream packaging (Debian)
@@ -104,21 +116,21 @@ v4.2.3:
- Deprecated the OCRmyPDF.sh shell script
v4.2.2:
=======
v4.2.2
======
- Improvements to documentation
v4.2.1:
=======
v4.2.1
======
- Fixed an issue where PDF pages that contained stencil masks would report an incorrect DPI and cause Ghostscript to abort
- Implemented stdin streaming
v4.2:
=====
v4.2
====
- ocrmypdf will now try to convert single image files to PDFs if they are provided as input (#15)
@@ -150,14 +162,14 @@ v4.2:
- Ghostscript now runs in "safer" mode where possible
v4.1.4:
=======
v4.1.4
======
- Bug fix: monochrome images with an ICC profile attached were incorrectly converted to full color images if lossless reconstruction was not possible due to other settings; consequence was increased file size for these images
v4.1.3:
=======
v4.1.3
======
- More helpful error message for PDFs with version 4 security handler
- Update usage instructions for Windows/Docker users
@@ -165,50 +177,50 @@ v4.1.3:
- Add a few leptonica wrapper functions (no effect on most users)
v4.1.2:
=======
v4.1.2
======
- Replace IEC sRGB ICC profile with Debian's sRGB (from icc-profiles-free) which is more compatible with the MIT license
- More helpful error message for an error related to certain types of malformed PDFs
v4.1:
=====
v4.1
====
- ``--rotate-pages`` now only rotates pages when reasonably confidence in the orientation. This behavior can be adjusted with the new argument ``--rotate-pages-threshold``
- Fixed problems in error checking if ``unpaper`` is uninstalled or missing at run-time
- Fixed problems with "RethrownJobError" errors during error handling that suppressed the useful error messages
v4.0.7:
=======
v4.0.7
======
- Minor correction to Ghostscript output settings
v4.0.6:
=======
v4.0.6
======
- Update install instructions
- Provide a sRGB profile instead of using Ghostscript's
v4.0.5:
=======
v4.0.5
======
- Remove some verbose debug messages from v4.0.4
- Fixed temporary that wasn't being deleted
- DPI is now calculated correctly for cropped images, along with other image transformations
- Inline images are now checked during DPI calculation instead of rejecting the image
v4.0.4:
=======
v4.0.4
======
Released with verbose debug message turned on. Do not use. Skip to v4.0.5.
v4.0.3:
=======
v4.0.3
======
New features
------------
@@ -225,8 +237,8 @@ Fixes
- Docker: fix blank JPEG2000 issue by insisting on Ghostscript versions that have this fixed
v4.0.2:
=======
v4.0.2
======
Fixes
-----
@@ -237,8 +249,8 @@ Fixes
- Fixed use of chmod on Docker that broke most test cases
v4.0.1:
=======
v4.0.1
======
Fixes
-----
@@ -246,8 +258,8 @@ Fixes
- Fixed a KeyError if tesseract fails to find page orientation information
v4.0:
=====
v4.0
====
New features
------------
@@ -281,8 +293,8 @@ Changes
to correct the problem.
v3.2.1:
=======
v3.2.1
======
Changes
-------
@@ -291,8 +303,8 @@ Changes
- Tweaked the Dockerfiles
v3.2:
=====
v3.2
====
New features
------------
@@ -313,16 +325,16 @@ Changes
v3.1.1:
=======
v3.1.1
======
Changes
-------
- Fixed bug that caused incorrect page size and DPI calculations on documents with mixed page sizes
v3.1:
=====
v3.1
====
Changes
-------
@@ -339,8 +351,8 @@ Changes
Currently it always chooses the 'hocrtransform' renderer but that behavior may change.
- Set up Travis CI automatic integration testing
v3.0:
=====
v3.0
====
New features
------------
@@ -489,8 +501,8 @@ Notes and known issues
images almost never contain inline images.
v2.2-stable (2014-09-29):
=========================
v2.2-stable (2014-09-29)
========================
OCRmyPDF versions 1 and 2 were implemented as shell scripts. OCRmyPDF 3.0+ is a fork that gradually replaced all shell scripts with Python while maintaining the existing command line arguments. No one is maintaining old versions.